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Scott T Drummond
Cropping Systems and Water Quality Research
Information Technology Specialist (Applications Software)

Phone: (573) 882-9020
Fax: (573) 882-1115

269 AGRICULTURAL ENGINEERING BLDG.
UNIVERSITY OF MO
COLUMBIA, MO 65211

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Comparison of precision and conventional irrigation management of cotton and impact of soil texture Reprint Icon - (Peer Reviewed Journal)
Vories, E.D., O'Shaughnessy, S.A., Sudduth, K.A., Evett, S.R., Andrade, A., Drummond, S.T. 2020. Comparison of precision and conventional irrigation management of cotton and impact of soil texture. Precision Agriculture. 22(2):413-431. https://doi.org/10.1007/s11119-020-09741-3.
Estimating soil water content using electrical conductivity sensing - (Abstract Only)
Lee, K., Sudduth, K.A., Drummond, S.T. 2020. Estimating soil water content using electrical conductivity sensing [abstract]. ASABE Annual International Virtual Meeting, July 13-15, 2020.
Automation of yield-based management decisions - (Abstract Only)
Sudduth, K.A., Drummond, S.T., Long, D., Vigil, M.F. 2020. Automation of yield-based management decisions [abstract]. ASABE Annual International Virtual Meeting, July 13-15, 2020.
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.
Interaction of irrigation and soil effects on cotton yield - (Proceedings)
Vories, E.D., Sudduth, K.A., Drummond, S.T. 2019. Interaction of irrigation and soil effects on cotton yield. In: Proceedings 5th Global Workshop on Proximal Soil Sensing, May 28-31, 2019, Columbia, Missouri. p. 141-146.
A long-term precision agriculture system sustains grain profitability Reprint Icon - (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.
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.
Variable-rate application technologies in precision agriculture ()
Sudduth, K.A., Franzen, A.J., Zhu, H., Drummond, S.T. 2018. Variable-rate application technologies in precision agriculture. In: Stafford, J.V., editor. Precision Agriculture for Sustainability. Cambridge, United Kingdom: Burleigh Dodds Science Publishing Limited. p. 171-194.
Generalizable, extensible methods to implement QA/QC Tests on environmental data Reprint Icon - (Peer Reviewed Journal)
Sadler, E.J., Nash, P.R., Drummond, S.T., Chen, J., Greer, S.T., Sudduth, K.A. 2018. Generalizable, extensible methods to implement QA/QC Tests on environmental data. Transactions of the ASABE. 61(4):1193-1198. doi:10.13031/trans.12641.
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.
Inferring random component distributions from environmental measurements for quality assurance - (Peer Reviewed Journal)
Sadler, E.J., Sudduth, K.A., Drummond, S.T., Thompson, A.L., Chen, J., Nash, P.R. 2016. Inferring random component distributions from environmental measurements for quality assurance. Agricultural and Forest Meteorology. 237:362-370. doi: 10.1016/j.agrformet.2017.02.021.
Profile soil property estimation using a VIS-NIR-EC-force probe - (Peer Reviewed Journal)
Cho, Y., Sudduth, K.A., Drummond, S.T. 2017. Profile soil property estimation using a VIS-NIR-EC-force probe. Transactions of the ASABE. 60(3):683-692. doi: 10.13031/trans.12049.
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.
Long-term impact of a precision agriculture system on grain crop production Reprint Icon - (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.
Standardization of soil apparent electrical conductivity using multi-temporal surveys across multiple production fields - (Abstract Only)
Long-term impact of precision agriculture on a farmer’s field - (Abstract Only)
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.
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.
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.
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.
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.
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.
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.
Engineering and agronomy aspects of a long-term precision agriculture field experiment - (Abstract Only)
Instrumentation for full-year plot-scale runoff monitoring - (Proceedings)
Sudduth, K.A., Baffaut, C., Drummond, S.T., Sadler, E.J. Instrumentation for full-year plot-scale runoff monitoring. Paper No. 152189840. In: ASABE Annual International Meeting Technical Papers. ASABE, St. Joseph, MI [available online]. 2015.
Site-specific relationship between corn population and yield - (Proceedings)
Vories, E.D., Sudduth, K.A., Stevens, W., Drummond, S.T., Rhine, M. 2015. Site-specific relationship between corn population and yield. Paper No. 152170604. In: ASABE Annual International Meeting Technical Papers. ASABE, St. Joseph, MI {available online}. 2015.
Regional validation of a high-resolution digital soil map using soil profile attributes - (Abstract Only)
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.
Impact of soil variability on irrigated and rainfed cotton - (Peer Reviewed Journal)
Vories, E.D., Stevens, G., Sudduth, K.A., Drummond, S.T., Benson, R. 2015. Impact of soil variability on irrigated and rainfed cotton. Journal of Cotton Science. 19(1):1-14.
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.
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.
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].
Sensing nitrogen requirements for irrigated and rainfed cotton - (Peer Reviewed Journal)
Vories, E.D., Jones, A., Sudduth, K.A., Drummond, S.T., Benson, R. 2014. Sensing nitrogen requirements for irrigated and rainfed cotton. Applied Engineering in Agriculture. 30(5):707-716.
Long-term agroecosystem research in the Central Mississippi River Basin: Goodwater Creek Experimental Watershed weather data Reprint Icon - (Peer Reviewed Journal)
Sadler, E.J., Sudduth, K.A., Drummond, S.T., Vories, E.D., Guinan, P.E. 2015. Long-term agroecosystem research in the Central Mississippi River Basin: Goodwater Creek Experimental Watershed weather data. Journal of Environmental Quality. 44:13-17. DOI:10.2134/jeq2013.12.0515.
Engineering considerations in sensor-based nutrient management - (Abstract Only)
Sudduth, K.A., Drummond, S.T. 2013. Engineering considