Newell R Kitchen

Soil Scientist

 

Dr. Kitchen's research interests include development of alternative crop production systems that improve surface and ground water quality, including development of precision agriculture strategies for increased nutrient-use efficiency.

 

 

 

 

• Publications

  • (Clicking on the reprint icon will take you to the publication reprint.)
  • Corn emergence date estimated from UAV-based imagery-(Peer Reviewed Journal)
    
    
  • Improving publicly available corn nitrogen rate recommendation tools with soil and weather measurements-(Peer Reviewed Journal)
    
    
  • A new approach for balancing the economic and environmental outcomes for crop nitrogen fertilization-(Abstract Only)
    Kitchen, N.R., Ransom, C.J., Schepers, J.S., Holland, K.H. 2020. A new approach for balancing the economic and environmental outcomes for crop nitrogen fertilization [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts, Nov 9-13, 2020, virtual meeting. Available: https://scisoc.confex.com/scisoc/2020am/meetingapp.cgi/Paper/125052
    
  • Cropping system impacts on soil health metrics across Central Missouri soils-(Abstract Only)
    
    
  • Developing an innovative in-season and site-specific nitrogen recommendation strategy with machine learning for US Midwest corn production-(Abstract Only)
    
    
  • Soil-nitrogen, potentially mineralizable-nitrogen, and field condition information marginally improves corn nitrogen management -(Peer Reviewed Journal)
    Clark, J.D., Fernandez, F.G., Veum, K.S., Camberato, J.J., Carter, P., Ferguson, R.B., Franzen, D.W., Kaiser, D.E., Kitchen, N.R., Laboski, C.A., Nafziger, E.D., Rosen, C.J., Sawyer, J.E., Shanahan, J.F. 2020. Soil-nitrogen, potentially mineralizable-nitrogen, and field condition information marginally improves corn nitrogen management. Agronomy Journal. 112(5):4332–4343. https://doi.org/10.1002/agj2.20335.
    
  • Role of inherent soil characteristics in assessing soil health across Missouri -(Peer Reviewed Journal)
    Zuber, S.M., Veum, K.S., Myers, R., Kitchen, N.R., Anderson, S. 2020. Role of inherent soil characteristics in assessing soil health across Missouri. Agricultural and Environmental Letters. 5:e20021. https://doi.org/10.1002/ael2.20021.
    
  • Estimating corn emergence date using UAV-based imagery -(Proceedings)
    Vong, C., Stewart, S.A., Zhou, J., Kitchen, N.R., Sudduth, K.A. 2020. Estimating corn emergence date using UAV-based imagery. In: Proceedings of the 2020 American Society of Agricultural and Biological Engineers (ASABE) International Annual International Virtual Meeting. https://doi.org/10.13031/aim.202000473.
    
  • Relating four-day soil respiration to corn nitrogen fertilizer needs across 49 U.S. Midwest fields -(Peer Reviewed Journal)
    Bean, G.M., Kitchen, N.R., Veum, K.S., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Sawyer, J.E., Yost, M.A. 2020. Relating four-day soil respiration to corn nitrogen fertilizer needs across 49 U.S. Midwest fields. Soil Science Society of America Journal. 84(4):1195-1208. https://doi.org/10.1002/saj2.20091.
    
  • Which corn nitrogen recommendation tools best help farmers achieve corn economically-optimal nitrogen rate?-()
    
    
  • Adjusting corn nitrogen management by including a mineralizable-nitrogen test with the preplant and presidedress nitrate tests -(Peer Reviewed Journal)
    Clark, J.D., Fernandez, F.G., Veum, K.S., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kaiser, D.E., Kitchen, N.R., Laboski, C.A., Nafziger, E.D., Rosen, C.J., Sawyer, J.E., Shanahan, J.F. 2020. Adjusting corn nitrogen management by including a mineralizable-nitrogen test with the preplant and presidedress nitrate tests. Agronomy Journal. 112(4):3050-3064. https://doi.org/10.1002/agj2.20228.
    
  • USDA ARS Cropping Systems and Water Quality Research Unit Video Series: Overview-()
    Kitchen, N.R., Crookston, K., Bean, K. 2020. USDA ARS Cropping Systems and Water Quality Research Unit Video Series: Overview [video]. Available: https://youtu.be/YHWTw8gi3XE
    
  • USDA ARS Cropping Systems and Water Quality Research Unit Video Series: Why do we need the Cropping Systems and Water Quality Research Unit?-()
    Kitchen, N.R., Crookston, K., Bean, K. 2020. USDA ARS Cropping Systems and Water Quality Research Unit Video Series: Why do we need the Cropping Systems and Water Quality Research Unit? [video]. Available: https://youtu.be/d8oQ9i3AMxE
    
  • Soil sample timing, nitrogen fertilization, and incubation length influence anaerobic potentially mineralizable nitrogen -(Peer Reviewed Journal)
    Clark, J.D., Veum, K.S., Fernandez, F.G., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kaiser, D.E., Laboski, C.A., Nafziger, E.D., Rosen, C.J., Sawyer, J.E., Shanahan, J.F. 2020. Soil sample timing, nitrogen fertilization, and incubation length influence anaerobic potentially mineralizable nitrogen. Soil Science Society of America Journal. 84(2):627-637. https://doi.org/10.1002/saj2.20050.
    
  • Health, vigour and disease detection in row and grain crops-()
    
    
  • Estimation of maize yield and effects of variable-rate nitrogen application using UAV-based RGB imagery -(Peer Reviewed Journal)
    Zhang, M., Zhou, J., Sudduth, K.A., Kitchen, N.R. 2019. Estimation of maize yield and effects of variable-rate nitrogen application using UAV-based RGB imagery. Biosystems Engineering. 189:24-35. https://doi.org/10.1016/j.biosystemseng.2019.11.001.
    
  • Soil health after 25 years of conservation management-(Abstract Only)
    Veum, K.S., Kitchen, N.R., Sudduth, K.A. 2019. Soil health after 25 years of conservation management [abstract]. ASA-CSSA-SSA Annual International Conference, November 10-13, 2019, San Antonio, Texas. No. 1514.
    
  • Do soil health metrics influence soil-test fertilizer recommendations: project outline and preliminary results-(Abstract Only)
    Svedin, J.D., Veum, K.S., Kitchen, N.R. 2019. Do soil health metrics influence soil-test fertilizer recommendations: project outline and preliminary results [abstract]. ASA-CSSA-SSSA Annual Meeting, November 10-13, 2019, San Antonio Texas. No. 1459.
    
  • On-farm soil health indicators across Missouri-(Abstract Only)
    Zuber, S.M., Veum, K.S., Kitchen, N.R., Myers, R.L., Anderson, S.H. 2019. On-farm soil health indicators across Missouri [abstract]. ASA-CSSA-SSA Annual International Conference, November 10-13, 2019, San Antonio, Texas. No. 1510.
    
  • Blindfolded and throwing darts at the wall: Will crop nitrogen fertilizer rate recommendations ever get better?-(Abstract Only)
    Kitchen, N.R., Ransom, C. 2019. Blindfolded and throwing darts at the wall: Will crop nitrogen fertilizer rate recommendations ever get better? [abstract]. ASA-CSSA-SSSA Annual International Conference, November 10-13, 2019, San Antonio, Texas. Available: https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/120995
    
  • Integrating remote sensing and crop growth models for an improved regional corn nitrogen recommendation-(Abstract Only)
    Ransom, C., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Sawyer, J.E. 2019. Integrating remote sensing and crop growth models for an improved regional corn nitrogen recommendation [abstract]. ASA-CSSA-SSSA Annual International Conference, November 10-13, 2019, San Antonio, Texas. Available: https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/118781
    
  • Optimizing corn seeding depth by soil texture and landscape position to improve emergence uniformity-(Abstract Only)
    Stewart, S., Kitchen, N.R., Conway, L. 2019. Optimizing corn seeding depth by soil texture and landscape position to improve emergence uniformity [abstract]. ASA-CSSA-SSSA Annual International Conference, November 10-13, 2019, San Antonio, Texas. Available: https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/117976
    
  • Pushing the Boundaries with Planting Sensors-(Abstract Only)
    Conway, L., Ransom, C., Kitchen, N.R., Sudduth, K.A., Myers, D.B., Lindsey, A.J., Carter, P.R. 2019. Pushing the Boundaries with Planting Sensors [abstract]. ASA-CSSA-SSSA Annual International Conference, November 10-13, 2019, San Antonio, Texas. Available: https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/122521
    
  • When to single or split apply nitrogen fertilizer to corn-(Abstract Only)
    Clark, J., Fernandez, F.G., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kitchen, N.R., Laboski, C.A., Nafziger, E.D., Sawyer, J.E. 2019. When to single or split apply nitrogen fertilizer to corn [abstract]. ASA-CSSA-SSSA Annual International Conference, November 10-13, 2019, San Antonio, Texas. Available: https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/118478
    
  • Is NUE a useful sustainability metric?-(Abstract Only)
    Laboski, C.A., Bandura, C., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Kitchen, N.R., Nafziger, E.D., Sawyer, J.E. 2019. Is NUE a useful sustainability metric? [abstract]. ASA-CSSA-SSSA Annual International Conference, November 10-13, 2019, San Antonio, Texas. Available: https://scisoc.confex.com/scisoc/2019am/meetingapp.cgi/Paper/121854
    
  • Soil health after 25 years of conservation management on claypan soils-(Abstract Only)
    Veum, K.S., Sudduth, K.A., Kitchen, N.R. 2019. Soil health after 25 years of conservation management on claypan soils [abstract]. Soil Health Annual Meeting, July 16-18, 2019, Sacramento, California. No. 18.
    
  • Statistical and machine learning methods evaluated for incorporating soil and weather into corn nitrogen recommendations -(Peer Reviewed Journal)
    Ransom, C.J., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, A.M., Myers, D.B., Nafziger, E.D., Sawyer, J.E., Shanahan, J.F. 2019. Statistical and machine learning methods evaluated for incorporating soil and weather into corn nitrogen recommendations. Computers and Electronics in Agriculture. 164:104872. https://doi.org/10.1016/j.compag.2019.104872.
    
  • Predicting economic optimal nitrogen rate with the anaerobic potentially mineralizable nitrogen test -(Peer Reviewed Journal)
    Clark, J.D., Fernandez, F.G., Veum, K.S., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kaiser, D.E., Kitchen, N.R., Loboski, C.A., Nafziger, E.D., Rosen, C.J., Sawyer, J.E., Shanahan, J.F. 2019. Predicting economic optimal nitrogen rate with the anaerobic potentially mineralizable nitrogen test. Agronomy Journal. 111(6):3329-3338. https://doi.org/10.2134/agronj2019.03.0224.
    
  • Planting depth and soil series effect on in-furrow soil sensor performance-(Proceedings)
    Conway, L.S., Kitchen, N.R., Sudduth, K.A., Myers, D.B., Lindsey, A.J., Carter, P.R. 2019. Planting depth and soil series effect on in-furrow soil sensor performance. In: Proceedings 5th Global Workshop on Proximal Soil Sensing, May 28-31, 2019, Columbia, Missouri. p. 47-57.
    
  • Multiple-depth electrical conductivity estimates of discrete-layer soil texture-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Veum, K.S., Vories, E.D., Drummond, S.T. 2019. Multiple-depth electrical conductivity estimates of discrete-layer soil texture. In: Proc. 5th Global Workshop on Proximal Soil Sensing, May 28-31, 2019, Columbia, Missouri. p. 153-158.
    
  • What came first, the decision or the sensor?-(Abstract Only)
    Kitchen, N.R. 2019. What came first, the decision or the sensor?. In: Proceedings of the 5th Global Workshop on Proximal Soil Sensing, May 28-31, 2019, Columbia, Missouri. p.7.
    
  • Corn nitrogen rate recommendation tools’ performance across eight US midwest corn belt states -(Peer Reviewed Journal)
    Ransom, C.J., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C., Nafziger, E.D., Sawyer, J.E., Scharf, P.C., Shanahan, J.F. 2020. Corn nitrogen rate recommendation tools’ performance across eight US midwest corn belt states. Agronomy Journal. 112(1):470-492. https://doi.org/10.1002/agj2.20035.
    
  • United States Midwest soil and weather conditions influence anaerobic potentially mineralizable nitrogen -(Peer Reviewed Journal)
    Clark, J.D., Veum, K.S., Fernandez, F.G., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kaiser, D.E., Kitchen, N.R., Loboski, C.A., Nafziger, E.D., Rosen, C.J., Sawyer, J.E., Shanahan, J.F. 2019. United States Midwest soil and weather conditions influence anaerobic potentially mineralizable nitrogen. Soil Science Society of America Journal. 83(4):1137-1147. https://doi.org/10.2136/sssaj2019.02.0047.
    
  • A long-term precision agriculture system sustains grain profitability -(Peer Reviewed Journal)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Massey, R.E., Sadler, E.J., Drummond, S.T., Volkmann, M.R. 2019. A long-term precision agriculture system sustains grain profitability. Precision Agriculture. 20:1177-1198. https://doi.org/10.1007/s11119-019-09649-7.
    
  • Effects of a precision agriculture system on soil and water quality in the Central Mississippi River Basin-(Abstract Only)
    
    
  • Effects of combined conservation practices on soil and water quality in the Central Mississippi River Basin -(Peer Reviewed Journal)
    Baffaut, C., Ghidey, F., Lerch, R.N., Veum, K.S., Sadler, E.J., Sudduth, K.A., Kitchen, N.R. 2020. Effects of combined conservation practices on soil and water quality in the Central Mississippi River Basin. Journal of Soil and Water Conservation. 75(3):340-351. https://doi.org/10.2489/jswc.75.3.340.
    
  • Cropping system, landscape position, and topsoil depth affect soil fertility and nutrient buffering -(Peer Reviewed Journal)
    Conway, L.S., Yost, M.A., Kitchen, N.R., Sudduth, K.A., Veum, K.S. 2018. Cropping system, landscape position, and topsoil depth affect soil fertility and nutrient buffering. Soil Science Society of America Journal. 82(2):382-391. doi:10.2136/sssaj2017.08.0288.
    
  • Using USDA-NRCS soil hydrologic groups to enhance corn nitrogen fertilizer recommendations-(Abstract Only)
    Bean, G.M., Kitchen, N.R., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.M., Nafziger, E.D., Sawyer, J.E., Shanahan, J., Veum, K.S. 2018. Using USDA-NRCS soil hydrologic groups to enhance corn nitrogen fertilizer recommendations [abstract]. ASA-CSSA Meeting, November 4-7, 2018, Baltimore, Maryland. Paper 112268.
    
  • Sensor data fusion for precision soil health-(Abstract Only)
    Veum, K.S., Sudduth, K.A., Kitchen, N.R. 2018. Sensor data fusion for precision soil health [abstract]. ASA-CSSA Meeting, November 4-7, 2018, Baltimore, Maryland. Paper 112723.
    
  • Estimating nitrogen fertilizer rate using mineralizable- and soil nitrate-nitrogen-(Abstract Only)
    Clark, J., Fernandez, F.G., Veum, K.S., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kitchen, N.R., Laboski, C.M., Nafziger, E.D., Sawyer, J.E., Shanahan, J. 2018. Estimating nitrogen fertilizer rate using mineralizable- and soil nitrate-nitrogen [abstract]. ASA-CSSA Meeting, November 4-7, 2018, Baltimore, Maryland. Paper 111701.
    
  • Can an estimate of mineralizable nitrogen improve nitrogen sufficiency indexes?-(Abstract Only)
    Clark, J., Fernandez, F.G., Veum, K.S., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kitchen, N.R., Laboski, C.M., Nafziger, E.D., Sawyer, J.E., Shanahan, J. 2018. Can an estimate of mineralizable nitrogen improve nitrogen sufficiency indexes? [abstract]. ASA-CSSA Meeting, November 4-7, 2018, Baltimore, Maryland. Paper 111702.
    
  • Long-term simulated runoff and water quality from grain cropping systems on restrictive layer soils-(Peer Reviewed Journal)
    Baffaut, C., Ghidey, F., Lerch, R.N., Kitchen, N.R., Sudduth, K.A., Sadler, E.J. 2019. Long-term simulated runoff and water quality from grain cropping systems on restrictive layer soils. Agricultural Water Management. 213:36-48.
    
  • Corn nitrogen fertilizer recommendations: always a toolbox, or can we get to a tool?-(Abstract Only)
    Kitchen, N.R., Ransom, C.J., Bean, G.M., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.M., Nafziger, E.D., Sawyer, J.E. 2019. Corn nitrogen fertilizer recommendations: always a toolbox, or can we get to a tool? [abstract]. Soil Science Society of America Annual Meeting, January 6-9, 2019, San Diego, California. Available: https://scisoc.confex.com/scisoc/2019sssa/meetingapp.cgi/Paper/116115
    
  • Application of machine learning methodologies for predicting corn economic optimal nitrogen rate -(Peer Reviewed Journal)
    Qin, Z., Myers, D.B., Ransom, C.J., Kitchen, N.R., Liang, S., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C., Malone, B., Nafziger, E.D., Sawyer, J.E., Shanahan, J.F. 2018. Application of machine learning methodologies for predicting corn economic optimal nitrogen rate. Agronomy Journal. 110(6):2596-2607. https://doi.org/10.2134/agronj2018.03.0222.
    
  • Active-optical reflectance sensing corn algorithms evaluated over the United States Midwest corn belt -(Peer Reviewed Journal)
    Bean, G.M., Kitchen, N.R., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C., Nafziger, E.J., Sawyer, J.E., Scharf, P.C., Schepers, J.S., Shanahan, J.F. 2018. Active-optical reflectance sensing corn algorithms evaluated over the United States Midwest corn belt. Agronomy Journal. 110(6):2552-2565. https://doi.org/10.2134/agronj2018.03.0217.
    
  • Do tillage, cover crops, and compost management within organic grain cropping affect greenhouse gas emissions? -(Peer Reviewed Journal)
    Boardman, D.L., Clark, K.M., Kitchen, N.R., Easterby, S.O., Staples, J.S., Reinbott, T.M., Kremer, R.J. 2018. Do tillage, cover crops, and compost management within organic grain cropping affect greenhouse gas emissions? Agronomy Journal. 110:1893-1904. https://doi.org/10.2134/agronj2018.01.0023.
    
  • Utilizing weather, soil, and plant condition for predicting corn yield and nitrogen fertilizer response-(Proceedings)
    Kitchen, N.R., Yost, M.A., Ransom, C.J., Bean, G.M., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Sawyer, J.E. 2018. Utilizing weather, soil, and plant condition for predicting corn yield and nitrogen fertilizer response. 14th International Conference on Precision Agriculture, June 24-27, 2018, Montreal, Quebec, Canada. Paper No.5109.
    
  • Corn nitrogen fertilizer recommendation models based on soil hydrologic groups aid in predicting economically optimal nitrogen rates-(Proceedings)
    Bean, G.M., Kitchen, N.R., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Sawyer, J.E., Scharf, P.C. 2018. Corn nitrogen fertilizer recommendation models based on soil hydrologic groups aid in predicting economically optimal nitrogen rates. 14th International Conference on Precision Agriculture, June 24-27, 2018, Montreal, Quebec, Canada. Paper No.4962.
    
  • Optimizing corn seeding depth by soil texture to achieve uniform stand -(Proceedings)
    Stewart, S.A., Kitchen, N.R., Yost, M.A., Conway, L.S. 2018. Optimizing corn seeding depth by soil texture to achieve uniform stand . 14th International Conference on Precision Agriculture, June 24-27, 2018, Montreal, Quebec, Canada. Paper No. 5146.
    
  • Improving corn nitrogen rate recommendations through tool fusion-(Proceedings)
    Ransom, C.J., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, F.G., Fernandez, F.G., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Sawyer, J.E., Shanahan, J.F. 2018. Improving corn nitrogen rate recommendations through tool fusion. 14th International Conference on Precision Agriculture, June 24-27, 2018, Montreal, Quebec, Canada. Paper No. Paper No. 5106.
    
  • Compensating for soil moisture effects in estimation of soil properties by electrical conductivity sensing-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Vories, E.D., Drummond, S.T. 2018. Compensating for soil moisture effects in estimation of soil properties by electrical conductivity sensing. International Conference on Precision Agriculture, June 24-27, 2018, Montreal, Canada. Paper No. 5099. Available: https://www.ispag.org/proceedings/?action=abstract&id=5099.
    
  • A long-term precision agriculture system maintains profitability-(Proceedings)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Drummond, S.T., Massey, R.E. 2018. A long-term precision agriculture system maintains profitability. International Conference on Precision Agriculture, June 24-27, 2018, Montreal, Canada. Paper No. 4780.
    
  • Public–private collaboration toward research, education and innovation opportunities in precision agriculture -(Peer Reviewed Journal)
    Yost, M.A., Sudduth, K.A., Walthall, C.L., Kitchen, N.R. 2019. Public–private collaboration toward research, education and innovation opportunities in precision agriculture. Precision Agriculture. 20:4-18. https://doi.org/10.1007/s11119-018-9583-4.
    
  • Improving an active-optical reflectance sensor algorithm using soil and weather information -(Peer Reviewed Journal)
    Bean, G.M., Kitchen, N.R., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C., Nafziger, E.D., Sawyer, J.E., Scharf, P.C., Schepers, J.S., Shanahan, J.F. 2018. Improving an active-optical reflectance sensor algorithm using soil and weather information. Agronomy Journal. 110(6):2541-2551. https://doi.org/10.2134/agronj2017.12.0733.
    
  • Miscanthus × giganteus growth and nutrient export on 22 producer fields -(Peer Reviewed Journal)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Allphin, E. 2018. Miscanthus × giganteus growth and nutrient export on 22 producer fields. BioEnergy Research. 11(2):426-439. doi:10.1007/s12155-018-9907-2.
    
  • Evaluation of the Haney Soil Health Nutrient Tool for corn nitrogen recommendations across eight Midwest states -(Peer Reviewed Journal)
    Yost, M.A., Veum, K.S., Kitchen, N.R., Sawyer, J.E., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.A., Nafziger, E.D. 2018. Evaluation of the Haney Soil Health Nutrient Tool for corn nitrogen recommendations across eight Midwest states. Journal of Soil and Water Conservation. 73(5):579-592. https://doi.org/10.2489/jswc.73.5.587.
    
  • Biomass yield of warm-season grasses affected by nitrogen and harvest management -(Peer Reviewed Journal)
    Weerasekara, C.S., Kitchen, N.R., Jose, S., Motavalli, P.P., Bardhan, S., Mitchell, R. 2018. Biomass yield of warm-season grasses affected by nitrogen and harvest management. Agronomy Journal. 110(3):890-899. doi:10.2134/agronj2017.04.0196.
    
  • Estimating layered soil properties through inversion of apparent electrical conductivity data-()
    Sudduth, K.A., Kitchen, N.R., Drummond, S.T. 2018. Estimating layered soil properties through inversion of apparent electrical conductivity data. Fast Times: News for the Near Surface Geophysical Sciences. 22(3):29-33.
    
  • Precision agriculture basics -()
    Shannon, D.K., Clay, D.A., Kitchen, N.R. editors. 2018. Precision Agriculture Basics. Madison, WI: ASA, CSSA, and SSSA. doi:10.2134/precisionagbasics.2018.summary. 265 p.
    
  • Active-optical reflectance sensing evaluated for red and red-edge waveband sensitivity-(Proceedings)
    Bean, G.M., Kitchen, N.R., Camberato, J.J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C., Nafziger, E.D., Ransom, C.J., Sawyer, J.E., Scharf, P.C., Schepers, J.S., Shanahan, J.F. 2017. North Central Extension Industry Soil Fertility Conference, November 15-16, 2017, Des Moines, Iowa. p. 121-132.
    
  • Why the different responses between single and split nitrogen applications?-(Abstract Only)
    Clark, J., Fernandez, F.G., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kitchen, N.R., Laboski, C.A., Nafziger, E.D., Sawyer, J.E., Shanahan, J. 2017. Why the different responses between single and split nitrogen applications?. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2018, Tampa, Florida. Paper #106651.
    
  • Field variability and vulnerability index to identify regional precision agriculture opportunity -(Peer Reviewed Journal)
    Bobryk, C.W., Yost, M.A., Kitchen, N.R. 2018. Field variability and vulnerability index to identify regional precision agriculture opportunity. Precision Agriculture. 19:589-605. doi:10.1007/s11119-017-9541-6.
    
  • Dr. Kenneth Sudduth: A giant pioneering precision agriculture-(Abstract Only)
    Kitchen, N.R., Veum, K.S., Sadler, E.J. 2017. Dr. Kenneth Sudduth: A giant pioneering precision agriculture [abstract]. ASA-CSSA-SSSA Annual Meeting October 22-25, 2017, Tampa, Florida. Session 374-7.
    
  • Overcoming gaps and bottlenecks to advance precision agriculture-(Abstract Only)
    Kitchen, N.R., Yost, M.A., Walthall, C.L., Sudduth, K.A. 2017. Overcoming gaps and bottlenecks to advance precision agriculture [abstract]. ASA-CSSA-SSSA Annual Meeting October 22-25, 2017, Tampa, Florida. Sesson 223-2.
    
  • Projected outcomes of a public-industry partnership for enhancing corn nitrogen research and datasets-(Abstract Only)
    Kitchen, N.R. 2017. Projected outcomes of a public-industry partnership for enhancing corn nitrogen research and datasets [abstract]. ASA-CSSA-SSSA Annual Meeting October 22-25, 2017, Tampa, Florida. Session 60-9.
    
  • Miscanthus productivity and nutrient export on 22 producer fields-(Abstract Only)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A. 2017. Miscanthus productivity and nutrient export on 22 producer fields [abstract]. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017, Tampa, Florida. Available: https://scisoc.confex.com/crops/2017am/recordingredirect.cgi/id/30103
    
  • Improving the performance of active-optical reflectance sensor algorithms using soil and weather information-(Abstract Only)
    Bean, G.M., Kitchen, N.R. 2017. Improving the performance of active-optical reflectance sensor algorithms using soil and weather information [abstract]. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017, Tampa, Florida. Available: https://scisoc.confex.com/crops/2017am/recordingredirect.cgi/id/29880.
    
  • Derivation of a regional active-optical reflectance sensor corn algorithm-(Abstract Only)
    Bean, G.M., Kitchen, N.R. 2017. Derivation of a regional active-optical reflectance sensor corn algorithm [abstract]. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017, Tampa, Florida. Poster number 1248.
    
  • Overview of a public-industry partnership for enhancing corn nitrogen research and datasets-(Abstract Only)
    Shanahan, J., Kitchen, N.R., Ransom, C., Bandura, C., Bean, G.M., Camberato, J.J., Carter, P.R., Clark, J., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Sawyer, J.E., Shafer, M. 2017. Overview of a public-industry partnership for enhancing corn nitrogen research and datasets [abstract]. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017, Tampa, Florida.. Available: https://scisoc.confex.com/crops/2017am/recordingredirect.cgi/id/29877.
    
  • Fusing corn nitrogen recommendation tools for an improved canopy reflectance sensor performance-(Abstract Only)
    Ransom, C., Kitchen, N.R., Bean, G.M., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.A., Nafziger, E.D., Sawyer, J.E., Shanahan, J. 2017. Fusing corn nitrogen recommendation tools for an improved canopy reflectance sensor performance [abstract]. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017, Tampa, Florida. Poster number 1249.
    
  • Evaluation of the soil health nutrient tool for corn nitrogen recommendations across the Midwest-(Abstract Only)
    Yost, M.A., Kitchen, N.R. 2017. Evaluation of the soil health nutrient tool for corn nitrogen recommendations across the Midwest [abstract]. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017, Tampa, Florida. Available: https://scisoc.confex.com/crops/2017am/recordingredirect.cgi/id/29889.
    
  • The best and worst of corn nitrogen rate recommendation tools used in the Midwest-(Abstract Only)
    Ransom, C., Kitchen, N.R. 2017. The best and worst of corn nitrogen rate recommendation tools used in the Midwest [abstract]. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017, Tampa, Florida. Available: https://scisoc.confex.com/crops/2017am/recordingredirect.cgi/id/29881.
    
  • Soil and environmental factors affecting internal N efficiency of maize-(Abstract Only)
    Camberato, J.J., Shafer, M., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Kitchen, N.R., Laboski, C.A., Nafziger, E.D., Nielson, R.L., Shanahan, J., Sawyer, J.E. 2017. Soil and environmental factors affecting internal N efficiency of maize. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017. Tampa, Florida. Paper #108990.
    
  • Proximal soil sensing and sensor fusion for soil health assessment-(Abstract Only)
    Sudduth, K.A., Veum, K.S., Kitchen, N.R. 2017. Proximal soil sensing and sensor fusion for soil health assessment [abstract]. ASA-CSSA-SSSA Annual Meeting, October 22-25, 2017, Tampa, Florida. Paper No. 105501.
    
  • Calculations supporting management zones -()
    Clay, D.E., Kitchen, N.R., Byamukama, E., Bruggeman, S. 2017. Calculations supporting management zones. In: Clay, D.E., Clay, S.A., and Bruggeman, S.A. editors. Practical Mathematics for Precision Farming. Madison, WI: ASA, CSSA, and SSSA. p. 122-135. doi:10.2134/practicalmath2017.0024.
    
  • A public-industry partnership for enhancing corn nitrogen research and datasets: project description, methodology, and outcomes -(Peer Reviewed Journal)
    Kitchen, N.R., Shanahan, J.F., Ransom, C.J., Bandura, C.J., Bean, G.M., Camberato, J.J., Carter, P.R., Clark, J.D., Ferguson, R.B., Fernandez, F.G. 2017. A public-industry partnership for enhancing corn nitrogen research and datasets: project description, methodology, and outcomes. Agronomy Journal. 109(5):2371-2388. doi:10.2134/agronj2017.04.0207.
    
  • The Potential of the Nutrient Uptake and Outcome network (NUOnet) to Contribute to Soil and Water Conservation -(Abstract Only)
    
    
  • Nutrient Uptake and Outcome network (NUOnet): Connecting a Wide Range of Natural Resource Conservation Networks-(Abstract Only)
    
    
  • Sensor data fusion for soil health assessment-(Peer Reviewed Journal)
    Veum, K.S., Sudduth, K.A., Kremer, R.J., Kitchen, N.R. 2017. Sensor data fusion for soil health assessment. Geoderma. 305:53-61. doi: 10.1016/j.geoderma.2017.05.031.
    
  • Using topsoil thickness to improve site-specific phosphorus and potassium management on claypan soil -(Peer Reviewed Journal)
    Conway, L., Yost, M.A., Kitchen, N.R., Sudduth, K.A. 2017. Using topsoil thickness to improve site-specific phosphorus and potassium management on claypan soil. Agronomy Journal. 109(5):2291-2301. doi:10.2134/agronj2017.01.0038.
    
  • Soil profile property estimation with field and laboratory VNIR spectroscopy-(Abstract Only)
    Veum, K.S., Sudduth, K.A., Kitchen, N.R. 2017. Soil profile property estimation with field and laboratory VNIR spectroscopy [abstract]. In: Abstracts of 11th European Conf. on Precision Agriculture, July 16-20, 2017, Edinburgh, UK.
    
  • Understanding and identifying variability -()
    Kitchen, N.R., Clay, S. 2018. Understanding and identifying variability. In: Shannon, D.K., Clay, D.A., Kitchen, N.R. editors. Precision Agriculture Basics. Madison, WI: ASA, CSSA, and SSSA. p. 13-24. doi:10.2134/precisionagbasics.2016.0033.
    
  • Estimation of soil profile properties using field and laboratory VNIR spectroscopy-(Abstract Only)
    Veum, K.S., Sudduth, K.A., Kitchen, N.R. 2017. Estimation of soil profile properties using field and laboratory VNIR spectroscopy [abstract]. Pedometrics Conference, Wageningen, The Netherlands, June 26-July 1, 2017. p. 253.
    
  • Inversion of soil electrical conductivity data to estimate layered soil properties-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Drummond, S.T. 2017. Inversion of soil electrical conductivity data to estimate layered soil properties. European Conference on Precision Agriculture Proceedings. 8(2)433-438. 2017.
    
  • Assessment of soil health in the central claypan region, Missouri-(Abstract Only)
    
    
  • Topsoil thickness and harvest management influence switchgrass production and profitability-(Peer Reviewed Journal)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Thompson, A.L., Allphin, E. 2017. Topsoil thickness and harvest management influence switchgrass production and profitability. Agronomy Journal. 109(3):985-994. doi: 10.2134/agronj2016.09.0561.
    
  • Crop yield and soil organic carbon in conventional and no-till organic systems on a claypan soil-(Peer Reviewed Journal)
    Clark, K., Boardman, D.L., Staples, J.S., Easterby, S., Reinbott, T.M., Kremer, R.J., Kitchen, N.R., Veum, K.S. 2017. Crop yield and soil organic carbon in conventional and no-till organic systems on a claypan soil. Agronomy Journal. 109(2):588-599. doi: 10.2134/agronj2016.06.0367.
    
  • Yield potential and nitrogen requirements of Miscanthus × giganteus on eroded soil-(Peer Reviewed Journal)
    Yost, M.A., Randall, B.K., Kitchen, N.R., Heaton, E.A., Myers, R.L. 2017. Yield potential and nitrogen requirements of Miscanthus × giganteus on eroded soil. Agronomy Journal. 109(2):684-695. doi: 10.2134/agronj2016.10.0582.
    
  • Topsoil thickness influences nitrogen management of switchgrass-(Peer Reviewed Journal)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Thompson, A.L., Allphin, E. 2017. Topsoil thickness influences nitrogen management of switchgrass. BioEnergy Research. 10(2):465-477. doi: 10.1007/s12155-016-9811-6.
    
  • USDA Agricultural Research Service creates Nutrient Uptake and Outcome Network (NUOnet) -(Peer Reviewed Journal)
    Delgado, J.A., Weyers, S.L., Dell, C.J., Harmel, R.D., Kleinman, P.J., Sistani, K.R., Leytem, A.B., Huggins, D.R., Strickland, T.C., Kitchen, N.R., Meisinger, J.J., Del Grosso, S.J., Johnson, J.M., Balkcom, K.S., Finley, J.W., Fukagawa, N.K., Powell, J.M., Van Pelt, R.S. 2016. USDA Agricultural Research Service creates Nutrient Uptake and Outcome Network (NUOnet) Journal of Soil and Water Conservation. 71(6):147A-148A. https://doi.org/10.2489/jswc.71.6.147A.
    
  • The anaerobic potentially mineralizable nitrogen test as a tool for nitrogen management in the Midwest-(Proceedings)
    Clark, J., Veum, K.S., Fernandez, F.G., Camberato, J.J., Carter, P.R., Ferguson, R.B., Franzen, D.W., Kitchen, N.R., Laboski, C.A., Nafziger, E.D., Sawyer, J.E., Shanahan, J. 2016. The anaerobic potentially mineralizable nitrogen test as a tool for nitrogen management in the Midwest. North Central Extension Industry Soil Fertility Conference Proceedings, November 2-3, 2016, Des Moines, Iowa. p. 97-110.
    
  • Topsoil thickness effects on phosphorus and potassium dynamics on claypan soils-(Proceedings)
    Conway, L.S., Yost, M.A., Kitchen, N.R., Sudduth, K.A. 2016. Topsoil thickness effects on phosphorus and potassium dynamics on claypan soils. North Central Extension Industry Soil Fertility Conference Proceedings. Available: http://extension.agron.iastate.edu/nce/ncepdfs/2016/ncsfc%202016%20conway%.
    
  • Soil water infiltration affected by topsoil thickness in row crop and switchgrass production systems-(Peer Reviewed Journal)
    Zaibon, S., Anderson, S.H., Thompson, A.L., Kitchen, N.R., Gantzer, C.J., Haruna, S.I. 2016. Soil water infiltration affected by topsoil thickness in row crop and switchgrass production systems. Geoderma. 286:46-53. doi: 10.1016/j.geoderma.2016.10.016.
    
  • Long-term impact of a precision agriculture system on grain crop production -(Peer Reviewed Journal)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Sadler, E.J., Drummond, S.T., Volkmann, M.R. 2017. Long-term impact of a precision agriculture system on grain crop production. Precision Agriculture. 18(5):823-842. doi:10.1007/s11119-016-9490-5.
    
  • Data sharing in the ag community - what are current challenges, benefits, and opportunities-(Abstract Only)
    
    
  • fusing regional and weather variability with site-specific canopy reflectance for improved in-season N fertilizer recommendation-(Abstract Only)
    
    
  • Corn nitrogen fertilization rate tools compared over eight Midwest states-(Abstract Only)
    
    
  • Long-term impact of precision agriculture on a farmer’s field-(Abstract Only)
    
    
  • Nitrogen management of switchgrass and miscanthus on marginal soils-(Abstract Only)
    
    
  • Soil water infiltration affected by biofuel and grain crop production systems in claypan landscape-(Abstract Only)
    
    
  • Partitioning of applied nitrogen in corn and switchgrass in soils of variable depths in Central Missouri, USA-(Abstract Only)
    
    
  • Standardization of soil apparent electrical conductivity using multi-temporal surveys across multiple production fields-(Abstract Only)
    
    
  • Variation in internal N efficiency of maize and impact on yield-goal based N recommendations-(Abstract Only)
    
    
  • Can the anaerobic potentially mineralizable nitrogen test improve predictions of fertilizer nitrogen rates in the Cornbelt?-(Abstract Only)
    
    
  • Post-harvest soil nitrate following corn production in eight Midwestern states-(Abstract Only)
    
    
  • Topsoil thickness effects on corn, soybean, and switchgrass production on claypan soils-(Peer Reviewed Journal)
    Conway, L.S., Yost, M.A., Kitchen, N.R., Sudduth, K.A., Thompson, A.L., Massey, R.E. 2017. Topsoil thickness effects on corn, soybean, and switchgrass production on claypan soils. Agronomy Journal. 109(3):782-794. doi: 10.2134/agronj2016.06.0365.
    
  • Hydraulic properties affected by topsoil thickness in switchgrass and corn-soybean cropping systems-(Peer Reviewed Journal)
    Zaibon, S., Anderson, S.H., Kitchen, N.R., Haruna, S.I. 2016. Hydraulic properties affected by topsoil thickness in switchgrass and corn-soybean cropping systems. Soil Science Society of America Journal. 80(5):1365–1376. doi: 10.2136/sssaj2016.04.0111.
    
  • Improving canopy sensor algorithms with soil and weather information-(Abstract Only)
    Kitchen, N.R., Sudduth, K.A., Bean, G.M., Drummond, S.T., Yost, M.A. 2016. Improving canopy sensor algorithms with soil and weather information [abstract]. International Nitrogen Conference. Presentation.
    
  • Which Fields Need Precision Nitrogen Management the Most?-()
    Yost, M.A., Bobryk, C.W., Kitchen, N.R. 2016. Which Fields Need Precision Nitrogen Management the Most?. International Nitrogen Use Efficiency (NUE) Conference, August 8-10, 2016, Boise, Idaho. Presentation.
    
  • Topsoil depth effects on corn yield and nitrogen uptake efficiency-()
    International Nitrogen Use Efficiency (NUE) Conference, August 8-10, 2016, Boise, Idaho. Poster.
    
  • Nitrogen recommendation systems-(Abstract Only)
    Kitchen, N.R. 2016. Nitrogen recommendation systems [abstract]. InfoAg Conference. Presentation.
    
  • Sensor based soil health assessment-(Proceedings)
    Veum, K.S., Sudduth, K.A., Kitchen, N.R. 2016. Sensor based soil health assessment. International Conference on Precision Agriculture Abstracts & Proceedings. July 31-August 3, 2016, St. Louis, Missouri. Available: https://www.ispag.org/proceedings/?action=abstract&id=2096.
    
  • Sensor-based nitrogen applications out-performed producer-chosen rates for corn in on-farm demonstrations-(Proceedings)
    Scharf, P.C., Shannon, D.K., Sudduth, K.A., Kitchen, N.R. 2016. Sensor-based nitrogen applications out-performed producer-chosen rates for corn in on-farm demonstrations. In: International Conference on Precision Agriculture Proceedings, July 31-August 3, 2016, St. Louis, Missouri. Avaialble: https://ispag.org/proceedings/?action=abstract&id=2150&search=topics.
    
  • Claypan depth effect on soil phosphorus and potassium dynamics-(Proceedings)
    Conway, L.S., Yost, M.A., Kitchen, N.R., Sudduth, K.A., Myers, D.B. 2016. Claypan depth effect on soil phosphorus and potassium dynamics. In: International Conference on Precision Agriculture Proceedings, July 31-August 3, 2016, St. Louis, Missouri. Available: https://ispag.org/proceedings/?action=abstract&id=2114&search=authors.
    
  • Will algorithms modified with soil and weather information improve in-field reflectance-sensing corn nitrogen applications?-(Proceedings)
    Kitchen, N.R., Sudduth, K.A., Bean, G.M., Drummond, S.T., Yost, M.A. 2016. Will algorithms modified with soil and weather information improve in-field reflectance-sensing corn nitrogen applications? In: International Conference on Precision Agriculture Proceedings. Available: https://ispag.org/proceedings/?action=abstract&id=2078&search=types.
    
  • Modifying the University of Missouri corn canopy sensor algorithm using soil and weather information-(Proceedings)
    Bean, G.M., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.M., Miles, R., Nafziger, E.D. 2016. Modifying the University of Missouri corn canopy sensor algorithm using soil and weather information. In: International Conference on Precision Agriculture, July 31-August 4, 2016, St. Louis, Missouri. Available: https://ispag.org/proceedings/?action=abstract&id=1878&search=types.
    
  • Field potential soil variability index to identify precision agriculture opportunity-(Proceedings)
    Bobryk, C.W., Yost, M.A., Kitchen, N.R. 2016. Field potential soil variability index to identify precision agriculture opportunity. In: International Conference on Precision Agriculture, July 31-August 4, 2016, St. Louis, Missouri. Available: https://www.ispag.org/proceedings/?action=abstract&id=2124.
    
  • A content review of precision agriculture courses in the United States and Canada-(Proceedings)
    Skouby, D.M., Schumacher, L., Yost, M.A., Kitchen, N.R. 2016. A content review of precision agriculture courses in the United States and Canada. In: International Conference on Precision Agriculture, July 31-August 4, 2016, St. Louis, Missouri. Available: https://www.ispag.org/proceedings/?action=abstract&id=2186.
    
  • A decade of precision agriculture impacts on grain yield and yield variation-(Proceedings)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Drummond, S.T., Sadler, E.J. 2016. A decade of precision agriculture impacts on grain yield and yield variation. In: 13th International Conference on Precision Agriculture Proceedings, July 31-August 3, 2016, St. Louis, Missouri. Available: https://ispag.org/proceedings/?action=abstract&id=2109&search=types.
    
  • Algorithms for in-season nutrient management in cereals-(Peer Reviewed Journal)
    Franzen, D.W., Kitchen, N.R., Schepers, J.A., Holland, K.H., Raun, W.R. 2016. Algorithms for in-season nutrient management in cereals. Agronomy Journal. 108(5):1775-1781. doi: 10.2134/agronj2016.01.0041.
    
  • Effect of topsoil thickness on soil water infiltration in corn-soybean rotation and switchgrass production systems-(Abstract Only)
    Zaibon, S., Anderson, S.H., Kitchen, N.R., Thompson, A.L., Gantzer, C.J., Udawatta, R.P. 2016. Effect of topsoil thickness on soil water infiltration in corn-soybean rotation and switchgrass production systems [abstract]. Soil and Water Conservation Society Annual Conference, July 24-27, 2016, Louisville, Kentucky. Presentation.
    
  • Validating a digital soil map with corn yield data for precision agriculture decision support-(Peer Reviewed Journal)
    Bobryk, C.W., Myers, D.B., Kitchen, N.R., Shanahan, J., Sudduth, K.A., Drummond, S.T., Gunzenhauser, B., Gomez Raboteaux, N.N. 2016. Validating a digital soil map with corn yield data for precision agriculture decision support. Agronomy Journal. 108:(3)957-965. doi: 10.2134/agronj2015.0381.
    
  • Impact of rhizome quality on miscanthus establishment in claypan soil landscapes-(Peer Reviewed Journal)
    Randall, B.K., Yost, M.A., Kitchen, N.R., Heaton, E.A., Stelzer, H.E., Thompson, A.L. 2016. Impact of rhizome quality on miscanthus establishment in claypan soil landscapes. Industrial Crops and Products. 85(2016):331-340. doi: 10.1016/j.indcrop.2015.12.040.
    
  • Long-term impacts of cropping systems and landscape positions on claypan-soil grain crop production-(Peer Reviewed Journal)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Sadler, E.J., Baffaut, C., Volkmann, M.R., Drummond, S.T. 2016. Long-term impacts of cropping systems and landscape positions on claypan-soil grain crop production. Agronomy Journal. 108(2):713-725. doi: 10.2134/agronj2015.0413.
    
  • Controls on nitrate-N concentrations in groundwater in a Missouri claypan watershed-(Peer Reviewed Journal)
    Al-Qudah, O.M., Liu, F., Lerch, R.N., Kitchen, N.R., Yang, J. 2015. Controls on nitrate-N concentrations in groundwater in a Missouri claypan watershed. Earth and Space Science. 3(3):90-105. doi: 10.1002/2015EA000117.
    
  • Multi-scale monitoring for improved nutrient management-(Abstract Only)
    
    
  • Topsoil depth influences switchgrass nitrogen management on claypan soils-(Abstract Only)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Thompson, A. 2015. Topsoil depth influences switchgrass nitrogen management on claypan soils [abstract]. North Central Extension-Industry Soil Fertility Conference, November 3-4, 2015, Des Moines, Iowa.. Presentation.
    
  • Public-private partnering for improving performance of corn nitrogen fertilization tools-(Abstract Only)
    Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C., Nafziger, E.D., Sawyer, J.E., Shanahan, J. 2015. Public-private partnering for improving performance of corn nitrogen fertilization tools [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 93827.
    
  • Management factors affecting establishment and yield of bioenergy miscanthus on claypan soil landscapes-(Abstract Only)
    
    
  • Integrating soil and weather information into canopy sensor algorithms for improved corn nitrogen rate recommendation-(Abstract Only)
    Bean, G.M., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C., Nafziger, E.D., Sawyer, J.E., Shanahan, J. 2015. Integrating soil and weather information into canopy sensor algorithms for improved corn nitrogen rate recommendation [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 93026.
    
  • Evaluating topsoil depth effects on phosphorus and potassium nutrient dynamics of grain and switchgrass production systems-(Abstract Only)
    Conway, L., Kitchen, N.R., Yost, M.A., Sudduth, K.A., Myers, D.B. 2015. Evaluating topsoil depth effects on phosphorus and potassium nutrient dynamics of grain and switchgrass production systems [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 92941.
    
  • Corn nitrogen fertilization rate tools compared over eight midwest states-(Abstract Only)
    Ransom, C.J., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.M., Nafziger, E.D., Sawyer, J.E., Shanahan, J.F. 2015. Corn nitrogen fertilization rate tools compared over eight midwest states [abstract]. ASA-CSSA-SSSA Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 93024.
    
  • Nitrogen and harvest impact on biomass yield of established switchgrass (Panicum virgatum L.)-(Abstract Only)
    Weerasekara, C., Kitchen, N.R., Jose, J., Bardhan, S. 2015. Nitrogen and harvest impact on biomass yield of established switchgrass (Panicum virgatum L.) [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 94777.
    
  • Long-term impacts of cropping systems and landscape positions on grain crop production on claypan soils-(Abstract Only)
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Sadler, E.J., Baffaut, C., Volkmann, M.R., Drummond, S.T. 2015. Long-term impacts of cropping systems and landscape positions on grain crop production on claypan soils [abstract]. AASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 92516.
    
  • Nitrogen dynamics in corn and switchgrass production influenced by soils of varying depths in central Missouri-(Abstract Only)
    Bardhan, S., Jose, J., Kitchen, N.R., Thompason, A. 2015. Nitrogen dynamics in corn and switchgrass production influenced by soils of varying depths in central Missouri [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 94445.
    
  • Validating a high-resolution digital soil map for precision agriculture across multiple fields-(Abstract Only)
    Bobryk, C., Myers, D.B., Kitchen, N.R., Shanahan, J., Sudduth, K.A., Drummond, S.T. 2015. Validating a high-resolution digital soil map for precision agriculture across multiple fields [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 94667.
    
  • Factors to consider in developing variable rate seeding prescriptions-(Abstract Only)
    Syaharudin, Z., Anderson, S.H., Kitchen, N.R., Thompson, A. 2015. Factors to consider in developing variable rate seeding prescriptions [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 88663.
    
  • What plant and soil testing from 16 sites in eight midwestern states tells us about split nitrogen applications-(Abstract Only)
    Clark, J.C., Fernandez, F.G., Camberato, J.J., Sawyer, J.E., Kitchen, N.R., Ferguson, R.B., Carter, P.R., Shanahan, J., Nafziger, E.D., Franzen, D.W., Laboski, C. 2015. What plant and soil testing from 16 sites in eight midwestern states tells us about split nitrogen applications [abstract]. ASA-CSSA-SSSA International Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Paper No. 92889.
    
  • Engineering and agronomy aspects of a long-term precision agriculture field experiment-(Abstract Only)
    
    
  • Monitoring soil health with a sensor fusion approach-(Abstract Only)
    
    
  • Cover crop in Missouri: putting them to work on your farm-()
    Myers, R., Ellis, C., Hoorman, R., Reinbott, T., Kitchen, N.R., Reisner, J. 2015. Cover crop in Missouri: putting them to work on your farm. University of Missouri Agricultural Experiment Station Publication. G4161. Available: http://extension.missouri.edu/p/G4161.
    
  • Cover crops and N credits-()
    Yost, M.A., Kitchen, N.R. 2015. Cover crops and N credits. University of Missouri Agricultural Experiment Station Publication, July 29, 2015, Columbia, Missouri. Presentation.
    
  • Soil health research in the Goodwater Creek Experimental Watershed Long-Term Agroecosystem Research site-(Abstract Only)
    
    
  • Potentially mineralizable nitrogen as a soil health indicator in a Long-Term Agroecosystem Research site-(Abstract Only)
    
    
  • Estimating a soil quality index with VNIR reflectance spectroscopy-(Abstract Only)
    
    
  • Integrating soil information into canopy sensor algorithms for improved corn nitrogen rate recommendation-()
    Bean, G.M., Kitchen, N.R., Camberato, J.J., Carter, P.R., Ferguson, R.B., Fernandez, F.G., Franzen, D.W., Laboski, C.M., Nafziger, E.D., Ransom, C.J., Sawyer, J.E., Shanahan, J. 2015. Integrating soil information into canopy sensor algorithms for improved corn nitrogen rate recommendation. Meeting Abstract. Poster.
    
  • Nitrogen fertilizer management impact on dry matter yield of warm-season grasses-()
    Weerasekara, C., Kitchen, N.R., Jose, S. 2015. Nitrogen fertilizer management impact on dry matter yield of warm-season grasses. Meeting Abstract. Poster.
    
  • Switchgrass canopy reflectance as nitrogen management tool on variable claypan soils-()
    Yost, M.A., Kitchen, N.R., Sudduth, K.A., Allphin, E. 2015. Switchgrass canopy reflectance as nitrogen management tool on variable claypan soils. Meeting Abstract. Poster.
    
  • Switchgrass canopy reflectance as nitrogen management tool on variable claypan soils-(Abstract Only)
    
    
  • Model and sensor-based recommendation approaches for in-season nitrogen management in corn-(Peer Reviewed Journal)
    Thompson, L.J., Ferguson, R.B., Kitchen, N.R., Franzen, D.W., Mamo, M., Yang, H., Schepers, J.S. 2015. Model and sensor-based recommendation approaches for in-season nitrogen management in corn. Agronomy Journal. 107:2020–2030. doi: 10.2134/agronj15.0116.
    
  • Regional validation of a high-resolution digital soil map using soil profile attributes-(Abstract Only)
    
    
  • Success and challenges met during the calibration of APEX on large plots-(Abstract Only)
    Baffaut, C., Ghidey, F., Senaviratne, A., Kitchen, N.R., Sudduth, K.A., Lerch, R.N. 2015. Success and challenges met during the calibration of APEX on large plots [abstract]. Annual International SWAT Conference. Session C3.
    
  • Operational characteristics of commercial crop canopy sensors for nitrogen application in maize-(Proceedings)
    Sudduth, K.A., Drummond, S.T., Kitchen, N.R. Operational characteristics of commercial crop canopy sensors for nitrogen application in maize. In: Precision Agriculture '15 - Proceedings 10th European Conference on Precision Agriculture, 12-16 July 2015. pp. 51-58. Wageningen Academic Publishers, Wageningen, Netherlands. 2015.
    
  • Conservation effects on soil quality indicators in the Missouri Salt River Basin-(Peer Reviewed Journal)
    Veum, K.S., Kremer, R.J., Sudduth, K.A., Kitchen, N.R., Lerch, R.N., Baffaut, C., Stott, D.E., Karlen, D.L., Sadler, E.J. 2015. Conservation effects on soil quality indicators in the Missouri Salt River Basin. Journal of Soil and Water Conservation. 70:232-246. DOI: 10.2489/jswc.70.4.232.
    
  • Central Mississippi River Basin LTAR site overview-(Proceedings)
    Sadler, E.J., Baffaut, C., Sudduth, K.A., Lerch, R.N., Kitchen, N.R., Vories, E.D., Veum, K.S., Yost, M.A. 2016. Central Mississippi River Basin LTAR site overview. 5th Interagency Conference on Research in the Watersheds, March 2-5, 2015, Charelston, South Carolina. p. 61-67.
    
  • Estimating a soil quality index with VNIR reflectance spectroscopy-(Peer Reviewed Journal)
    Veum, K.S., Sudduth, K.A., Kremer, R.J., Kitchen, N.R. 2015. Estimating a soil quality index with VNIR reflectance spectroscopy. Soil Science Society of America Journal. 79:637-649.
    
  • Long-term agroecosystem research in the Central Mississippi River Basin: introduction, establishment, and overview-(Peer Reviewed Journal)
    Sadler, E.J., Lerch, R.N., Kitchen, N.R., Anderson, S.H., Baffaut, C., Sudduth, K.A., Prato, A.A., Kremer, R.J., Vories, E.D., Myers, D.B., Broz, R., Miles, R.J., Young, J. 2015. Long-term agroecosystem research in the Central Mississippi River Basin: introduction, establishment, and overview. Journal of Environmental Quality. 44:3-12. DOI: 10.2134/jeq2014.11.0481.
    
  • Long-term agroecosystem research in the Central Mississippi River Basin: dissolved nitrogen and phosphorus transport in a high-runoff-potential watershed -(Peer Reviewed Journal)
    Lerch, R.N., Baffaut, C., Kitchen, N.R., Sadler, E.J. 2015. Long-term agroecosystem research in the Central Mississippi River Basin: dissolved nitrogen and phosphorus transport in a high-runoff-potential watershed. Journal of Environmental Quality. 44:44-57. DOI: 10.2134/jeq2014.02.0059.
    
  • Spatial variability of soil properties using nested variograms at multiple scales-(Peer Reviewed Journal)
    Chung, S., Sudduth, K.A., Drummond, S.T., Kitchen, N.R. 2014. Spatial variability of soil properties using nested variograms at multiple scales. Journal of Biosystems Engineering. 39(4):377-388.
    
  • Nitrogen Management of Bioenergy of Miscanthus on Claypan Soil Landscapes-(Proceedings)
    Randall, B., Kitchen, N.R., Heaton, E., Myers, D.B., Thompson, A. 2016. Nitrogen Management of Bioenergy of Miscanthus on Claypan Soil Landscapes. In: North Central Extension Industry Soil Fertility Conference Proceedings, November 19-20, 2014, Des Moines, Iowa . p. 141-146.
    
  • Long-term agroecosystem research in the Central Mississippi River Basin: hydrogeologic controls and crop management influence on nitrates in loess and fractured glacial till-(Peer Reviewed Journal)
    Kitchen, N.R., Blanchard, P.E., Lerch, R.N. 2015. Long-term agroecosystem research in the Central Mississippi River Basin: hydrogeologic controls and crop management influence on nitrates in loess and fractured glacial till. Journal of Environmental Quality. 44:58-70. DOI: 10.2134/jeq2014.09.0405.
    
  • Canopy reflectance sensors as a decision tool for N rate-(Abstract Only)
    Kitchen, N.R., Shanahan, J.F. 2014. Canopy reflectance sensors as a decision tool for N rate [abstract]. 2014 ASA-CSA-SSSA Annual Meeting, November 2-5, 2014, Long Beach, California. Paper No. 88893
    
  • Management factors affecting establishment and yield of bioenergy miscanthus on claypan soil landscapes-(Abstract Only)
    Randall, B.K., Kitchen, N.R., Heaton, E.A., Myers, D.B., Thompson, A. 2014. Management factors affecting establishment and yield of bioenergy miscanthus on claypan soil landscapes [abstract]. 2014 ASA-CSSA-SSSA Annual Meeting, November 2-5, 2014, Long Beach, California. Paper No. 87451.
    
  • Greenhouse gas emissions from corn and wheat under varying organic management practices-(Abstract Only)
    
    
  • Factors to consider in developing variable rate seeding prescriptions-(Abstract Only)
    
    
  • Nitrogen uptake by corn and switchgrass plants in soils of varying depths in Central Missouri-(Abstract Only)
    
    
  • Corn physiology, morphology, and yield response to hybrid and seeding rate in Mid-Missouri on a claypan soil: potential application for variable rate seeding-(Abstract Only)
    
    
  • Crop sensors for automation of in-season nitrogen application-(Proceedings)
    Sudduth, K.A., Drummond, S.T., Kitchen, N.R. 2014. Crop sensors for automation of in-season nitrogen application. In: In: Proc. Automation Technology for Off-Road Equipment 2014, pp. 219-226. September 16-18, 2014, Beijing, China. 2014.
    
  • Conservation effects on soil quality indicators in the Missouri Salt River basin-(Abstract Only)
    Veum, K.S., Kremer, R.J., Sudduth, K.A., Kitchen, N.R., Lerch, R.N., Baffaut, C., Stott, D.E., Karlen, D.L., Sadler, E.J. 2014. Conservation effects on soil quality indicators in the Missouri Salt River basin. ASA-CSSA-SSSA Annual Meeting Abstracts. Poster number 1937.
    
  • A stochastic approach for predicting the profitability of bioenergy grasses-(Peer Reviewed Journal)
    Dolginow, J.P., Massey, R.E., Kitchen, N.R., Myers, D.B., Sudduth, K.A. 2014. A stochastic approach for predicting the profitability of bioenergy grasses. Agronomy Journal. 106:2137-2145.
    
  • Evaluation of a commercial multi-sensor system for soil electrical conductivity, organic matter, and pH-(Abstract Only)
    Sudduth, K.A., Vories, E.D., Kitchen, N.R., Myers, D.B., Drummond, S.T. 2014. Evaluation of a commercial multi-sensor system for soil electrical conductivity, organic matter, and pH. ASABE Annual International Meeting [Availble online].
    
  • Production and conservation results from a decade-long field-scale precision agriculture system-(Proceedings)
    Kitchen, N.R., Baffaut, C., Sudduth, K.A., Sadler, E.J., Veum, K.S., Kremer, R.J., Lerch, R.N. 2014. Production and conservation results from a decade-long field-scale precision agriculture system. In: Proceedings of the 12th International Conference on Precision Agriculture, July 20-23, 2014, Sacramento, California. 2014 CDROM.
    
  • Long-term agroecosystem research in the Central Mississippi River Basin: Goodwater Creek Experimental Watershed and regional nutrient water quality data-(Peer Reviewed Journal)
    Lerch, R.N., Kitchen, N.R., Baffaut, C., Vories, E.D. 2015. Long-term agroecosystem research in the Central Mississippi River Basin: Goodwater Creek Experimental Watershed and regional nutrient water quality data. Journal of Environmental Quality. 44:37-43. DOI: 10.2134/jeq2013.12.0518.
    
  • In-season nitrogen requirement for maize using model and sensor-based recommendation approaches-(Proceedings)
    
    
  • Production and conservation outcomes of a decade-long field-scale precision agriculture system-(Abstract Only)
    Kitchen, N.R., Baffaut, C., Sudduth, K.A., Kremer, R.J., Myers, D.B., Lerch, R.N., Sadler, E.J. 2013. Production and conservation outcomes of a decade-long field-scale precision agriculture system [abstract]. ASA-CSSA-SSSA Annual Meeting. 181-2.
    
  • Management impacts on GHG emissions and yield performance from organic soybean-(Abstract Only)
    Easterby, S., Kitchen, N.R., Kremer, R.J., Myers, D.B., Reinbott, T.M. 2013. Management impacts on GHG emissions and yield performance from organic soybean [abstract]. ASA-CSSA-SSSA Annual Meeting. 217-14.
    
  • Determining in-season nitrogen requirements for maize using model and sensor based approaches-(Abstract Only)
    Stevens, L., Ferguson, R.B., Franzen, D.W., Kitchen, N.R. 2013. Determining in-season nitrogen requirements for maize using model and sensor based approaches [abstract]. ASA-CSSA-SSSA Annual Meeting. 281-14.
    
  • Mobile proximal soil sensing for crop productivity assessment and water management-(Abstract Only)
    Sudduth, K.A., Vories, E.D., Thompson, A.L., Kitchen, N.R. 2013. Mobile proximal soil sensing for crop productivity assessment and water management [abstract]. ASA-CSSA-SSSA Annual Meeting. 410.
    
  • Estimating a soil quality index with VNIR Reflectance Spectroscopy-(Abstract Only)
    Sudduth, K.A., Kremer, R.J., Veum, K.S., Kitchen, N.R. 2013. Estimating a soil quality index with VNIR Reflectance Spectroscopy. ASABE Annual International Meeting. Available Online.
    
  • Canopy sensors to match N rate to crop need and reduce the pool of vulnerable nitrate-(Abstract Only)
    Scharf, P.C., Kitchen, N.R., Sudduth, K.A., Shannon, D., Dunn, D. 2013. Canopy sensors to match N rate to crop need and reduce the pool of vulnerable nitrate [abstract]. ASA-CSSA-SSSA Annual Meeting. 219-1.
    
  • Sensor-based nitrogen applications for corn: opportunities, on-farm demonstration results, and obstacles-(Abstract Only)
    Scharf, P.C., Shannon, D., Sudduth, K.A., Kitchen, N.R. 2013. Sensor-based nitrogen applications for corn: opportunities, on-farm demonstration results, and obstacles [abstract]. Nitrogen Use Efficiency Conference. Available Online.
    
  • A Meta-Analysis quantifying the relationships between response to nitrogen fertilization vs soil texture and weather-(Abstract Only)
    Tremblay, N., Bouroubi, Y.M., Belec, C., Mullen, R.W., Kitchen, N.R., Thomason, W.E., Ebelhar, S.A., Mengel, D.B., Raun, W.R., Francis, D.D., Vories, E.D., Ortiz-Monasterio, I. 2013. A Meta-Analysis quantifying the relationships between response to nitrogen fertilization vs soil texture and weather [abstract]. Nitrogen, Environment, and Vegetables Workshop, April 15-17, 2013, Turnin, Italy. P. 45-46.
    
  • Adjustment of corn nitrogen in-season fertilization based on soil texture and weather conditions: a Meta-analysis of North American trials-(Abstract Only)
    Tremblay, N., Bouroubi, M.Y., Belec, C., Mullen, R.L., Kitchen, N.R., Thomason, W.E., Ebelhar, S.A., Mengel, D.B., Raun, W.R., Francis, D.D., Vories, E.D., Ortiz-Monasterio, I. 2013. Adjustment of corn nitrogen in-season fertilization based on soil texture and weather conditions: a Meta-analysis of North American trials [Abstract]. Asian Conference on Precision Agriculture. 52-53.
    
  • Corn response to nitrogen is influenced by soil texture and weather-(Abstract Only)
    Tremblay, N., Bouroubi, M.Y., Belec, C., Mullen, R.L., Kitchen, N.R., Thomason, W.E., Ebelhar, S.A., Mengel, D.B., Raun, W.R., Francis, D.D., Vories, E.D., Ortiz-Monasterio 2013. Corn response to nitrogen is influenced by soil texture and weather. Proceedings of the 67th Northeastern and Southern Corn Improvement Proceedings, February 14-15. 2013, Ottawa, Ontario. NEC-29: 40.
    
  • Relating mobile sensor soil strength to penetrometer cone index-(Peer Reviewed Journal)
    Chung, S., Sudduth, K.A., Motavalli, P.P., Kitchen, N.R. 2013. Relating mobile sensor soil strength to penetrometer cone index. Soil & Tillage Research. 129:9-18. DOI: 10.1016/j.still.2012.12.004.
    
  • Response surface models of subsoil K concentration for loess over till soils in Missouri-(Proceedings)
    Myers, D.B., Kitchen, N.R., Miles, R.J., Sudduth, K.A., Sadler, E.J., Grunwald, S. 2012. Response surface models of subsoil K concentration for loess over till soils in Missouri. 42nd North Central Extension-Industry Soil Fertility Conference Proceedings. CDROM.
    
  • Modeling soil electrical conductivity-depth relationships with data from proximal and penetrating ECa sensors-(Peer Reviewed Journal)
    Sudduth, K.A., Myers, D.B., Kitchen, N.R., Drummond, S.T. 2013. Modeling soil electrical conductivity-depth relationships with data from proximal and penetrating ECa sensors. Geoderma. 199:12-21.
    
  • Agronomic and soil management lessons learned planting 13,000 acres of Miscanthus in the U.S. Midwest-(Abstract Only)
    Allphin, E.B., Kitchen, N.R., Wilmes, J., Myers, D.B. 2012. Agronomic and soil management lessons learned planting 13,000 acres of Miscanthus in the U.S. Midwest. ASA-CSSA-SSSA Annual Meeting Abstracts. CDROM.
    
  • A simple index explains annual atrazine transport from surface runoff-prone watersheds in the north-central USA-(Peer Reviewed Journal)
    Sadler, E.J., Sudduth, K.A., Lerch, R.N., Baffaut, C., Kitchen, N.R. 2014. A simple index explains annual atrazine transport from surface runoff-prone watersheds in the north-central USA. Hydrological Processes. 28:210-217. DOI: 10.1002/hyp.9544.
    
  • Corn response to nitrogen is influenced by soil texture and weather-(Peer Reviewed Journal)
    Tremblay, N., Bouroubi, M.Y., Belec, C., Mullen, R.W., Kitchen, N.R., Thomason, W.E., Ebelhar, S., Mengel, D.B., Raun, W.R., Francis, D.D., Vories, E.D., Ortiz-Monasterio, I. 2012. Corn response to nitrogen is influenced by soil texture and weather. Agronomy Journal. 104(6):1658-1671. DOI:10.2134/agronj2012.0184.
    
  • Challenges and opportunities for mitigating nitrous oxide emissions from fertilized cropping systems -(Peer Reviewed Journal)
    Venterea, R.T., Halvorson, A.D., Kitchen, N.R., Liebig, M.A., Cavigelli, M.A., Del Grosso, S.J., Motavalli, P.P., Nelson, K.A., Spokas, K.A., Singh, B.P., Stewart, C.E., Ranaivoson, A., Strock, J., Collins, H.P. 2012. Challenges and opportunities for mitigating nitrous oxide emissions from fertilized cropping systems. Frontiers in Ecology and the Environment. 10(10)562-570.
    
  • Water and nitrogen use efficiency of corn and switchgrass on claypan soil landscapes-(Proceedings)
    Boardman, D.L., Kitchen, N.R., Allphin, E.B., Thompson, A.L. 2012. Water and nitrogen use efficiency of corn and switchgrass on claypan soil landscapes. 12th International Conference on Precision Agriculture, July 20-23, 2012, Sacramento, California. 2012 CDROM.
    
  • Combining long-term herbicide monitoring with identification of vulnerable areas in restrictive layer watersheds-(Abstract Only)
    Lerch, R.N., Baffaut, C., Sadler, E.J., Kitchen, N.R., Sudduth, K.A. 2011. Combining long-term herbicide monitoring with identification of vulnerable areas in restrictive layer watersheds [abstract]. American Chemical Society National Meeting, August 28-September 1, 2011, Denver, Colorado. 12801.
    
  • Disposable nitrate-selective optical sensor based on fluorescent dye-(Peer Reviewed Journal)
    Kim, G., Sudduth, K.A., Grant, S.A., Kitchen, N.R. 2012. Disposable nitrate-selective optical sensor based on fluorescent dye. Sensor Letters. 37(3):209-213. DOI: 10.5307/JBE.2012.37.3.209.
    
  • Goodwater Creek experimental watershed LTAR - representing runoff-prone environments-(Abstract Only)
    Sadler, E.J., Lerch, R.N., Baffaut, C., Sudduth, K.A., Kitchen, N.R., Kremer, R.J., Vories, E.D., Anderson, S.H. 2012. Goodwater Creek experimental watershed LTAR - representing runoff-prone environments [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. CDROM.
    
  • Estimating soil quality indicators with diffuse reflectance spectroscopy-(Proceedings)
    Sudduth, K.A., Kremer, R.J., Kitchen, N.R., Myers, D.B. 2012. Estimating soil quality indicators with diffuse reflectance spectroscopy. International Conference on Precision Agriculture, July 15-18, 2012, Indianapolis, Indiana. 2012 CDROM.
    
  • Issues in analysis of soil-landscape effects in a large regional yield map collection-(Proceedings)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A. 2012. Issues in analysis of soil-landscape effects in a large regional yield map collection. Proceedings of the Annual Precision Ag Conference. 11th International Conference on Precision Agriculture, July 15-18, 2012, Indianapolis, Indiana, 2012 CDROM.
    
  • The role of precision agriculture in food production and security-()
    
    
  • Comparative breakeven analysis of annual grain and perennial switchgrass cropping systems-(Peer Reviewed Journal)
    Landers, G.W., Thompson, A.L., Kitchen, N.R., Massey, R.E. 2012. Comparative breakeven analysis of annual grain and perennial switchgrass cropping systems. Agronomy Journal. 104: 639–648. DOI: 10.2134/agronj2011.0229.
    
  • Assessing nitrogen management and claypan soil variability effects on switchgrass using reflectance sensing-(Proceedings)
    Allphin, E., Kitchen, N.R. 2011. Assessing nitrogen management and claypan soil variability effects on switchgrass using reflectance sensing. 2011 North Central Extension-Industry Soil Fertility Conference, November 16-17, 2011. 27:158-166.
    
  • Corn hybrid growth stage influence on crop reflectance sensing-(Peer Reviewed Journal)
    Sheridan, A.H., Kitchen, N.R., Sudduth, K.A., Drummond, S.T. 2011. Corn hybrid growth stage influence on crop reflectance sensing. Agronomy Journal. 104:158-164.
    
  • Using APEX to develop and validate physically-based indices for the delineation of critical management areas-(Peer Reviewed Journal)
    Mugdal, A., Baffaut, C., Anderson, S.H., Sadler, E.J., Kitchen, N.R., Sudduth, K.A., Lerch, R.N. 2012. Using APEX to develop and validate physically-based indices for the delineation of critical management areas. Journal of Soil and Water Conservation. 67: 284-299.
    
  • Reflectance spectroscopy detects management and landscape differences in soil carbon and nitrogen-(Peer Reviewed Journal)
    Chaudhary, V.P., Sudduth, K.A., Kitchen, N.R., Kremer, R.J. 2012. Reflectance spectroscopy detects management and landscape differences in soil carbon and nitrogen. Soil Science Society of America Journal. 76(2):597-606.
    
  • Relationships between soil-based management zones and canopy sensing for corn nitrogen management-(Peer Reviewed Journal)
    Roberts, D.F., Ferguson, R.B., Kitchen, N.R., Adamchuk, V.I., Shanahan, J.F. 2011. Relationships between soil-based management zones and canopy sensing for corn nitrogen management. Agronomy Journal. 104(1):119-129.
    
  • Sustainable Alternative Fuel Feedstock Opportunities, Challenges and Roadmaps for Six U.S. Regions: Upper Midwest Regional Roadmap-(Proceedings)
    Kitchen, N.R. 2011. Sustainable Alternative Fuel Feedstock Opportunities, Challenges and Roadmaps for Six U.S. Regions: Upper Midwest Regional Roadmap. Sustainable Feedstocks for Advanced Biofuels. In: Braun, R., Karlen, D. and Johnson, D. Chapter 24.
    
  • Sensor-based nitrogen applications out-performed producer-chosen rates for corn in on-farm demonstrations-(Peer Reviewed Journal)
    Scharf, P.C., Shannon, D.K., Palm, H.L., Sudduth, K.A., Drummond, S.T., Kitchen, N.R., Mueller, L.J., Hubbard, V.C., Oliveira, L.F. 2011. Sensor-based nitrogen applications out-performed producer-chosen rates for corn in on-farm demonstrations. Agronomy Journal. 103(6):1683-1691.
    
  • Nadir and oblique canopy reflectance sensing for N application in corn-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Drummond, S.T. 2011. Nadir and oblique canopy reflectance sensing for N application in corn. ASABE Annual International Meeting, August 7-10, 2011, Louisville, Kentucky. Paper No. 1111261.
    
  • Precision agricultural systems: a model of integrative science and technology-(Abstract Only)
    Kitchen, N.R. 2011. Precision agricultural systems: a model of integrative science and technology. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual International Meeting, October 16-19, 2011, San Antonio, Texas. 2011 180-9.
    
  • Yield, energy production, and nitrogen loss potential of grain and switchgrass cropping systems compared over claypan soil landscapes-(Abstract Only)
    Allphin, E.B., Kitchen, N.R., Thompson, A. 2011. Yield, energy production, and nitrogen loss potential of grain and switchgrass cropping systems compared over claypan soil landscapes [abstract]. ASA-CSSA-SSSA Annual International Meeting, October 16-19, 2011, San Antonio, Texas. 57-5.
    
  • Soil Survey Grain Productivity and Productivity Risk Assessment with Yield Map Data-(Abstract Only)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Young, F. 2011. Soil Survey Grain Productivity and Productivity Risk Assessment with Yield Map Data [abstract]. ASA-CSSA-SSSA International Meeting, October 16-19, 2011, San Antonio, Texas. 369-4.
    
  • Large Extent Spatial Models of Grain Yield: Where Are the Marginal Areas?-(Abstract Only)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Young, F. 2011. Large Extent Spatial Models of Grain Yield: Where Are the Marginal Areas? [abstract]. ASA-CSSA-SSSA International Meeting, October 16-19, 2011, San Antonio, Texas. 262-7.
    
  • Knowledge-based soil inference modeling for estimating soil productivity and grain yield in north-central Missouri-(Abstract Only)
    Young, F., Myers, D.B., Kitchen, N.R. 2011. Knowledge-based soil inference modeling for estimating soil productivity and grain yield in north-central Missouri [abstract]. ASA-CSSA-SSSA Annual International Meeting, October 16-19, 2011, San Antonio, Texas. 264-9.
    
  • Sensor-based nitrogen applications out-performed producer-chosen rates for corn in on-farm demonstrations-(Abstract Only)
    Scharf, P., Shannon, K., Sudduth, K.A., Kitchen, N.R. 2011. Sensor-based nitrogen applications out-performed producer-chosen rates for corn in on-farm demonstrations [abstract]. ASA-CSSA-SSSA Annual International Meeting, October 16-19, 2011, San Antonio, Texas. 358-10.
    
  • Peak functions for modeling high resolution soil profile data-(Peer Reviewed Journal)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Miles, R.J., Sadler, E.J., Grunwald, S. 2011. Peak functions for modeling high resolution soil profile data. Geoderma. 166(1):74-83. DOI:10.1016/j.geoderma.2011.07.014.
    
  • Estimation of soil quality characteristics using reflectance spectroscopy-(Proceedings)
    Sheridan, A.H., Sudduth, K.A., Kitchen, N.R., Kremer, R.J. 2011. Estimation of soil quality characteristics using reflectance spectroscopy. ASABE Annual International Meeting, August 7-10, 2011, Louisville, Kentucky. Paper No. 1111544.
    
  • Conservation practices to mitigate and adapt to the effects of climate change-(Peer Reviewed Journal)
    Delgado, J.A., Secchi, S., Groffman, P., Nearing, M.A., Goddard, T., Reicocky, D., Lal, R., Salon, P., Kitchen, N.R., Rice, C., Towery, D. 2011. Conservation practices to mitigate and adapt to the effects of climate change. Journal of Soil and Water Conservation Society. 66(a):118A-129A.
    
  • Conservation Practices to Mitigate and Adapt to Climate Change. Poster Demonstration-(Abstract Only)
    Delgado, J.A., Groffman, P., Nearing, M.A., Goddard, T., Reicosky, D., Lal, R., Kitchen, N.R., Rice, C., Towery, D. 2011. Conservation Practices to Mitigate and Adapt to Climate Change. Poster Demonstration. Soil Science Society of America Annual Meeting. p. 1.
    
  • Mapping Conductivity-Depth Relationships by Combining Proximal and Penetrating ECa Sensors-(Proceedings)
    Sudduth, K.A., Myers, D.B., Kitchen, N.R., Drummond, S.T. 2011. Mapping Conductivity-Depth Relationships by Combining Proximal and Penetrating ECa Sensors. In: Adamchuk, V.I., Viscarra, R.A., editors. Proceedings of the 2nd Global Workshp on Proximal Soil Sensing, May 15-18, 2011, Montreal, Canada. pp. 32-35.
    
  • Conservation Practices to Mitigate and Adapt to Climate Change. Poster Demonstration-(Abstract Only)
    Delgado, J.A., Groffman, P., Nearing, M.A., Goddard, T., Reicosky, D., Lal, R., Kitchen, N.R., Rice, C., Towery, D. 2011. Conservation Practices to Mitigate and Adapt to Climate Change. Poster Demonstration. Soil and Water Conservation Society. p. 1.
    
  • Assessing the impact of long-term cultivation on runoff, pollutant load, and crop yields-(Abstract Only)
    
    
  • Promoting landscape-based crop management for food, feed, and bioenergy with precision agriculture technologies-(Abstract Only)
    
    
  • Growing the science of agronomy by growing the profession: a Message from the President of the American Society of Agronomy-(Proceedings)
    Kitchen, N.R. 2011. Growing the science of agronomy by growing the profession: a Message from the President of the American Society of Agronomy. In: Proceedings of Indo-US Workshop on Precision Agriculture, February 28-March 3, 2011, Ludhiana, India. p. 15-16.
    
  • Mapping the soil health of agricultural fields via soil electrical conductivity-()
    Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Myers, D.B. 2011. Mapping the soil health of agricultural fields via soil electrical conductivity. Fast Times: News for the Near Surface Geophysical Sciences. 15(4):41-47.
    
  • Use of GIS-based Site-specific Nitrogen Management for Improving Energy Efficiency-()
    Bronson, K.F., Scharf, P.C., Kitchen, N.R. 2011. Use of GIS-based site-specific nitrogen management for improving energy efficiency. In: Clay, D.E., Shanahan, J.F., editors. GIS Applications in Agriculture, Volume Two, Nutrient Management for Energy Efficiency. Boca Raton, FL:CRC Press. p. 359-384.
    
  • Sensing Corn for Nitrogen Fertilizer Need Makes Sense-()
    Kitchen, N.R. 2010. Sensing Corn for Nitrogen Fertilizer Need Makes Sense. CSA News. 55(2):10.
    
  • Integration of an Active Sensor Algorithm with Soil-Based Management Zones for Nitrogen Management in Corn-(Abstract Only)
    Roberts, D., Shanahan, J., Ferguson, R., Adamchuk, V., Kitchen, N.R. 2010. Integration of an Active Sensor Algorithm with Soil-Based Management Zones for Nitrogen Management in Corn [abstract]. ASA-CSSA-SSSA Annual International Meeting, October 31-November 4, 2011, Long Beach, CA. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 316-7.
    
  • What do you do when your N-rich reference fails?-(Proceedings)
    Kitchen, N.R., Sudduth, K.A., Drummond, S.T., Sheridan, A.H. 2010. What do you do when your N-rich reference fails?. In: Proceddings of North Central Extension Industry Soil Fertility Conference, November 17-18, 2010, Des Moines, Iowa. p. 52-59.
    
  • Herbicide transport in Goodwater Creek experimental watershed: I. long-term research on atrazine-(Peer Reviewed Journal)
    Lerch, R.N., Sadler, E.J., Sudduth, K.A., Baffaut, C., Kitchen, N.R. 2010. Herbicide transport in Goodwater Creek experimental watershed: I. long-term research on atrazine. Journal of the American Water Resources Association. 47(2):209-223.
    
  • Herbicide transport trends in Goodwater Creek experimental watershed II: acetochlor, alachlor, metolachlor, and metribuzin-(Peer Reviewed Journal)
    Lerch, R.N., Sadler, E.J., Baffaut, C., Kitchen, N.R., Sudduth, K.A. 2010. Herbicide transport trends in Goodwater Creek experimental watershed II: acetochlor, alachlor, metolachlor, and metribuzin. Journal of the American Water Resources Association. 47(2):224-238.
    
  • Biofuel feedstock from claypan soils for annual grain and perennial switchgrass-(Abstract Only)
    Landers, G.W., Thompson, A., Kitchen, N.R., Massey, R.E., Brune, D.E. 2011. Biofuel feedstock from claypan soils for annual grain and perennial switchgrass [abstract]. Soil and Water Conservation Society Workshop, September 28-30, 2010, Atlanta, Georgia. p. 17.
    
  • Assessing Production and Ecosystem Function for Grain and Bioenergy Feedstock Crops Across Variable Soil Landscapes-(Abstract Only)
    Kitchen, N.R., Sudduth, K.A., Sadler, E.J., Kremer, R.J., Baffaut, C., Myers, D.B., Lerch, R.N. 2010. Assessing Production and Ecosystem Function for Grain and Bioenergy Feedstock Crops Across Variable Soil Landscapes [abstract]. 2010 Soil and Water Conservation Society's Sustainable Feedstocks for Advanced Biofuels Workshop Final Program & Abstract Book. p. 28-29.
    
  • Use of GIS-based site-specific nitrogen management for improving energy efficiency-()
    Scharf, P.C., Kitchen, N.R. 2011. Use of GIS-based site-specific nitrogen management for improving energy efficiency. In: Clay, D. E., Shanahan, J. F., editors. GIS Applications in Agriculture. Volume Two: Nutrient Management for Energy Efficience. Boca Raton, FL: CRC Press. p. 359-384.
    
  • Analyzing Landscape Effects on Corn and Soybean Yield and Yield Risk from a Large Yield Monitor Dataset-(Abstract Only)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Tracy, P., Sadler, E.J., Young, F. 2011. Analyzing Landscape Effects on Corn and Soybean Yield and Yield Risk from a Large Yield Monitor Dataset [abstract]. ASA-CSSA-SSSA 2010 International Meeting, October 31-November 4, 2010. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 177-8.
    
  • Nitrogen Loss in Corn Production Varies as a Function of Topsoil Depth-(Proceedings)
    Allphin, E.B., Kitchen, N.R., Sudduth, K.A., Thompson, A.L. 2010. Nitrogen Loss in Corn Production Varies as a Function of Topsoil Depth. 10th International Conference on Precision Agriculture, July 18-21, 2010, Denver, Colorado. 2010 CDROM.
    
  • Canopy Reflectance Sensing as Impacted by Corn Hybrid Growth-(Proceedings)
    Sheridan, A.H., Kitchen, N.R., Sudduth, K.A. 2010. Canopy Reflectance Sensing as Impacted by Corn Hybrid Growth. In: 10th International Conference on Precision Agriculture, July 18-21, Denver, Colorado. Available: http://www.icpaonline.org/finalpdf/abstract_213.pdf.
    
  • Comparison of Three Canopy Reflectance Sensors for Variable-Rate Nitrogen Application in Corn-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Drummond, S.T. 2010. Comparison of Three Canopy Reflectance Sensors for Variable-Rate Nitrogen Application in Corn. In: Proceedings of the 10th International Conference on Precision Agriculture, 18-21 July, 2010. Denver, Colorado. 2010 CDROM.
    
  • Is a Nitrogen-rich Reference Needed for Canopy Sensor-based Corn Nitrogen Applications?-(Proceedings)
    Kitchen, N.R., Sudduth, K.A., Drummond, S.T. 2010. Is a Nitrogen-rich Reference Needed for Canopy Sensor-based Corn Nitrogen Applications?. International Conference on Precision Agriculture Abstracts & Proceedings. Available: http://www.icpaonline.org/finalpdf/abstract_213.pdf
    
  • Calibration Methods for Soil Property Estimation Using Reflectance Spectroscopy-(Peer Reviewed Journal)
    Lee, K., Sudduth, K.A., Drummond, S.T., Lee, D., Kitchen, N.R., Chung, S. 2010. Calibration Methods for Soil Property Estimation Using Reflectance Spectroscopy. Transactions of the ASABE. 53(3):675-684.
    
  • Site-Specific Compaction, Soil Physical Property, and Crop Yield Relationships for Claypan Soils-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Chung, S., Drummond, S.T. 2010. Site-Specific Compaction, Soil Physical Property, and Crop Yield Relationships for Claypan Soils. ASABE Annual International Meeting, June 20-June 23, 2010, Pittsburgh, Pennsylvania. Paper No. 1009432.
    
  • A Crop and Soil Strategy for Sensor-Based Variable-Rate Nitrogen Management-(Proceedings)
    Roberts, D.F., Shanahan, J.F., Ferguson, R.B., Adamchuk, V.I., Kitchen, N.R. 2010. A Crop and Soil Strategy for Sensor-Based Variable-Rate Nitrogen Management. International Conference on Precision Agriculture Abstracts & Proceedings.
    
  • Estimating depth to argillic soil horizons using apparent electrical conductivity-(Peer Reviewed Journal)
    Sudduth, K.A., Kitchen, N.R., Myers, D.B., Drummond, S.T. 2010. Estimating depth to argillic soil horizons using apparent electrical conductivity. Journal of Environmental & Engineering Geophysics. 15(3):135-146.
    
  • Precision Nitrogen Fertilizer Management of Maize and Cotton Using Crop Sensors-(Proceedings)
    Scharf, P., Kitchen, N.R., Sudduth, K.A., Lory, J., Stevens, G.W., Oliveira, L., Shannon, M., Palm, H., Davis, G.J., Vories, E.D., Dunn, D. 2010. Precision Nitrogen Fertilizer Management of Maize and Cotton Using Crop Sensors. In: Proceedings of the 19th World Congress of Soil Science, August 1- 6, 2010, Brisbane, Australia. p.29-32.
    
  • Managing Claypan Soils: Annual Grain Crops vs. Perennial Switchgrass-(Abstract Only)
    Landers, G.W., Thompson, A., Kitchen, N.R. 2010. Managing Claypan Soils: Annual Grain Crops vs. Perennial Switchgrass [abstract]. 65th Soil and Water Conservation Society's International Conference Program and Abstract Book. Paper No. 57.
    
  • Can APEX Represent In-Field Spatial Variability and Simulate Its Effects On Crop Yields?-(Abstract Only)
    Baffaut, C., Sadler, E.J., Mugdal, A., Steven, A.H., Sudduth, K.A., Kitchen, N.R. 2011. Can APEX Represent In-Field Spatial Variability and Simulate Its Effects On Crop Yields? [abstract]. ASABE Annual International Meeting, August 8-10, 2012, Louisville, Kentucky. 1111424.
    
  • Delineation of Critical Areas and Developing Best Management Scenarios for a Field Using Simulation Model APEX-(Abstract Only)
    Mudgal, A., Baffaut, C., Anderson, S.H., Sadler, E.J., Kitchen, N.R. 2010. Delineation of Critical Areas and Developing Best Management Scenarios for a Field Using Simulation Model APEX [abstract]. Soil and Water Conservation Society, July 18-21, 2010, St. Louis, Missouri. Available: http://www.swcs.org/documents/filelibrary/10ac/2010_Oral_Presentation_Abstracts_566DF5164F928.pdf
    
  • APEX Simulations of Productivity for 9 Cropping Systems over 19 Years in 3 Claypan Landscape Positions-(Abstract Only)
    Sadler, E.J., Baffaut, C., Kitchen, N.R., Sudduth, K.A., Mudgal, A. 2010. APEX Simulations of Productivity for 9 Cropping Systems over 19 Years in 3 Claypan Landscape Positions [abstract]. Soil and Water Conservation Society Annual Conference, July 18-21, 2010, St. Louis, Missouri. Available: http://www.swcs.org/documents/filelibrary/10ac/2010_Oral_Presentation_Abstracts_566DF5164F928.pdf.
    
  • Effects of long-term soil and crop management on soil hydraulic properties for claypan soils-(Peer Reviewed Journal)
    Mudgal, A., Anderson, S.H., Baffaut, C., Kitchen, N.R., Sadler, E.J. 2010. Effects of long-term soil and crop management on soil hydraulic properties for claypan soils. Journal of Soil and Water Conservation Society. 65(6):393-403.
    
  • Economic and environmental implications of sensor-based N management-()
    Roberts, D.F., Kitchen, N.R., Sudduth, K.A., Drummond, S.T., Scharf, P.C. 2010. Economic and Environmental Implications of Sensor-based N Management. Better Crops With Plant Food. XCIV (94):4-6.
    
  • Effects of Long-term Soil and Crop Management on Soil Hydraulic Properties for Claypan Soils -(Abstract Only)
    Mudgal, A., Anderson, S.H., Baffaut, C., Kitchen, N.R., Sudduth, K.A., Sadler, E.J. 2009. Effects of Long-term Soil and Crop Management on Soil Hydraulic Properties for Claypan Soils [abstract]. USDA-CSREES National Water Quality Conference, February 8-12, 2009, St Louis, Missouri. Available: http://www.usawaterquality.org/conferences/2009/ceap/html.
    
  • What are the Benefits of Canopy Sensing for Variable-Rate Nitrogen Corn Fertilization?-(Proceedings)
    Kitchen, N.R., Roberts, D.F., Sudduth, K.A., Drummond, S.T., Scharf, P.C. 2009. What are the Benefits of Canopy Sensing for Variable-Rate Nitrogen Corn Fertilization?. North Central Extension Industry Soil Fertility Conference Proceedings. 25:173-180.
    
  • Herbicide Transport to Surface Runoff from a Claypan Soil: Scaling from Plots to Fields-(Peer Reviewed Journal)
    Ghidey, F., Baffaut, C., Lerch, R.N., Kitchen, N.R., Sadler, E.J., Sudduth, K.A. 2010. Herbicide Transport to Surface Runoff from a Claypan Soil: Scaling from Plots to Fields. Journal of Soil and Water Conservation. 65(3):168-179.
    
  • Soil Compaction Varies by Crop Management System over a Claypan Soil Landscape-(Peer Reviewed Journal)
    Jung, K., Kitchen, N.R., Sudduth, K.A., Lee, K., Chung, S. 2009. Soil Compaction Varies by Crop Management System over a Claypan Soil Landscape. Soil and Tillage Research. 107:1-10.
    
  • Geophysical Sensing Applications on Claypan Soils-(Abstract Only)
    Sudduth, K.A., Kitchen, N.R., Myers, D.B., Drummond, S.T. 2009. Geophysical Sensing Applications on Claypan Soils [abstract]. In. Proceedings of Bouyoucos Conference for the Advancement of Geophysical Technologies Applied to Agroecosystems.
    
  • SWAT Development for Simulating Flow and Pesticide Movement in a Large Claypan Watershed-(Abstract Only)
    Baffaut, C., Sadler, E.J., Lerch, R.N., Kitchen, N.R., Sudduth, K.A. 2009. SWAT Development for Simulating Flow and Pesticide Movement in a Large Claypan Watershed [abstract]. In: 5th Annual International Soil and Water Assessment Tool Conference, August 5-7, 2009, Boulder, Colorado. p. 123.
    
  • Sensor-based mapping of soil quality on degraded claypan landscapes of the central United States-()
    Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Myers, D.B. 2010. Sensor-based mapping of soil quality on degraded claypan landscapes of the central United States. In: Viscarra Rossel, R. A., McBratney, Alex B., and Minasny, B. Proximal Soil Sensing, Volume 1. New York: Springer. p. 363-373.
    
  • Narrowing the Soil-Sample to Fertilizer-Application Gap Using Soil Sensors-(Abstract Only)
    Kitchen, N.R., Adamchuk, V.I., Sudduth, K.A. 2009. Narrowing the Soil-Sample to Fertilizer-Application Gap Using Soil Sensors [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts November 1-5, 2009, Pittsburgh, Pennsylvania.
    
  • Crop Sensors to Control Variable-Rate N Applications: Five Years of On-Farm Demonstrations-(Abstract Only)
    Scharf, P., Shannon, K., Palm, H., Sudduth, K.A., Kitchen, N.R., Drummond, S.T. 2009. Crop Sensors to Control Variable-Rate N Applications: Five Years of On-Farm Demonstrations [abstract]. ASA-CSSA-SSSA Annual Conference, November 1-5, 2009, Pittsburgh, Pennsylvania. 09:55775
    
  • Fertilizer Input Costs: Perceptions and Strategies-(Abstract Only)
    Scharf, P., Massey, R.E., Abendroth, J., Kitchen, N.R., Sudduth, K.A. 2009. Fertilizer Input Costs: Perceptions and Strategies [abstract]. ASA-CSSA-SSSA Annual Conference, November 1-5, 2009, Pittsburgh, Pennsylvania. 09:54818.
    
  • A Precision Nitrogen Management Approach to Minimize Impacts-(Abstract Only)
    Scharf, P., Kitchen, N.R., Bronson, K. 2009. A Precision Nitrogen Management Approach to Minimize Impacts [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts November 1-5, 2009, Pittsburgh, Pennsylvania.
    
  • Wavelength Identification and Diffuse Reflectance Estimation for Surface and Profile Soil Properties-(Peer Reviewed Journal)
    Lee, K.S., Lee, D.H., Sudduth, K.A., Chung, S.O., Kitchen, N.R., Drummond, S.T. 2009. Wavelength Identification and Diffuse Reflectance Estimation for Surface and Profile Soil Properties. Transactions of the ASABE. 52(3):683-695.
    
  • Identification of Field-Level Critical Management Areas for Implementing Best Management Practices for the Central Claypan-(Abstract Only)
    Mudgal, A., Baffaut, C., Anderson, S.H., Sadler, E.J., Kitchen, N.R., Thompson, A.T. 2009. Identification of Field-Level Critical Management Areas for Implementing Best Management Practices for the Central Claypan [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. Paper No. 54181.
    
  • Within-field Corn Nitrogen Response Related to Aerial Photograph Color-(Peer Reviewed Journal)
    Williams, J.D., Kitchen, N.R., Scharf, P.C., Stevens, W.E. 2009. Within-field Corn Nitrogen Response Related to Aerial Photograph Color. Precision Agriculture. 11:291-305.
    
  • Ground-Based Canopy Reflectance Sensing for Variable-Rate Nitrogen Corn Fertilization-(Peer Reviewed Journal)
    Kitchen, N.R., Sudduth, K.A., Drummond, S.T., Scharf, P.C., Palm, H.L., Roberts, D.F., Vories, E.D. 2010. Ground-Based Canopy Reflectance Sensing for Variable-Rate Nitrogen Corn Fertilization. Agronomy Journal. 102:71-84.
    
  • Will Variable-Rate Nitrogen Fertilization Using Corn Canopy Reflectance Sensing Deliver Environmental Benefits?-(Peer Reviewed Journal)
    Roberts, D.F., Kitchen, N.R., Scharf, P.C., Sudduth, K.A. 2010. Will Variable-Rate Nitrogen Fertilization Using Corn Canopy Reflectance Sensing Deliver Environmental Benefits? Agronomy Journal. 102:85-95.
    
  • Environmental Implications of Increased Bioenergy Production on Midwest Soil Landscapes -(Proceedings)
    Kitchen, N.R., Sudduth, K.A., Sadler, E.J., Kremer, R.J., Baffaut, C., Myers, D.B. 2009. Environmental Implications of Increased Bioenergy Production on Midwest Soil Landscapes. In: Proceedings of the University of Missouri Energy Summit, April 22-23, 2009, Columbia, Missouri. p. 180-185.
    
  • Nitrogen: the key to biofuel energy balance-(Abstract Only)
    Scharf, P.C., Palm, H., Kitchen, N.R., Sudduth, K.A. 2009. Nitrogen: the key to biofuel energy balance [abstract]. University of Missouri Energy Summit, April 22-23, 2009, Columbia, Missouri. p. 161.
    
  • Assessing indices for predicting potential nitrogen mineralization in soils under different management systems-(Peer Reviewed Journal)
    Schomberg, H.H., Wietholter, S., Griffin, T.S., Reeves, D.W., Cabrera, M.L., Fisher, D.S., Endale, D.M., Novak, J.M., Balkcom, K.S., Raper, R.L., Kitchen, N.R., Locke, M.A., Potter, K.N., Schwartz, R.C., Truman, C.C., Tyler, D.D. 2009. Assessing indices for predicting potential nitrogen mineralization in soils under different management systems. Soil Science Society of America Journal. 73:1575-1586.
    
  • Combining Proximal and Penetrating Soil Electrical Conductivity Sensors for High Resolution Digital Soil Mapping-()
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Grunwald, S., Miles, R.J., Sadler, E.J., Udawatta, R. 2010. Combining Proximal and Penetrating Soil Electrical Conductivity Sensors for High Resolution Digital Soil Mapping. In: Viscarra Rossel, R. A., McBratney, Alex B., and Minasny, B. Proximal Soil Sensing, Volume 1. New York: Springer. p. 233-243.
    
  • Corn Nitrogen Response Across a Claypan Landscape Using Polymer-Coated Urea and Anhydrous Ammonia-(Peer Reviewed Journal)
    Noellsch, A.J., Motavalli, P.P., Nelson, K.A., Kitchen, N.R. 2009. Corn Nitrogen Response Across a Claypan Landscape Using Polymer-Coated Urea and Anhydrous Ammonia. Agronomy Journal. 101:607-614.
    
  • Economic and Environmental Benefits of Canopy Sensing for Variable-Rate Nitrogen Corn Fertilization-(Proceedings)
    Kitchen, N.R., Shanahan, J.F., Roberts, D.F., Sudduth, K.A., Scharf, P.C., Ferguson, R.B., Adamchuk, V. 2009. Economic and Environmental Benefits of Canopy Sensing for Variable-Rate Nitrogen Corn Fertilization. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual International Meeting, June 21-24, 2009, Reno, Nevada. Available: http://asae.frymulti.com/abstract.asp?aid=27259&t=1.
    
  • Estimating Depth to Argillic Soil Horizons using Apparent Electrical Conductivity Response Functions-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Myers, D.B., Drummond, S.T. 2009. Estimating Depth to Argillic Soil Horizons using Apparent Electrical Conductivity Response Functions. In: Proceedings of 22nd Symposium on Application of Geophysics to Engineering and Environmental Problems. p. 840-849
    
  • Estimating depth to argillic soil horizons using apparent electrical conductivity response functions-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Myers, D.B., Drummond, S.T. 2009. Estimating depth to argillic soil horizons using apparent electrical conductivity response functions. In Proc. 22nd Symposium on the Application of Geophysics to Engineering and Environmental Problems, March 29-April 2, 2009, Ft. Worth, Texas, CD-ROM.
    
  • Improved Canopy Sensor-based Corn Nitrogen Recommendations Using Auxiliary Information-(Abstract Only)
    
    
  • Nutrient Sources and Transport from the Goodwater Creek Experimental Watershed-(Proceedings)
    Baffaut, C., Sadler, E.J., Lerch, R.N., Kitchen, N.R. 2009. Nutrient Sources and Transport from the Goodwater Creek Experimental Watershed. In: Proceedings of the ASABE Annual International Meeting, June 21-24, 2009, Reno, Nevada.
    
  • VNIR Spectroscopy Estimation of Soil Quality Indicators-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Kremer, R.J. 2009. VNIR Spectroscopy Estimation of Soil Quality Indicators. ASABE Annual International Meeting Technical Papers. ASABE, St. Joseph, Michigan. Paper No. 097019. Available: http://asae.frymulti.com/azdez.asp?search =1&JID=5&AID=27285&CID=reno2009&v=&i=&T=1
    
  • Analysis of long term nutrient transport from the Goodwater Creek Experimental Watershed-(Abstract Only)
    Baffaut, C., Sadler, E.J., Lerch, R.N., Kitchen, N.R. 2008. Analysis of long term nutrient transport from the Goodwater Creek Experimental Watershed [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. October 5-9, 2008, Houston, TX.
    
  • VNIR Spectroscopy estimates of within-field variability in soil properties-()
    Sudduth, K.A., Kitchen, N.R., Sadler, E.J., Drummond, S.T., Myers, D.B. 2010. VNIR Spectroscopy estimates of within-field variability in soil properties. Book Chapter. In: Viscarra Rossel, R. A., McBratney, Alex B., and Minasny, B. Proximal Soil Sensing, Volume 1. New York: Springer. p. 153-163.
    
  • Contrasting grain crop and grassland management effects on soil quality properties for a North-Central Missouri claypan soil landscape.-(Peer Reviewed Journal)
    Jung, W.K., Kitchen, N.R., Sudduth, K.A., Kremer, R.J. 2008. Contrasting grain crop and grassland management effects on soil quality properties for a North-Central Missouri claypan soil landscape. Soil Science and Plant Nutrition. 54(6):960-971.
    
  • Nitrogen Management to Increase Profitability and Reduce Environmental Impact: A Case for Sensors-(Proceedings)
    Kitchen, N.R. 2008. Nitrogen Management to Increase Profitability and Reduce Environmental Impact: A Case for Sensors. In: Proceedings of the 16th Congress of Aapresid, August 12-15, 2008, Rosario, Argentina. p. 119-126.
    
  • Strategic Management of Geo-Referenced Soil and Crop Information-(Proceedings)
    Kitchen, N.R. 2008. Strategic Management of Geo-Referenced Soil and Crop Information. In: Proceedings of the 16th Congress of Aapresid, August 12-15, 2008, Rosario, Argentina. p. 159-164.
    
  • Bayesian Analysis of Within-Field Variability of Corn Yield Using a Spatial Hierarchical Model-(Peer Reviewed Journal)
    Jiang, P., He, Z., Kitchen, N.R., Sudduth, K.A. 2009. Bayesian Analysis of Within-Field Variability of Corn Yield Using a Spatial Hierarchical Model. Precision Agriculture. 10(2):111–127.
    
  • Using Precision Agriculture Methods to Predict Soil Suitability for Rainfed Corn Production-(Proceedings)
    Vories, E., Kitchen, N., Sudduth, K., Sadler, E., Griffin, T., Stevens, G., Dunn, D. 2008. Using precision agriculture methods to predict soil suitability for rainfed corn production. In: ASABE Annual International Meeting Technical Papers. American Society for Agricultural and Biological Engineers International Meeting, June 28-July 2, 2008, Providence, Rhode Island. Paper No. 084437.
    
  • Components of an Optimal Algorithm For Canopy-Sensed Corn Nitrogen Rate-(Abstract Only)
    Kitchen, N.R., Sudduth, K.A., Drummond, S.T., Scharf, P.C., Palm, H., Shannon, K.D., Vories, E.D. 2008. Components of an Optimal Algorithm For Canopy-Sensed Corn Nitrogen Rate [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. October 5-9, 2008, Houston, TX. Paper No. 084437.
    
  • Multi-Sensor Estimation of Claypan Soil Profile Properties-(Abstract Only)
    Myers, D.B., Miles, R.J., Kitchen, N.R., Sudduth, K.A., Sadler, E.J., Grunwald, S. 2008. Multi-Sensor Estimation of Claypan Soil Profile Properties [abstract]. In: 9th International Conference on Precision Agriculture Conference Abstracts. 9th International Conference on Precision Agriculture, July 20-23, 2008, Denver, Colorado. p. 200.
    
  • SOIL ELECTRICAL CONDUCTIVITY AS A MANAGEMENT TOOL IN PRECISION FORESTRY -(Proceedings)
    Palm, H.L., Stelzer, H.E., Sudduth, K.A., Kitchen, N.R., Drummond, S.T. 2008. Soil electrical conductivity as a management tool in precision forestry. In. Proceedings of the 9th International Conference on Precision Agriculture, July 20-23, 2008, Denver, Colorado. 2008 CDROM.
    
  • ASSESSING INTRA- AND INTER-FIELD VARIABILITY OF CORN NITROGEN FERTILIZER NEED USING GROUND-BASED REFLECTANCE SENSORS-(Proceedings)
    Kitchen, N.R., Sudduth, K.A., Drummond, S.T., Scharf, P.C., Palm, H.L., Shannon, D.K. 2008. Assessing intra- and inter-field variability of corn nitrogen fertilizer need using ground-based reflectance sensors. In. Proceedings of the 9th International Conference on Precision Agriculture. 9th International Conference on Precision Agriculture, July 20-23, 2008, Denver, Colorado. 2008 CDROM.
    
  • Sampling and Calibration Requirements for Soil Property Estimation Using Reflectance Spectroscopy-(Proceedings)
    Lee, K., Lee, D., Sudduth, K.A., Chung, S., Kitchen, N.R., Drummond, S.T. 2008. Sampling and Calibration Requirements for Soil Property Estimation Using Reflectance Spectroscopy. In: ASABE Annual International Meeting Technical Papers. American Society of Agricultural and Biological Engineers Annual International Meeting, June 29-July 2, 2008, Providence, Rhode Island. Paper No. 084037.
    
  • Helping Growers to Demo Nitrogen Sensors -(Abstract Only)
    Scharf, P.C., Shannon, D.K., Palm, H.L., Sudduth, K.A., Drummond, S.T., Kitchen, N.R. 2008. Helping Growers to Demo Nitrogen Sensors [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual International Meeting. October 5-9, 2008, Houston, TX.
    
  • VNIR SPECTROSCOPY FOR ESTIMATION OF WITHIN-FIELD VARIABILITY IN SOIL PROPERTIES-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Sadler, E.J., Drummond, S.T., Myers, D.B. 2008. VNIR spectroscopy for estimation of within-field variability in soil properties. In: Proceedings of the First Global Worshop on High Resolution Digital Soil Sensing and Mapping. February 5-8, 2008. Sydney, Australia. 2008 CDROM
    
  • What’s The Right Amount of N? Using Sensors May Provide Better Answers-()
    Kitchen, N.R. 2008. What’s The Right Amount of N? Using Sensors May Provide Better Answers. Fluid Journal. 16(2):60.
    
  • SOIL BIN AND FIELD TESTS OF AN ON-THE-GO SOIL STRENGTH PROFILE SENSOR-(Peer Reviewed Journal)
    Chung, S.O., Sudduth, K.A., Plouffe, C., Kitchen, N.R. 2008. Soil bin and field tests of an on-the-go soil strength profile sensor. Transactions of the ASABE. 51(1):5-18.
    
  • SENSOR-BASED MAPPING OF SOIL QUALITY ON DEGRADED EPIAQUALF LANDSCAPES-(Proceedings)
    Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Brent, M.D. 2008. Sensor-based mapping of soil quality on degraded epiaqualf landscapes. In: Proc. First Global Worshop on High Resolution Digital Soil Sensing and Mapping. February 5-8, Sydney, Australia [CDROM]. IUSS Working Group on Digital Soil Mapping. 2008.
    
  • COMBINING PROXIMAL AND PENETRATING CONDUCTIVITY SENSORS FOR HIGH RESOLUTION SOIL MAPPING -(Proceedings)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Grunwald, S., Miles, R.J., Sadler, E.J., and Udawatta, R. 2008. Combining proximal and penetrating conductivity sensors for high resolution soil mapping. In: Proceedings of the First Global Workshop on High Resolution Digital Soil Sensing and Mapping, February 5-8, Sydney, Austrailia. 2008 CDROM.
    
  • ESTIMATING PLANT-AVAILABLE WATER USING THE SIMPLE INVERSE YIELD MODEL FOR CLAYPAN LANDSCAPES-(Peer Reviewed Journal)
    Jiang, P., Kitchen, N.R., Anderson, S.H., Sudduth, K.A., Sadler, E.J. 2008. Estimating plant-available water using the simple inverse yield model for claypan landscapes. Agronomy Journal. 100:830-836.
    
  • OVERVIEW OF THE MARK TWAIN LAKE/SALT RIVER BASIN CONSERVATION EFFECTS ASSESSMENT PROJECT-(Peer Reviewed Journal)
    Lerch, R.N., Sadler, E.J., Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Myers, D.B., Baffaut, C., Anderson, S.A., Lin, C. 2008. Overview of the Mark Twain Lake/Salt River basin Conservation Effects Assessment Project. Journal of Soil and Water Conservation. 63(6):345-359.
    
  • LIMITATIONS OF EVALUATING THE EFFECTIVENESS OF AGRICULTURAL MANAGEMENT PRACTICES AT REDUCING NUTRIENT LOSSES TO SURFACE WATERS -()
    Mulla, D.J., Birr, A.S., Kitchen, N.R., David, M.B. 2008. Limitations of evaluating the effectiveness of agricultural management practices at reducing nutrient losses to surface waters. In: Laing, G., editor. Final Report: Gulf Hypoxia and Local Water Quality Concerns Workshop. St. Joseph, MI: American Society of Agricultural and Biological Engineers. p. 189-212.
    
  • PROVEN PRACTICES AND INNOVATIVE TECHNOLOGIES FOR ON-FARM CROP NITROGEN MANAGEMENT-()
    Kitchen, N.R., Goulding, K.T., Shanahan, J.F. 2008. Proven practices and innovative technologies for on-farm crop nitrogen management. In: Hatfield, J.L., Follett R.F., editors. Nitrogen in the Environment. Amsterdam, Netherlands: Elsevier Science. p. 483-517.
    
  • Optimizing Crop N Use Efficiency Using a Variable Source N Fertilizer Application Strategy-(Abstract Only)
    Noellsch, A., Motavalli, P., Nelson, K., Kitchen, N.R., Anderson, S., Scharf, P., Tracey, P. 2007. Optimizing Crop N Use Efficiency Using a Variable Source N Fertilizer Application Strategy [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 4-8, 2007, New Orleans, LA. Paper No. 103-5.
    
  • EMERGING TECHNOLOGIES FOR REAL-TIME AND INTEGRATED AGRICULTURE DECISIONS-(Peer Reviewed Journal)
    Kitchen, N.R. 2008. Emerging technologies for real-time and integrated agriculture decisions. Computers and Electronics in Agriculture. 61(1):1-3.
    
  • Precision-Farming Technologies Used to Identify Land Energy Production Capability-(Abstract Only)
    Kitchen, N. R., Sudduth, K. A., Myers, D. B. 2007. Precision-Farming Technologies Used to Identify Land Energy Production Capability [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 4-8, 2007, New Orleans, LA. 2007.
    
  • Field-Scale N Application Using Crop Reflectance Sensors-(Abstract Only)
    Sudduth, K. A., Kitchen, N. R., Scharf, P. C., Palm, H., Shannon, D. K. 2007. Field-Scale N Application Using Crop Reflectance Sensors [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 4-8, 2007, New Orleans, LA. Paper No. 153-7.
    
  • Estimating Plant-Available Water Using a Simple Inverse Yield Model for Claypan-Soil Landscapes-(Abstract Only)
    Jiang, P., Kitchen, N. R., Anderson, S. H., Sadler, E. J., Sudduth, K. A. 2007. Estimating Plant-Available Water Using a Simple Inverse Yield Model for Claypan-Soil Landscapes [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov 4-8, 2007, New Orleans, LA. Paper No. 305-3
    
  • REAL-TIME SENSOR-GUIDED SIDEDRESSING OF CORN: THREE YEARS OF ON-FARM TESTING-(Abstract Only)
    Scharf, P.C., Kitchen, N.R., Sudduth, K.A., Palm, H., Shannon, K. 2007. Real-time sensor-guided sidedressing of corn: three years of on-farm testing [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting, Nov. 4-8, 2007, New Orleans, LA. Paper No. 101-8.
    
  • Optical Sensor Based Corn Algorithm Evaluation-(Abstract Only)
    Mullen, R., Kitchen, N.R., Raun, W., Schepers, J.S., Thomason, W., Phillips, S., Mengel, D. 2007. Optical Sensor Based Corn Algorithm Evaluation [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. Nov. 4-8, 2007, New Orleans, LA. Paper No. 101-3.
    
  • ALTERNATIVES TO USING A REFERENCE STRIP FOR REFLECTANCE-BASED NITROGEN APPLICATION IN CORN-(Abstract Only)
    
    
  • MULTI-DISCIPLINARY TEAMS - A NECESSITY FOR RESEARCH IN PRECISION AGRICULTURE SYSTEMS-(Peer Reviewed Journal)
    Bullock, D.S., Kitchen, N.R., Bullock, D.G. 2007. Multi-disciplinary teams - a necessity for research in precision agriculture systems. Crop Science. 47:1765-1769.
    
  • ESTIMATING PLANT-AVAILABLE WATER CAPACITY FOR CLAYPAN LANDSCAPES USING APPARENT ELECTRICAL CONDUCTIVITY-(Peer Reviewed Journal)
    Jiang, P., Anderson, S.H., Kitchen, N.R., Sudduth, K.A., Sadler, E.J. 2007. Estimating plant-available water capacity for claypan landscapes using apparent electrical conductivity. Soil Science Society of America Journal. 71:1902-1908
    
  • Profitability Maps as an Input for Site-Specific Management Decision Making-(Peer Reviewed Journal)
    Massey, R.E., Myers, D.B., Kitchen, N.R., Sudduth, K.A. 2008. Profitability Maps as an Input for Site-Specific Management Decision Making. Agronomy Journal. 100:52-59.
    
  • RESPONSIVE IN-SEASON NITROGEN MANAGEMENT FOR CEREALS-(Peer Reviewed Journal)
    Shanahan, J.F., Kitchen, N.R., Raun, W., Schepers, J.S. 2008. Responsive in-season nitrogen management for cereals. Computers and Electronics in Agriculture. 61:51-62
    
  • PRECISION MANAGEMENT SYSTEMS FOR CONSERVATION AND PROFITABILITY-(Proceedings)
    Sudduth, K.A., Kitchen, N.R., Sadler, E.J., Kremer, R.J., Lerch, R.N. 2007. Precision management systems for conservation and profitability. Paper No. 071090. ASABE Annual International Meeting Papers. ASABE, St. Joseph, MI. Available: http://asae.frymulti.com/request.asp?search=1&JID=5&AID=22909&CID=min2007&v=&i=&T=2.
    
  • SOYBEAN ROOT DISTRIBUTION RELATED TO CLAYPAN SOIL PROPERTIES AND APPARENT SOIL ELECTRICAL CONDUCTIVITY-(Peer Reviewed Journal)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Miles, R.J., Sharp, R.E. 2007. Soybean root distribution related to claypan soil properties and apparent soil electrical conductivity. Crop Science. 47:1498-1509.
    
  • Analysis of Herbicide Transport from Goodwater Creek Experimental Watershed-(Abstract Only)
    Lerch, R.N., Sadler, E.J., Kremer, R.J., Kitchen, N.R., Alberts, E.E. 2007. Analysis of Herbicide Transport from Goodwater Creek Experimental Watershed [abstract]. Soil and Water Conservation Society Annual Conference, July 21-25, 2007, Tampa, Florida.
    
  • The Mark Twain Lake/Salt River CEAP Project – Progress and Preliminary Findings-(Abstract Only)
    Sadler, E.J., Lerch, R.N., Sudduth, K.A., Kitchen, N.R., Kremer, R.J., Alberts, E.E. 2007. The Mark Twain Lake/Salt River CEAP Project – Progress and Preliminary Findings [abstract]. Soil and Water Conservation Society Annual Conference, July 21-25, 2007, Tampa, Florida.
    
  • INCORPORATING NUTRIENT SENSING TECHNOLOGY IN PRODUCTION AGRICULTURE-(Proceedings)
    Kitchen, N.R. 2007. Incorporating nutrient sensing technology in production agriculture. 2007 Fluid Fertilizer Forum, February 18-20, 2007, Scottsdale, AZ, p.35-40
    
  • NEWLY DEVELOPED TECHNOLOGIES FOR SOIL AND WATER CONSERVATION-()
    Sadler, E.J., Sudduth, K.A., Kitchen, N.R., Lerch, R.N., Kremer, R.J., Vories, E.D. 2005. Newly Developed Technologies for Soil and Water Conservation, Extension 567, Food & Fertilizer Technology Center, P.O. Box 22-149 Taipei 106, Taiwan ROC. 2005.
    
  • LANDSCAPE AND CONSERVATION MANAGEMENT EFFECTS ON HYDRAULIC PROPERTIES ON A CLAYPAN-SOIL TOPOSEQUENCE-(Peer Reviewed Journal)
    Jiang, P., Anderson, S.H., Kitchen, N.R., Sadler, E.J., Sudduth, K.A. 2007. Landscape and conservation management effects on hydraulic properties on a claypan-soil toposequence. Soil Science Society of America Journal. 71:803-811.
    
  • A QUANTITATIVE PEDOLOGY APPROACH TO CONTINUOUS SOIL LANDSCAPE MODELS-(Abstract Only)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Mayhan, B.D., Miles, R.J., Sadler, E.J. 2006. A quantitative pedology approach to continuous soil landscape models [abstracts]. ASA-CSSA-SSSA Annual Meeting. Paper No. 193-4.
    
  • ESTIMATES OF PLANT-AVAILABLE WATER CAPACITY FOR CLAYPAN LANDSCAPES USING SOIL ELECTRICAL CONDUCTIVITY-(Abstract Only)
    Jiang, P., Anderson, S.H., Kitchen, N.R., Sudduth, K.A., Sadler, E.J. 2006. Estimates of plant-available water capacity for claypan landscapes using soil electrical conductivity. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • ECONOMICALLY OPTIMAL NITROGEN RATE REDUCES SOIL RESIDUAL NITRATE-(Abstract Only)
    Hong, N., Scharf, P.C., Davis, J.G., Kitchen, N.R., Sudduth, K.A. 2006. Economically optimal nitrogen rate reduces soil residual nitrate. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • CAN OPTICAL SENSORS REDUCE FIELD N LOSSES?-(Abstract Only)
    Kitchen, N.R., Scharf, P.C., Roberts, D., Sudduth, K.A. 2006. Can optical sensors reduce field N losses?. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • Dissolved Nitrogen and Phosphorus Losses in Surface Runoff from Claypan Soil Watersheds-(Abstract Only)
    Alberts, E.E., Kitchen, N.R., Lerch, R.N., Sadler, E.J. 2006. Dissolved Nitrogen and Phosphorus Losses in Surface Runoff from Claypan Soil Watersheds [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSS Annual Meeting. November 12-16, 2006, Indianapolis, IN. 2006 CDROM.
    
  • AN ENVIRONMENTAL ASSESSMENT OF SENSOR-BASED VARIABLE-RATE NITROGEN MANAGEMENT IN CORN-(Proceedings)
    Roberts, D.R., Kitchen, N.R., Scharf, P.C., Sudduth, K.A. 2006. An environmental assessment of sensor-based variable-rate nitrogen management in corn. North Central Extension Industry Soil Fertility Conference Proceedings.
    
  • CROP MANAGEMENT EFFECTS ON WATER INFILTRATION FOR CLAYPAN SOILS-(Peer Reviewed Journal)
    Jung, W., Kitchen, N.R., Anderson, S., Sadler, E.J. 2007. Crop management effects on water infiltration for claypan soils. Journal of Soil and Water Conservation. 62(1):55-63.
    
  • ECONOMICALLY OPTIMAL NITROGEN RATE REDUCES SOIL RESIDUAL NITRATE-(Peer Reviewed Journal)
    Hong, N., Scharf, P.C., Davis, J.G., Kitchen, N.R., Sudduth, K.A. 2007. Economically optimal nitrogen rate reduces soil residual nitrate. Journal of Environmental Quality. 36:354-362
    
  • USING HISTORICAL MANAGEMENT AREAS TO REDUCE SOIL SAMPLING ERRORS-()
    Clay, D.E., Kitchen, N.R., Carlson, C.G., Kleinjan, J.L. 2007. Using historical management areas to reduce soil sampling errors. In: Pierce, F.J., Clay, D. E., editors. GIS Applications in Agriculture. Boca Raton, FL: CRC Press. p. 49-64.
    
  • TURNING PRECISION AGRICULTURE INFORMATION INTO PRECISION CONSERVATION DECISIONS-(Abstract Only)
    Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Sadler, E.J., Lerch, R.N. 2006. Turning precision agriculture information into precision conservation decisions. Meeting Abstract.
    
  • RELATING SPATIAL VARIATIONS IN SOIL COMPACTION TO SOIL PHYSICAL PROPERTIES AND CROP YIELDS-(Proceedings)
    
    
  • TWO CLASSIFICATION METHODS FOR DEVELOPING AND INTERPRETING PRODUCTIVITY ZONES USING SITE PROPERTIES-(Peer Reviewed Journal)
    Martin, N., Bollero, G.A., Kitchen, N.R., Kravchenko, A.N., Sudduth, K.A., Wiebold, W.J., Bullock, D.G. 2006. Two classification methods for developing and interpreting productivity zones using site properties. Plant and Soil. 288(1-2):357-371.
    
  • VARIABLE SOURCE N FERTILIZER APPLICATIONS TO OPTIMIZE CROP N USE EFFICIENCY-(Abstract Only)
    Noellsch, A., Motavalli, P., Nelson, K., Kitchen, N.R., Anderson, S., Scharf, P., Tracey, P. 2006. Variable source n fertilizer applications to optimize crop n use efficiency [abstract]. Greenley Research Field Day, August 3rd, 2006, Novelty, Missouri. p. 70.
    
  • INCREASING INFORMATION WITH MULTIPLE SOIL ELECTRICAL CONDUCTIVITY DATASETS-(Proceedings)
    Sudduth, K.A., Kitchen, N.R. 2006. Increasing information with multiple soil electrical conductivity datasets. In: ASABE Annual International Meeting Technical Papers. ASABE Annual Meeting, July 9-12, 2006, Portland, Oregon. Paper No. 061055.
    
  • RELATING HYPERSPECTRAL IMAGE BANDS AND VEGETATION INDICES TO CORN AND SOYBEAN YIELD-(Peer Reviewed Journal)
    Jang, G., Sudduth, K.A., Hong, S.Y., Kitchen, N.R., Palm, H.L. 2006. Relating hyperspectral image bands and vegetation indices to corn and soybean yield. Korean Journal of Remote Sensing. 22(3):183-197.
    
  • UNDERSTANDING PRODUCTIVITY VARIATION ON UN-IRRIGATED CLAYPAN SOILS-(Abstract Only)
    Jung, W., Kitchen, N.R., Sudduth, K.A. 2006. Understanding productivity variation on un-irrigated claypan soils [abstract]. Korean Crop Science Society annual meeting, April 27-28, 2006, Choenan, Korea.
    
  • TARGETING IMPROVED WITHIN-FIELD WATER AND SOIL QUALITY USING PRECISION CONSERVATION-(Abstract Only)
    Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Sadler, E.J., Lerch, R.N., Myers, D.B. 2006. Targeting improved within-field water and soil quality using precision conservation. International Soil and Water Conservation Conference.
    
  • SPATIALLY VARIABLE CORN YIELD LEVEL IS A WEAK PREDICTOR OF OPTIMAL NITROGEN-(Peer Reviewed Journal)
    Scharf, P.C., Kitchen, N.R., Sudduth, K.A., Davis, J.G. 2006. Spatially variable corn yield level is a weak predictor of optimal nitrogen. Soil Science Society of America Journal. 70:2154-2160.
    
  • RELATING IMAGE-DERIVED VEGETATION INDICES TO CROP YIELD-(Proceedings)
    Jang, G., Sudduth, K.A., Hong, S., Kitchen, N.R., Palm, H.L. 2006. Relating image-derived vegetation indices to crop yield. In: Yang, C., Everitt, J.H. (editors), Proceedings 20th Biennial Workshop on Aerial Photography, Videography, and High Resolution Digital Imagery for Resource Assessment. October 4-6, 2005, Weslaco, Texas. 2006 CDROM.
    
  • THE FIRST STEP IN PRECISION AGRICULTURE: SAMPLING OLD FARMSTEADS SEPARATELY FROM THE REST OF THE FIELD-()
    Clay, D.E., Kitchen, N.R., Carlson, C.G., Kleinjan, J.L. 2006. The first step in precision agriculture: sampling old farmsteads separately from the rest of the field. Site-Specific Management Guidelines. SSMG-43. Available: http://www.ppi-ppic.org/ppiweb/ppibase.nsf/b369c6dbe705dd13852568e3000de93d/4e2057722fafe7d185257110007c0f49/$FILE/SSMG-43.pdf
    
  • VARIABLE SOURCE N FERTILIZER APPLICATIONS TO OPTIMIZE CROP N USE EFFICIENCY-()
    Motavalli, P., Nelson, K., Kitchen, N.R., Anderson, S., Scharf, P. 2006. Variable source N fertilizer applications to optimize crop N use efficiency. Missouri Soil Fertility and Fertilizers Research Update. Available: http://aes.missouri.edu/pfcs/research/prop405.pdf
    
  • RELATIONSHIP OF SOIL PROFILE STRENGTH AND APPARENT SOIL ELECTRICAL CONDUCTIVITY TO CROP YIELD-(Peer Reviewed Journal)
    Jung, W., Kitchen, N.R., Sudduth, K.A. 2006. Relationship of soil profile strength and apparent soil electrical conductivity to crop yield. Korean Journal of Soil Science and Fertilizer. 32(2):109-115.
    
  • SPATIAL CHARACTERISTICS OF CLAYPAN SOIL PROPERTIES IN AN AGRICULTURAL FIELD-(Peer Reviewed Journal)
    Jung, W., Kitchen, N.R., Sudduth, K.A., Anderson, S.H. 2006. Spatial characteristics of claypan soil properties in an agricultural field. Soil Science Society of America Journal. 70(4):1387-1397.
    
  • LANDSCAPE AND CONSERVATION MANAGEMENT EFFECTS ON SOIL HYDRAULIC PROPERTIES FOR AN EPIAQUALF-(Abstract Only)
    Jiang, P., Anderson, S.H., Kitchen, N.R., Sadler, E.J., Sudduth, K.A. 2006. Landscape and conservation management effects on soil hydraulic properties for an epiaqualf. World Congress of Soil Science.
    
  • RADIOMETRIC ESTIMATION OF SOIL PROPERTIES USING MULTIPLE IMAGE SENSORS IN RICE PADDY AND DRYLAND FIELDS-(Abstract Only)
    Hong, S., Rim, S., Sudduth, K.A., Kitchen, N.R., Kim, Y., Lee, J., Kwak, H. 2006. Radiometric estimation of soil properties using multiple image sensors in rice paddy and dryland fields. World Congress of Soil Science, July 9-15, 2006, Philadelphia, PA. p. 56-13.
    
  • POTENTIAL IRRIGATION APPLICATIONS USING SENSOR-BASED APPARENT SOIL ELECTRICAL CONDUCTIVITY-()
    Kitchen, N.R. 2006. Potential irrigation applications using sensor-based apparent soil electrical conductivity [abstract]. Bootheel Irrigation Conference.
    
  • A NOVEL USE OF DATA TRANSLATION ALLOWS 3-D PREDICTION OF SOIL FERTILITY LANDSCAPES-(Abstract Only)
    Myers, D.B., N.R. Kitchen, K.A. Sudduth, E.J. Sadler. 2005. A novel use of data transformation allows 3-D prediction of soil fertility landscapes [abstract]. In: Proceedings North Central Extension-Industry Soil Fertility Conference. 21:180
    
  • EVALUATING THE EFFECTIVENESS OF AGRICULTURAL MANAGEMENT PRACTICES AT REDUCING NUTRIENT LOSSES TO SURFACE WATERS-(Proceedings)
    Mulla, D.J., Birr, A.S., Kitchen, N.R., David, M.B. 2005. Evaluating the effectiveness of agricultural management practices at reducing nutrient losses to surface waters. Meeting Proceedings.
    
  • VARIABLE SOURCE N FERTILIZER APPLICATIONS TO OPTIMIZE CROP N USE EFFICIENCY-(Abstract Only)
    Motavalli, P., Nelson, K., Kitchen, N.R., Anderson, S., Scharf, P., Tracy, P. 2005. Variable source N fertilizer applications to optimize crop N use efficiency [abstract]. ASA-CSSA-SSSA Annual Meeting. Paper No. 92-1413.
    
  • DISSOLVED NITROGEN AND PHOSPHORUS LOSSES IN SURFACE RUNOFF FROM THE CORN PHASE OF THREE CROPPING ROTATIONS-(Abstract Only)
    Alberts, E.E., Kitchen, N.R., Lerch, R.N., Sadler, E.J. 2005. Dissolved nitrogen and phosphorus losses in surface runoff from the corn phase of three cropping rotations [abstract] [CDROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • EFFECTS OF PLANT-SPECIFIC N TREATMENT AND PLANT SPACING ON CORN YIELD-(Abstract Only)
    Jiang, P., Kitchen, N.R., Sudduth, K.A. 2005. Effects of plant-specific N treatment and plant spacing on corn yield [abstract] [CDROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • WITHIN-FIELD VARIABILITY OF CROP YIELD USING A HIERARCHICAL MODEL-(Abstract Only)
    Jiang, P., Kitchen, N.R., He, Z., Sudduth, K.A., Sadler, E.J. 2005. Within-field variability of crop yield using a hierarchical model [abstract] [CDROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • VARIABLE RATE CORN NITROGEN MANAGEMENT IN MISSOURI USING ACTIVE-LIGHT REFLECTANCE SENSING-(Abstract Only)
    Kitchen, N.R., Scharf, P.C., Sudduth, K.A. 2005. Variable rate corn nitrogen management in Missouri using active-light reflectance sensing [abstract] [CDROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • ENVIRONMENTAL IMPLICATIONS OF SENSOR-BASED VARIABLE-RATE N APPLICATION IN CORN-(Abstract Only)
    Roberts, D.F., Kitchen, N.R., Scharf, P.C., Sudduth, K.A. 2005. Environmental implications of sensor-based variable-rate n application in corn [abstract] [CDROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • CROP MANAGEMENT IMPACTS ON CLAYPAN SOIL QUALITY-(Abstract Only)
    Jung, W., Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Anderson, S.H., Sadler, E.J. 2005. Crop management impacts on claypan soil quality [abstract[ [CDROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • IN SEASON CROP N MANAGEMENT-(Abstract Only)
    Shanahan, J.F., Raun, W.F., Kitchen, N.R. 2005. In season crop n management. Agronomy Abstracts.
    
  • LANDSCAPE MODELS OF CLAYPAN SOIL PROFILE PROPERTIES AS A FUNCTION OF DIVERGENCE FROM CLAY-MAXIMUM DEPTH-(Abstract Only)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A., Sadler, E.J. 2005. Landscape models of claypan soil profile properties as a function of divergence from clay-maximum depth [abstract]. Pedometrics 2005: Frontiers in pedometrics, International Union of Soil Scientists. p. 67.
    
  • SITE-SPECIFIC SOIL QUALITY MANAGEMENT-(Proceedings)
    Jung, W., Kitchen, N.R. 2005. Site-specific soil quality management. In: Eco-Friendly Precision Agriculture Research. Proceedings of the 2005 Meeting of the Korean Society of Precision Agriculture, June 22, 2005. Korean Society of Precision Agriculture, Suwon, Korea. p. 91-107.
    
  • MEASUREMENT AND SIMULATION OF HERBICIDE TRANSPORT FROM THE CORN PHASE OF THREE CROPPING SYSTEMS-(Peer Reviewed Journal)
    Ghidey, F., Blanchard, P.E., Lerch, R.N., Kitchen, N.R., Alberts, E.E., Sadler, E.J. 2005. Measurement and simulation of herbicide transport from the corn phase of three cropping systems. Journal of Soil and Water Conservation.60(5):260-273.
    
  • DEVELOPMENT OF A CONSERVATION-ORIENTED PRECISION AGRICULTURE SYSTEM: CROP PRODUCTION ASSESSMENT AND PLAN IMPLEMENTATION-(Peer Reviewed Journal)
    Kitchen, N.R., Sudduth, K.A., Myers, D.B., Massey, R.E., Sadler, E.J., Lerch, R.N., Hummel, J.W., Palm, H.L. 2005. Development of a conservation-oriented precision agriculture system: Crop production assessment and plan implementation. Journal of Soil and Water Conservation. 60(6):421-430.
    
  • DEVELOPMENT OF A CONSERVATION-ORIENTED PRECISION AGRICULTURE SYSTEM: WATER AND SOIL QUALITY ASSESSMENT-(Peer Reviewed Journal)
    Lerch, R.N., Kitchen, N.R., Kremer, R.J., Donald, W.W., Alberts, E.E., Sadler, E.J., Sudduth, K.A., Myers, D.B., Ghidey, F. 2005. Development of a conservation-oriented precision agriculture system: Water and soil quality assessment. Journal of Soil and Water Conservation. 60(6):411-421.
    
  • ON-FARM RESEARCH – A TOOL FOR IMPLEMENTING AND VALIDATING SPATIAL TECHNOLOGIES FOR SITE-SPECIFIC CROP MANAGEMENT-(Abstract Only)
    Shannon, D.K., Palm, H.L., Kitchen, N.R., Sudduth, K.A. 2005. On-farm research–-A tool for implementing and validating spatial technologies for site-specific crop management[CDROM]. American Society of Agricultural Engineers Annual International Meeting. Abstract No. 051069.
    
  • REAL-TIME CROP REFLECTANCE SENSING TO CONTROL VARIABLE-RATE NITROGEN APPLICATION-(Abstract Only)
    Sudduth, K.A., Drummond, S.T., Kitchen, N.R., Scharf, P.C. 2005. Real-time crop reflectance sensing to control variable-rate nitrogen application [abstract] [CDROM]. American Society of Agricultural Engineers Annual International Meeting. Abstract No. 051063.
    
  • REAL-TIME CORN ASSESSMENT FOR VARIABLE RATE NITROGEN MANAGEMENT-(Abstract Only)
    Kitchen, N.R., Sudduth, K.A. 2005. Real-time corn assessment for variable rate nitrogen management [abstract]. It's the Water Workshop.
    
  • NEWLY DEVELOPED TECHNOLOGIES FOR SOIL AND WATER CONSERVATION-(Proceedings)
    Sadler, E.J., Sudduth, K.A., Kitchen, N.R., Lerch, R.N., Kremer, R.J., Vories, E.D. 2005. Newly developed technologies for soil and water conservation. In: Chung, N.J., Kim, W.S., Kim, H.S., Kim, J.K., Eom, K.C., Lee, I.W., editors. Proceedings of the International Workshop on Newly Developed Innovative Technology for Soil and Water Conservation. Rural Development Administration, Suwon, Korea. p. 15-34.
    
  • RELATIONSHIP OF APPARENT SOIL ELECTRICAL CONDUCTIVITY TO CLAYPAN SOIL PROPERTIES.-(Peer Reviewed Journal)
    Jung, W.K., Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Motavalli, P.P. 2005. Relationship of apparent soil electrical conductivity to claypan soil properties. Soil Science Society of America Journal 69:883-892.
    
  • FIELD-SCALE VARIABILITY IN OPTIMAL NITROGEN FERTILIZER RATE FOR CORN-(Peer Reviewed Journal)
    Scharf, P.C., Kitchen, N.R., Sudduth, K.A., Davis, J.G., Hubbard, V.C., Lory, J.A. 2005. Field-scale variability in optimal nitrogen fertilizer rate for corn. Agronomy Journal. 97:452-461.
    
  • CROPPING MANAGEMENT IMPACTS SOIL QUALITY INDICATORS FOR CLAYPAN SOILS-(Abstract Only)
    Jung, W., Kitchen, N.R. 2005. Cropping management impacts soil quality indicators for claypan soils [abstract]. 2005 Missouri Natural Resources Conference. February 2, 2005. Lake of the Ozarks, MO.
    
  • SPATIALLY-VARIABLE CROP AND SOIL MONITORING FOR ENHANCED PRODUCTION AND CONSERVATION-(Abstract Only)
    Kitchen, N.R., Sudduth, K.A., Myers, D.B., Massey, R.E., Drummond, S.T. 2004. Spatially-variable crop and soil monitoring for enhanced production and conservation [abstract]. Monitoring Science and Technology Symposium. September 20, 2004. Denver, CO.
    
  • CROP PRODUCTION AND CONSERVATION PLANNING USING PRECISION AGRICULTURE INFORMATION-(Abstract Only)
    Kitchen, N.R., Sudduth, K.A., Myers, D.B., Lerch, R.N., Massey, R.E., Alberts, E.E., Sadler, E.J., Palm, H.L., Donald, W.W., Hummel, J.W., Kremer, R.J. 2004. Crop production and conservation planning using precision agriculture information [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • OPTIMAL N RATE FOR CORN: SPATIAL VARIABILITY, GEOSTATISTICS, AND PREDICTION-(Abstract Only)
    Scharf, P.C., Kitchen, N.R., Sudduth, K.A., Davis, J.G., Hubbard, V.C., Lory, J.A. 2004. Optimal N rate for corn: Spatial variability, geostatistics, and prediction [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • USE OF APPARENT SOIL ELECTRICAL CONDUCTIVITY TO DETERMINE SOIL P DISTRIBUTION IN POULTRY LITTER-AMENDED LANDSCAPES-(Abstract Only)
    Motavalli, P.P., Washburn, C.S., Lory, J.A., Kitchen, N.R. 2004. Use of apparent soil electrical conductivity to determine soil P distribution in poultry litter-amended landscapes [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • SITE-SPECIFIC PROFITABILITY METHODS, ANAYLSIS, AND DECISIONS-(Proceedings)
    Massey, R.E., Kitchen, N.R., Myers, D.B., Sudduth, K.A., Drummond, S.T. 2005. Site-specific profitability methods, anaylsis, and decisions. In: Mulla, D.J., editor. Proceedings of the 7th International Conference on Precision Agriculture, July 25-28, 2004. Precision Agriculture Center, University of Minnesota, St. Paul, MN. [unpaginated CDROM]
    
  • IMPLEMENTATION AND VALIDATION OF SENSOR-BASED SITE-SPECIFIC CROP MANAGEMENT THROUGH ON-FARM RESEARCH-(Proceedings)
    Shannon, D.K., Palm, H.L., Kitchen, N.R., Sudduth, K.A. 2005. Implementation and validation of sensor-based site-specific crop management through on-farm research. In: Mulla, D.J., editor. Proceedings of the 7th International Conference on Precision Agriculture, July 25-28, 2004. Precision Agriculture Center, University of Minnesota, St. Paul, MN. [unpaginated CDROM]
    
  • MAPPING SOIL ELECTRICAL CONDUCTIVITY-()
    Sudduth, K.A., Kitchen, N.R. 2004. Mapping soil electrical conductivity. In: Stamatiadis, S., Lynch, J.M., Schepers, J.S. editors. Remote Sensing for Agriculture and the Environment. Peripheral Editions, Larissa, Greece. p. 188-201.
    
  • SITE-SPECIFIC RELATIONSHIPS BETWEEN CORN POPULATION AND YIELD-(Proceedings)
    Sudduth, K.A., Birrell, S.J., Bollero, G.A., Bullock, D.G., Hummel, J.W., Kitchen, N.R. 2005. Site-specific relationships between corn population and yield. In: Mulla, D.J., editor. Proceedings of the 7th International Conference on Precision Agriculture, July 25-28, 2004. Precision Agriculture Center, University of Minnesota, St. Paul, MN. [unpaginated CDROM]
    
  • REMOTE SENSING OF SOILS: USING AIRBORNE HYPERSPECTRAL IMAGES TO ESTIMATE WITHIN-FIELD VARIATIONS IN SOIL PROPERTIES-(Proceedings)
    Hong, S.Y., Sudduth, K.A., Kitchen, N.R., Wiebold, W.J., Palm, H.L., Rim, S.K., Sonn, Y.K., Kwak, H.K. 2004. Remote sensing of soils: using airborne hyperspectral images to estimate within-field variations in soil properties. In: Proceedings Global Digital Soil Mapping Workshop, September 14-17, 2004, Montpellier, France. CD-ROM.
    
  • EMPIRICAL RELATIONSHIPS BETWEEN PRISMATIC SOIL STRENGTH INDEX AND CONE INDEX-(Proceedings)
    Chung, S.O., Sudduth, K.A., Hummel, J.W., Motavalli, P.P., Kitchen, N.R. 2004. Empirical relationships between prismatic soil strength index and cone index. In: Proceedings 2004 International Commission of Agricultural Engineering (CIGR) International Conference, October 11-14, 2004, Beijing, China (CD-ROM).
    
  • COMPARISON OF REMOTE SENSING AND CROP GROWTH MODELS FOR ESTIMATING WITHIN-FIELD LAI VARIABILITY-(Peer Reviewed Journal)
    Hong, S.Y., Sudduth, K.A., Kitchen, N.R., Fraisse, C.W., Palm, H.L., Wiebold, W.J. 2004. Comparison of remote sensing and crop growth models for estimating within-field LAI variability. Korean Journal of Remote Sensing. 20(3):175-188.
    
  • CROPPING SYSTEM EFFECTS ON HERBICIDE TRANSPORT IN SURFACE RUNOFF FROM A CLAYPAN SOIL. II. FIELD-SCALE CASE STUDIES-(Abstract Only)
    Ghidey, F., Alberts, E.E., Lerch, R.N., Kitchen, N.R., Sadler, E.J. 2004. Cropping system effects on herbicide transport in surface runoff from a claypan soil. ii. field-scale case studies. Symposium on the Fate and Chemistry of Modern Pesticides Proceedings.
    
  • EVALUATION OF AN ON-THE-GO-SOIL STRENGTH PROFILE SENSOR USING SOIL BIN AND FIELD DATA-()
    Chung, S.O., Sudduth, K.A., Plouffe, C., Kitchen, N.R. 2004. Evaluation of an on-the-go-soil strength profile sensor using soil bin and field data [CD-ROM]. American Society of Agricultural Engineers Annual International Meeting. Paper No. 041039.
    
  • CROPPING SYSTEM EFFECTS ON HERBICIDE TRANSPORT TO SURFACE RUNOFF FROM A CLAYPAN SOIL. I. PLOT-SCALE ANALYSIS-(Abstract Only)
    Ghidey, F., Blanchard, P., Lerch, R.N., Kitchen, N.R., Alberts, E.E. 2004. Cropping system effects on herbicide transport to surface runoff from a claypan soil. I. Plot-scale analysis. In: Proceedings of the Symposium on the Fate and Chemistry of Modern Pesticide, August 16-19, 2004, Vail, CO.p. 57.
    
  • RELATING ON-THE-GO-SOIL STRENGTH DATA TO CONE INDEX-()
    Chung, S.O., Sudduth, K.A., Motavalli, P.P., Kitchen, N.R. 2004. Relating on-the-go-soil strength data to cone index. American Society of Agricultural Engineers Mid-Central Conference. Paper No. MC04-205.
    
  • SITE-SPECIFIC NITROGEN MANAGEMENT FOR REDUCING SOIL RESIDUAL NITRATE-(Proceedings)
    DAVIS, J.G., SCHARF, P.C., KITCHEN, N.R. SITE-SPECIFIC NITROGEN MANAGEMENT FOR REDUCING SOIL RESIDUAL NITRATE. PROCEEDINGS NORTH CENTRAL EXTENSION INDUSTRY SOIL FERTILITY CONFERENCE. 2003. P. 76-86.
    
  • ASSESSING SPATIAL AND TEMPORAL NUTRIENT DYNAMICS WITH A PROPOSED NUTRIET BUFFERING INDEX-(Proceedings)
    MYERS, D.B., KITCHEN, N.R., SUDDUTH, K.A. ASSESSING SPATIAL AND TEMPORAL NUTRIENT DYNAMICS WITH A PROPOSED NUTRIET BUFFERING INDEX. PROCEEDINGS NORTH CENTRAL EXTENSION INDUSTRY SOIL FERTILITY CONFERENCE. 2003. P. 190-199.
    
  • MAPPING WITHIN-FIELD VARIABILITY USING AIRBORNE IMAGING SYSTEMS: A CASE STUDY FROM MISSOURI PRECISION AGRICULTURE-(Proceedings)
    HONG, S.Y., SUDDUTH, K.A., KITCHEN, N.R., PALM, H.L., WIEBOLD, W.J. 2003. MAPPING WITHIN-FIELD VARIABILITY USING AIRBORNE IMAGING SYSTEMS: A CASE STUDY FROM MISSOURI PRECISION AGRICULTURE [CD-ROM]. PROCEEDINGS 24TH ASIAN CONFERENCE ON REMOTE SENSING AND 2003 INTERNATIONAL SYMPOSIUM ON REMOTE SENSING. KOREAN SOCIETY OF REMOTE SENSING, SEOUL, KOREA.
    
  • REFLECTANCE MEASUREMENTS OF SOIL VARIABILITY-(Proceedings)
    SUDDUTH, K.A., HONG, S., HUMMEL, J.W., KITCHEN, N.R. REFLECTANCE MEASUREMENTS OF SOIL VARIABILITY. PROCEEDINGS 24TH ASIAN CONFERENCE ON REMOTE SENSING AND 2003 INTERNATIONAL SYMPOSIUM ON REMOTE SENSING. 2003. CD-ROM (UNPAGINATED). BUSAN, SOUTH KOREA.
    
  • RELATING APPARENT ELECTRICAL CONDUCTIVITY TO SOIL PROPERTIES ACROSS THE NORTH-CENTRAL USA-(Peer Reviewed Journal)
    Sudduth, K.A., Kitchen, N.R., Wiebold, W.J., Batchelor, W.D., Bollero, G.A., Bullock, D.G., Clay, D.E., Palm, H.L., Pierce, F.J., Schuler, R.T. 2005. Relating apparent electrical conductivity to soil properties across the north-central USA. Computers and Electronics in Agriculture. 46:263-283.
    
  • RELATIONSHIPS BETWEEN SOIL BULK ELECTRICAL CONDUCTIVITY AND THE PRINCIPAL COMPONENT ANALYSIS OF TOPOGRAPHY AND SOIL FERTILITY VALUES-(Peer Reviewed Journal)
    OFFICER, S.J., KRAVCHENKO, A., BOLLERO, G.A., SUDDUTH, K.A., KITCHEN, N.R., WIEBOLD, W.J., PALM, H.L., BULLOCK, D.G. RELATIONSHIPS BETWEEN SOIL BULK ELECTRICAL CONDUCTIVITY AND THE PRINCIPAL COMPONENT ANALYSIS OF TOPOGRAPHY AND SOIL FERTILITY VALUES. PLANT AND SOIL JOURNAL. 2004. v. 258(1). P. 269-280.
    
  • SITE-SPECIFIC PRODUCTIVITY ZONES DELINEATED USING BULK SOIL ELECTRICAL CONDUCTIVITY-(Proceedings)
    KITCHEN, N.R., SUDDUTH, K.A., MYERS, D.B., DRUMMOND, S.T., HONG, S.Y. SITE-SPECIFIC PRODUCTIVITY ZONES DELINEATED USING BULK SOIL ELECTRICAL CONDUCTIVITY. AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS ANNUAL INTERNATIONAL MEETING TECHNICAL PAPERS. 2003. CD-ROM. PAPER 032340. ST. JOSEPH, MI.
    
  • HOW TO ASSESS WHETHER MANAGING BY ZONES PAID-(Abstract Only)
    KITCHEN, N.R., SUDDUTH, K.A., MYERS, D.B., DRUMMOND, S.T., PALM, H.L., WIEBOLD, W.J. 2003. HOW TO ASSESS WHETHER MANAGING BY ZONES PAID [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • RELATING ON-THE-GO-SOIL STRENGTH SENSOR DATA AND CONE INDEX-(Abstract Only)
    CHUNG, S., SUDDUTH, K.A., KITCHEN, N.R., HUMMEL, J.W. 2003. RELATING ON-THE-GO-SOIL STRENGTH SENSOR DATA AND CONE INDEX. [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • PATIENCE PRECEDES CONFIDENCE FOR ASSESSING AND MANAGEMENT OF SUB-FIELD LOW YIELDING AREAS-(Abstract Only)
    KITCHEN, N.R., SUDDUTH, K.A., WIEBOLD, W.J., BULLOCK, D.G., BOLERO, G.A., CLAY, D.E., PALM, H.L. 2003. PATIENCE PRECEDES CONFIDENCE FOR ASSESSING AND MANAGEMENT OF SUB-FIELD LOW YIELDING AREAS [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • ESTIMATION OF SOYBEAN ROOT LENGTH DENSITY DISTRIBUTION WITH DIRECT AND SENSOR BASED MEASUREMENTS OF CLAYPAN MORPHOLOGY-(Abstract Only)
    Myers, D.B., Kitchen, N.R., Sudduth, K.A. 2003. Estimation of soybean root length density distribution with direct and sensor based measurements of claypan morphology [abstract][CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • SENSOR-BASED SOIL ELECTRICAL CONDUCTIVITY AS A MEASURE OF SOIL QUALITY ON CLAYPAN SOILS-(Abstract Only)
    Jung, W., Kitchen, N.R., Sudduth, K.A., Kremer, R.J., Motavalli, P., Anderson, S.H., Alberts, E.E. 2003. Sensor-based soil electrical conductivity as a measure of soil quality on claypan soils [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • SPATIAL CHARACTERISTICS OF SOIL QUALITY INDICATORS ON CLAYPAN SOILS-(Abstract Only)
    JUNG, W., KITCHEN, N.R., SUDDUTH, K.A., KREMER, R.J., MOTAVALLI, R.J., ANDERSON, S.H., ALBERTS, E.E. 2003. SPATIAL CHARACTERISTICS OF SOIL QUALITY INDICATORS ON CLAYPAN SOILS [abstract] [CD-ROM]. ASA-CSSA-SSSA-Annual Meeting Abstracts.
    
  • INTEGRATING SOIL PROPERTIES AND CROP PRODUCTIVITY IN THE DEVELOPMENT OF NUTRIENT MANAGEMENT ZONES-(Abstract Only)
    CLAY, D., CHANG, J., KITCHEN, N.R., CARLSON, G. 2003. INTEGRATING SOIL PROPERTIES AND CROP PRODUCTIVITY IN THE DEVELOPMENT OF NUTRIENT MANAGEMENT ZONES [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • ENHANCING SOIL AND WATER CONSERVATION THROUGH PRECISION AGRICULTURE-(Abstract Only)
    PIERCE, F., KITCHEN, N.R., HUGGINS, D.R., VAN ES, H.M. 2003. ENHANCING SOIL AND WATER CONSERVATION THROUGH PRECISION AGRICULTURE [abstract] [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts.
    
  • DELINEATING PRODUCTIVITY ZONES ON CLAYPAN SOIL FIELDS USING APPARENT SOIL ELECTRICAL CONDUCTIVITY-(Peer Reviewed Journal)
    Kitchen, N.R., Sudduth, K.A., Myers, B.D., Drummond, S.T., Hong, S.Y. 2005. Delineating productivity zones on claypan soil fields using apparent soil electrical conductivity. Computers and Electronics in Agriculture. 46:285-308.
    
  • COLLECTING REPRESENTATIVE SOIL SAMPLES FOR N AND P FERTILIZER RECOMMENDATIONS-()
    
    
  • MANAGEMENT ZONE ANALYST (MZA): SOFTWARE FOR SUB-FIELD MANAGEMENT ZONE DELINEATION-(Peer Reviewed Journal)
    Fridgen, J.L., Kitchen, N.R., Sudduth, K.A., Drummond, S.T., Wiebold, W.J., Fraisse, C.W. 2004. Management zone analyst (MZA): Software for sub-field management zone delineation. Agronomy Journal. 96:100-108.
    
  • COLLECTING REPRESENTATIVE SOIL SAMPLES FOR N AND P FERTILIZER RECOMMENDATIONS-(Peer Reviewed Journal)
    CLAY, D.E., KITCHEN, N.R., CARLSON, C.G., KLEINJAN, J.L., TJENTLAND, W.A. COLLECTING REPRESENTATIVE SOIL SAMPLES FOR N AND P FERTILIZER RECOMMENDATIONS. CROP MANAGEMENT DOI:10.1094/CM-2002-1216-01-ma. 2002.
    
  • SENSOR DEVELOPMENT AND RADIOMETRIC CORRECTION FOR AGRICULTURAL APPLICATION (ARS 115 IS BEING SUBMITTED TO ADD AUTHORS - SEE LOG #128878 FOR ADDITIONAL AUTHORS. THESE AUTHORS ARE ACTUALLY #S 11 THRU 20) 1403-(Peer Reviewed Journal)
    HAVSTAD, K.M., JACKSON, T.J., KITCHEN, N.R., KUSTAS, W.P., MCGUIRE, M.R., PINTER JR, P.J., SUDDUTH, K.A., SCHEPERS, J.S., SCHMUGGE, T.J., STARKS, P.J. SENSOR DEVELOPMENT AND RADIOMETRIC CORRECTION FOR AGRICULTURAL APPLICATION (ARS 115 IS BEING SUBMITTED TO ADD AUTHORS - SEE LOG #128878 FOR ADDITIONAL AUTHORS. THESE AUTHORS ARE ACTUALLY #S 11 THRU 20) JOURNAL OF PHOTOGRAMMETRIC ENGINEERING AND REMOTE SENSING. v.69(6). p. 705-718.
    
  • SENSIBLE SOIL SENSORS WELCOME-()
    
    
  • PREDOMINANT PROPERTIES AFFECTING PROFILE SOIL ELECTRICAL CONDUCTIVITY IN THE US MIDWEST-(Abstract Only)
    KITCHEN, N.R., SUDDUTH, K.A., BULLOCK, D.G., CLAY, D.E., THELEN, K.T., SCHULER, R.T., WIEBOLD, W.J., BATCHELOR, W.D. PREDOMINANT PROPERTIES AFFECTING PROFILE SOIL ELECTRICAL CONDUCTIVITY IN THE US MIDWEST. AGRONOMY ABSTRACTS. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY. MADISON, WI.
    
  • SOIL PHOSPHOROUS SPATIAL DISTRIBUTION IN PASTURES RECEIVING POULTRY LITTER APPLICATIONS-(Abstract Only)
    WASHBURN, C.S., MOTAVALLI, P., KITCHEN, N.R., POTTER, D.K. SOIL PHOSPHOROUS SPATIAL DISTRIBUTION IN PASTURES RECEIVING POULTRY LITTER APPLICATIONS. AGRONOMY ABSTRACTS. 2002. CD-ROM (UNPAGINATED) AMERICAN SOCIETY OF AGRONOMY. MADISON, WI.
    
  • SOIL QUALITY OF CLAYPAN SOILS ASSESSED USING SENSOR BASED SOIL EC AND TERRAIN ATTRIBUTES-(Abstract Only)
    JUNG, W., KITCHEN, N.R., SUDDUTH, K.A. SOIL QUALITY OF CLAYPAN SOILS ASSESSED USING SENSOR BASED SOIL EC AND TERRAIN ATTRIBUTES. AGRONOMY ABSTRACTS. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY, MADISON, WI.
    
  • SPATIAL VARIABILITY OF OPTIMUM N RATE FOR CORN-(Abstract Only)
    SCHARF, P.C., LORY, J.A., KITCHEN, N.R., SUDDUTH, K.A., DAVIS, J.G. SPATIAL VARIABILITY OF OPTIMUM N RATE FOR CORN. AGRONOMY ABSTRACTS. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY, Madison, WI.
    
  • ESTIMATING WITHIN-FIELD VARIATIONS IN SOIL PROPERTIES FROM AIRBORNE HYPERSPECTRAL IMAGES-(Proceedings)
    Hong, S.Y., Sudduth, K.A., Kitchen, N.R., Drummond, S.T., Palm, H.L., Wiebold, W.J. 2002. Estimating within-field variations in soil properties from airborne hyperspectral images. Pecora Conference Land Satellite Information in the Next Decade. American Society of Photogrammetry and Remote Sensing. Bethesda, Maryland
    
  • COMPARISON OF ELECTROMAGNETIC INDUCTION AND DIRECT SENSING OF SOIL ELECTRICAL CONDUCTIVITY-(Peer Reviewed Journal)
    SUDDUTH, K.A., KITCHEN, N.R., BOLLERO, G.A., BULLOCK, D.G. COMPARISON OF ELECTROMAGNETIC INDUCTION AND DIRECT SENSING OF SOIL ELECTRICAL CONDUCTIVITY. AGRONOMY JOURNAL. 2003. V. 95. P. 472-482.
    
  • SOIL ELECTRICAL CONDUCTIVITY AND OTHER SOIL AND LANDSCAPE PROPERTIES RELATED TO YIELD FOR THREE CONTRASTING SOIL AND CROP SYSTEMS-(Peer Reviewed Journal)
    KITCHEN, N.R., DRUMMOND, S.T., LUND, E.D., SUDDUTH, K.A., BUCHLEITER, G.W. SOIL ELECTRICAL CONDUCTIVITY AND OTHER SOIL AND LANDSCAPE PROPERTIES RELATED TO YIELD FOR THREE CONTRASTING SOIL AND CROP SYSTEMS. AGRONOMY JOURNAL. 2003. V. 95. P. 483-495.
    
  • STATISTICAL AND NEURAL METHODS FOR SITE-SPECIFIC YIELD PREDICTION-(Peer Reviewed Journal)
    DRUMMOND, S.T., SUDDUTH, K.A., JOSHI, A., BIRRELL, S.J., KITCHEN, N.R. STATISTICAL AND NEURAL METHODS FOR SITE-SPECIFIC YIELD PREDICTION. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2003. V. 46(1). P. 5-14.
    
  • BEFORE YOU VARIABLY APPLY, UNDERSTAND WHY: LESSONS FROM MISSOURI PRECISION AGRICULTURE RESEARCH-(Proceedings)
    KITCHEN, N.R., SUDDUTH, K.A., HONG, S. BEFORE YOU VARIABLY APPLY, UNDERSTAND WHY: LESSONS FROM MISSOURI PRECISION AGRICULTURE RESEARCH. PROCEEDINGS KOREAN ANNUAL CONFERENCE ON PRECISION AGRICULTURE. 2002. RURAL DEVELOPMENT ADMINISTRATION, SUWON, KOREA. P. 45-66.
    
  • SOIL STRENGTH SENSING FOR QUANTIFYING WITHIN-FIELD VARIABILITY-()
    Sudduth, K.A., Kitchen, N.R., Drummond, S.T., Bollero, G.A., Bullock, D.G., Chung, S. 2002. Soil strength sensing for quantifying within-field variability. American Society of Agricultural Engineers. Paper No. 021182. CDROM.
    
  • NEURAL NETWORK ANALYSIS OF SITE-SPECIFIC SOIL, LANDSCAPE AND YIELD DATA-(Proceedings)
    DRUMMOND, S.T., SUDDUTH, K.A., KITCHEN, N.R., BATCHELOR, W.D., BOLLERO, G.A., BULLOCK, D.G., CLAY, D.E., PALM, H.L., WIEBOLD, W.J., PIERCE, F.J. NEURAL NETWORK ANALYSIS OF SITE-SPECIFIC SOIL, LANDSCAPE AND YIELD DATA. PROCEEDINGS 6TH INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE. 2002. CD-ROM (UNPAGINATED). AGRONOMY SOCIETY OF AMERICA. MADISON, WI.
    
  • PROCEDURES FOR EVALUATING UNSUPERVISED CLASSIFICATION TO DERIVE MANAGEMENT ZONES-(Proceedings)
    KITCHEN, N.R., FRIDGEN, J.J., SUDDUTH, K.A., DRUMMOND, S.T., WIEBOLD, W.J., FRAISSE, C.W. PROCEDURES FOR EVALUATING UNSUPERVISED CLASSIFICATION TO DERIVE MANAGEMENT ZONES. PROCEEDINGS 6TH INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY. MADISON, WI.
    
  • CHARACTERIZING FIELD-SCALE SOIL VARIABILITY ACROSS THE MIDWEST WITH SOIL ELECTRICAL CONDUCTIVITY-(Proceedings)
    SUDDUTH, K.A., KITCHEN, N.R., BATCHELOR, W.D., BOLLERO, G.A., BULLOCK, D.G., CLAY, D.E., PALM, H.L., WIEBOLD, W.J., PIERCE, F.J., SCHULER, R.T. CHARACTERIZING FIELD-SCALE SOIL VARIABILITY ACROSS THE MIDWEST WITH SOIL ELECTRICAL CONDUCTIVITY. PROCEEDINGS 6TH INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY, MADISON, WI. 2002.
    
  • THE ZONES PROJECTS: UNDERSTANDING SOYBEAN YIELD VARIABILITY-(Abstract Only)
    PALM, H.L., WIEBOLD, W.J., KITCHEN, N.R., SUDDUTH, K.A., BATCHELOR, W.D., CLAY, D.E., PIERCE, F.J., SCHULER, R.T., THELEN, K.D. THE ZONES PROJECTS: UNDERSTANDING SOYBEAN YIELD VARIABILITY. PROCEEDINGS 6TH INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY. MADISON, WI.
    
  • COMBINING REMOTE SENSING AND CROP GROWTH MODELS TO ESTIMATE WITHIN-FIELD VARIABILITY-(Proceedings)
    HONG, S.Y., SUDDUTH, K.A., KITCHEN, N.R., FRAISSE, C.W., PALM, H.L., WIEBOLD, W.J. COMBINING REMOTE SENSING AND CROP GROWTH MODELS TO ESTIMATE WITHIN-FIELD VARIABILITY. PROCEEDINGS 6TH INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY. MADISON, WI.
    
  • LANDFORM, SOIL MORPHOLOGY, AND TILLAGE EFFECTS ON SOYBEAN ROOT DISTRIBUTION FOR CLAYPAN SOILS-(Abstract Only)
    MYERS, D.B., KITCHEN, N.R., SUDDUTH, K.A., FRAISSE, C.W. LANDFORM, SOIL MORPHOLOGY, AND TILLAGE EFFECTS ON SOYBEAN ROOT DISTRIBUTION FOR CLAYPAN SOILS. PROCEEDINGS 6TH INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY, MADISON, WI.
    
  • AERIAL PHOTOGRAPHY USED TO ASSESS SPATIALLY VARIABLE CORN NITROGEN NEED-(Proceedings)
    
    
  • FIELD-SCALE EVALUATION OF VARIABLE N RATE RECOMMENDATIONS FOR CORN-(Abstract Only)
    SCHARF, P.C., KITCHEN, N.R., SUDDUTH, K.A., DAVIS, J.G., LORY, J. FIELD-SCALE EVALUATION OF VARIABLE N RATE RECOMMENDATIONS FOR CORN. PROCEEDINGS 6TH INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY. MADISON, WI.
    
  • LESSONS LEARNED FROM MULTI-DISCIPLINARY RESEARCH OF CORN/SOYBEAN SYSTEMS-(Peer Reviewed Journal)
    
    
  • USING AIRBORNE HYPERSPECTRAL AND SATELLITE MULTISPECTRAL DATA TO QUANTIFY WITHIN-FIELD SPATIAL VARIABILITY-(Peer Reviewed Journal)
    Hong, S.Y., Sudduth, K.A., Kitchen, N.R., Palm, H.L., Wiebold, W.J. 2002. Using airborne hyperspectral and satellite multispectral data to quantify within-field spatial variability. Korean Journal of Precision Agriculture. 1(1):82-98.
    
  • REMOTE SENSING FOR NITROGEN MANAGEMENT-(Peer Reviewed Journal)
    SCHARF, P.C., SCHMIDT, J.P., KITCHEN, N.R., SUDDUTH, K.A., HONG, S.Y., LORY, J.A., DAVIS, J.G. REMOTE SENSING FOR NITROGEN MANAGEMENT. JOURNAL OF SOIL AND WATER CONSERVATION. V. 57(6). P. 518-524.
    
  • SITE-SPECIFIC EVALUATION OF THE CROPGRO-SOYBEAN MODEL ON MISSOURI CLAYPAN SOILS-(Peer Reviewed Journal)
    WANG, F., FRAISSE, C., KITCHEN, N.R., SUDDUTH, K.A. SITE-SPECIFIC EVALUATION OF THE CROPGRO-SOYBEAN MODEL ON MISSOURI CLAYPAN SOILS. AGRICULTURAL SYSTEMS. 2003. V. 79. P. 985-1005.
    
  • ESTIMATING WITHIN-FIELD VARIATIONS IN SOIL PROPERTIES FROM AIRBORNE HYPERSPECTRAL IMAGES-(Abstract Only)
    
    
  • SITE-SPECIFIC EVALUATION OF CROP MODELS ON MISSOURI CLAYPAN SOILS-(Abstract Only)
    
    
  • WHAT IS THE BEST METHOD FOR RELATING MAPPED YIELD DATA WITH OTHER DATA?-(Proceedings)
    
    
  • BETWEEN-ROW MOWING + BANDED HERBICIDE TO CONTROL ANNUAL WEEDS AND REDUCE HERBICIDE USE IN NO-TILL SOYBEAN (GLYCINE MAX) AND CORN (ZEA MAYS)-(Abstract Only)
    
    
  • ECONOMIC AND ENVIRONMENTAL EVALUATION OF VARIABLE RATE NITROGEN AND LIME APPLICATION FOR CLAYPAN SOIL FIELDS-(Peer Reviewed Journal)
    WANG, D., PRATO, T., QIU, Z., KITCHEN, N.R., SUDDUTH, K.A. ECONOMIC AND ENVIRONMENTAL EVALUATION OF VARIABLE RATE NITROGEN AND LIME APPLICATION FOR CLAYPAN SOIL FIELDS. PRECISION AGRICULTURE. 2003. V. 4. P. 35-52.
    
  • DETECTING SPATIALLY VARIABLE CORN NITROGEN NEEDS USING GREEN REFLECTANCE FROM 35 MM PHOTOGRAPHS-(Proceedings)
    
    
  • EVALUATING CLAYPAN SOIL PRODUCTIVITY USING SENSORS AND SOIL SAMPLING-(Proceedings)
    Jung, W., Kitchen, N.R., Sudduth, K.A. 2001. Evaluating claypan soil productivity using sensors and soil sampling. In: Proceedings Third International Conference on Geospatial Information in Agriculture and Forestry. Ann Arbor, Michigan. CDROM.
    
  • SITE-SPECIFIC EVALUATION OF THE CROPGRO-SOYBEAN MODEL ON MISSOURI CLAYPAN SOILS-(Abstract Only)
    
    
  • USING HYPERSPECTRAL REMOTE SENSING DATA TO QUANTIFY WITHIN-FIELD SPATIAL VARIABILITY-(Proceedings)
    Hong, S.Y., Sudduth, K.A., Kitchen, N.R., Palm, H.L., Wiebold, W.J. 2001. Using hyperspectral remote sensing data to quantify within-field spatial variability. In: Proceedings Third International Conference on Geospatial Information in Agriculture And Forestry. Ann Arbor, Michigan. CDROM.
    
  • ANALYSIS OF SOIL, TOPOGRAPHIC, AND YIELD DATA USING NESTED VARIOGRAMS-(Proceedings)
    Chung, S., Sudduth, K.A., Drummond, S.T., Kitchen, N.R. 2001. Analysis of soil, topographic, and yield data using nested variograms. In: Proceedings Third International Conference on Geospatial Information in Agriculture and Forestry. Ann Arbor, Michigan. CDROM.
    
  • PREDICTING CORN AND SOYBEAN GRAIN QUALITY AND NUTRIENT CONTENT USING HYPERSPECTRAL IMAGERY, TOPOGRAPHIC ATTRIBUTES, AND SOIL CHARACTERISTICS-()
    
    
  • RELATING CORN AND SOYBEAN YIELD WITH SENSOR BASED AND GRID-SAMPLED SOIL PROPERTIES-(Abstract Only)
    
    
  • INTERACTIONS OF SOIL AND LANDSCAPE PROPERTIES ON CORN-SOYBEAN YIELD VARIABILITY IN THE US MIDWEST-(Abstract Only)
    
    
  • SITE-SPECIFIC APPLICATION OF ALDICARB EFFECTS ON COTTON IN A MELOIDOGYNE INCOGNITA INFESTED FIELD-(Peer Reviewed Journal)
    WRATHER, J.A., STEVENS, W.E., KIRKPATRICK, T.L., KITCHEN, N.R. SITE-SPECIFIC APPLICATION OF ALDICARB EFFECTS ON COTTON IN A MELOIDOGYNE INCOGNITA INFESTED FIELD. JOURNAL OF NEMATOLOGY. 2002. V. 34. P. 115-119.
    
  • EDUCATIONAL NEEDS OF PRECISION AGRICULTURE-(Peer Reviewed Journal)
    KITCHEN, N.R., SNYDER, C.J., FRANZEN, D.W., WIEBOLD, W.J. EDUCATIONAL NEEDS OF PRECISION AGRICULTURE. PRECISION AGRICULTURE. 2002. V. 3. P. 341-351.
    
  • MULTIVARIATE AND GEOSTATISTICAL TECHNIQUES FOR PREDICTING SOIL DRAINAGE CLASS-(Proceedings)
    
    
  • ON-FARM TECHNOLOGIES AND PRACTICES TO IMPROVE NITROGEN USE EFFICIENCY-()
    
    
  • BETWEEN-ROW MOWING + BANDED HERBICIDE TO CONTROL ANNUAL WEEDS AND REDUCE HERBICIDE USE IN NO-TILL SOYBEAN (GLYCINE MAX) AND CORN (ZEA MAYS)-(Peer Reviewed Journal)
    Donald, W.W., Kitchen, N.R., Sudduth, K.A. 2000. Between-row mowing + banded herbicide to control annual weeds and reduce herbicide use in no-till soybean (glycine max) and corn (zea mays). Weed Technology. 15:576-584.
    
  • USING SOIL ELECTRICAL CONDUCTIVITY IN PRECISION AGRICULTURE-(Proceedings)
    
    
  • RESIDUAL PHOSPHORUS DISTRIBUTION AND SORPTION IN STARTER FERTILIZER BANDS APPLIED IN NO-TILL CULTURE-(Peer Reviewed Journal)
    
    
  • CORN AND SOYBEAN YIELD RESPONSE TO P AND K AT DIFFERENT LANDSCAPE POSITIONS-(Proceedings)
    
    
  • EQUIPMENT AND PROCEDURES FOR SOIL EC MEASUREMENTS-(Abstract Only)
    
    
  • BETWEEN-ROW MOWING + BANDED HERBICIDE TO CONTROL ANNUAL WEEDS AND REDUCE HERBICIDE USE IN NO-TILL SOYBEAN (GLYCINE MAX) AND CORN (ZEA MAYS)-(Abstract Only)
    
    
  • FIELD-SCALE EVALUATION OF INNOVATIVE N MANAGEMENT SYSTEMS FOR CORN-(Abstract Only)
    
    
  • DELINEATION METHODS FOR ZONE SAMPLING AND MANAGEMENT OF NUTRIENTS-(Abstract Only)
    
    
  • DEVELOPMENT AND EVALUATION OF SOFTWARE FOR DELINEATION AND ANALYSIS OF SITE-SPECIFIC MANAGEMENT ZONES-(Abstract Only)
    
    
  • SOIL ELECTRICAL CONDUCTIVITY MAPPING-()
    
    
  • ACCURACY ISSUES IN ELECTROMAGNETIC INDUCTION SENSING OF SOIL ELECTRICAL CONDUCTIVITY FOR PRECISION AGRICULTURE-(Peer Reviewed Journal)
    Sudduth, K.A., Drummond, S.T., Kitchen, N.R. 2001. Accuracy issues in electromagnetic induction sensing of soil electrical conductivity for precision agriculture. Computers and Electronics in Agriculture. 31:239-264.
    
  • DELINEATION OF SITE-SPECIFIC MANAGEMENT ZONES BY UNSUPERVISED CLASSIFICATION OF TOPOGRAPHIC ATTRIBUTES AND SOIL ELECTRICAL CONDUCTIVITY-(Peer Reviewed Journal)
    Fraisse, C.W., Sudduth, K.A., Kitchen, N.R. 2001. Delineation of site-specific management zones by unsupervised classification of topographic attributes and soil electrical conductivity. Transactions of the American Society of Agricultural Engineers. 44(1):155-166.
    
  • INFLUENCE OF CLAYPAN-SOIL TOPSOIL THICKNESS AND FERTILITY FACTORS ON CORN AND SOYBEAN YIELD-(Proceedings)
    
    
  • VARIABILITY OF SOIL AND LANDSCAPE ATTRIBUTES WITHIN SUB-FIELD MANAGEMENT ZONES-(Abstract Only)
    
    
  • ESTIMATION OF A SOIL PRODUCTIVITY INDEX ON CLAYPAN SOILS USING SOIL ELECTRICAL CONDUCTIVITY-(Proceedings)
    
    
  • EVALUATION OF A SOIL CONDUCTIVITY SENSING PENETROMETER-()
    
    
  • MEASURING AND INTERPRETING SOIL ELECTRICAL CONDUCTIVITY FOR PRECISION AGRICULTURE-(Proceedings)
    
    
  • CHARACTERIZING SOIL PHYSICAL AND CHEMICAL PROPERTIES INFLUENCING CROP YIELDUSING SOIL ELECTRICAL CONDUCTIVITY-(Proceedings)
    
    
  • USING SITE-SPECIFIC NITROGEN FERTILIZER APPLICATION TO REDUCE NITRATE LOSSES-(Proceedings)
    
    
  • USING SITE-SPECIFIC NITROGEN APPLICATIONS TO IMPROVE WATER QUALITY-(Abstract Only)
    
    
  • PREDICTORS OF WITHIN-FIELD VARIABILITY OF GRAIN NUTRIENT CONTENT FOR PRECISION AGRICULTURE-(Abstract Only)
    
    
  • PRECISION AGRICULTURE RESEARCH: LESSONS LEARNED IN CORN/SOYBEAN-(Abstract Only)
    
    
  • SITE SPECIFIC FERTILIZER RECOMMENDATION METHODS TO IMPROVE NUTRIENT UTILIZATION-(Abstract Only)
    
    
  • EDUCATIONAL NEEDS IN PRECISION AGRICULTURE-(Abstract Only)
    
    
  • FARMING SYSTEM EFFECTS ON HERBICIDE LOSS TO SURFACE RUNOFF-(Abstract Only)
    
    
  • IMPROVING WATER QUALITY USING SITE-SPECIFIC APPLICATIONS OF NITROGEN FERTILIZER-(Proceedings)
    
    
  • PRECISION NITROGEN STRATEGIES FOR MIDWEST CLAYPAN SOILS-(Proceedings)
    
    
  • INFLUENCE OF CROPPING SYSTEMS ON DISSOLVED NITROGEN AND ATRAZINE TRANSPORT IN SURFACE RUNOFF FROM CLAYPAN SOILS-(Proceedings)
    
    
  • QUANTIFYING SOIL AND LANDSCAPE VARIABILITY FOR PRECISION CROP MANAGEMENT-(Abstract Only)
    
    
  • DEVELOPING MANAGEMENT ZONES TO TARGET NITROGEN APPLICATIONS-()
    
    
  • ELECTRICAL CONDUCTIVITY AS A CROP PRODUCTIVITY MEASURE FOR CLAYPAN SOILS-(Peer Reviewed Journal)
    
    
  • USE OF UNSUPERVISED CLUSTERING ALGORITHMS FOR DELINEATING WITHIN-FIELD MANAGEMENT ZONES-()
    
    
  • FARMING SYSTEM EFFECTS ON NITRATE LOSS TO SURFACE RUNOFF-()
    
    
  • CAN TOPSOIL THICKNESS HELP DETERMINE CROP PHOSPHOROUS AND POTASSIUM NEEDS?-()
    
    
  • AN EVALUATION OF METHODS FOR DETERMINING SITE-SPECIFIC MANAGEMENT ZONES-(Proceedings)
    
    
  • SOIL CONDUCTIVITY SENSING ON CLAYPAN SOILS: COMPARISON OF ELECTROMAGNETIC INDUCTION AND DIRECT METHODS-(Proceedings)
    
    
  • DEVELOPMENT OF WITHIN-FIELD MANAGEMENT ZONES: SOIL SURVEY VERSUS A QUANTITATIVE MEASURE-(Proceedings)
    
    
  • EVALUATION OF CROP MODELS TO SIMULATE SITE-SPECIFIC CROP DEVELOPMENT AND YIELD-(Proceedings)
    
    
  • GIS-BASED INTEGRATED MODELING FOR SITE-SPECIFIC CROP MANAGEMENT-()
    
    
  • RIDGE- AND MULCH-TILLAGE FARMING SYSTEMS EFFECTS ON HERBICIDE AND NITRATE CONTAMINATION OF ROOT-ZONE WATER FOR CLAYPAN SOILS-(Peer Reviewed Journal)
    
    
  • INTEGRATING SPATIAL DATA COLLECTION, MODELING AND ANALYSIS FOR PRECISION AGRICULTURE-(Proceedings)
    
    
  • SOIL ELECTRICAL CONDUCTIVITY AS A CLAYPAN-SOIL CROP PRODUCTIVITY INDEX-(Abstract Only)
    
    
  • ESTIMATION OF CLAYPAN DEPTH BY ELECTROMAGNETIC (EM) MEANS ON SANBORN FIELD-()
    
    
  • SITE-SPECIFIC MANAGEMENT AND THE SEED INDUSTRY-(Proceedings)
    
    
  • USING ELECTROMAGNETIC INDUCTION TO CHARACTERIZE SOILS-()
    
    
  • CORN NITROGEN NEEDS AS IMPACTED BY WITHIN-FIELD CHANGES IN LANDSCAPE AND SOIL TYPES-(Proceedings)
    
    
  • TOPSOIL THICKNESS INFLUENCE ON PHOSPHORUS AND POTASSIUM AVAILABILITY AND CROP RESPONSE-(Proceedings)
    
    
  • APPLICATION OF CROP SIMULATION MODELS TO PRECISION AGRICULTURE IN MISSOURI-(Abstract Only)
    
    
  • VARIABLE-RATE NITROGEN FERTILIZER CORN RESPONSE ON MISSOURI CLAYPAN AND ALLUVIAL SOILS-(Abstract Only)
    
    
  • RESIDUAL PHOSPHORUS FROM STARTER FERTILIZER BANDS APPLIED TO NO-TILL SYSTEMS-(Abstract Only)
    
    
  • ELECTROMAGNETIC INDUCTION AS A SOIL PRODUCTIVITY INDEX-(Abstract Only)
    
    
  • SPATIAL MODELING OF CROP YIELD USING SOIL AND TOPOGRAPHIC DATA-(Proceedings)
    
    
  • IMPACT OF HISTORICAL AND CURRENT FARMING SYSTEMS ON GROUND WATER NITRATE IN NORTHERN MISSOURI-(Peer Reviewed Journal)
    
    
  • EVALUATION OF STARTER FERTILIZER AND RESIDUAL STARTER PHOSPHORUS BANDS FOR NO-TILL CROPPING SYSTEMS-(Proceedings)
    
    
  • PROTECTING WATER RESOURCES WITH PRECISION AGRICULTURE-(Abstract Only)
    
    

 

• Projects

  Long-term Management of Water Resources in the Central Mississippi River Basin In-House Appropriated (D)   Accession Number:432224

  Sustainable Intensification of Cropping Systems on Spatially Variable Landscapes and Soils In-House Appropriated (D)   Accession Number:435625

  Institutional Biological Safety Committee Non-Funded Cooperative Agreement (N)   Accession Number:418654

  Hay Yield Mapping by Proximal and Remote Sensing Non-Assistance Cooperative Agreement (S)   Accession Number:436741

  Improving Soil and Crop Management Decisions With Proximal-Sensing Assessments of Soil Health and Soil Planting Conditions Non-Assistance Cooperative Agreement (S)   Accession Number:437127

 

• ARS News Articles

  Precision Agriculture: Maximizing Benefits with Better Management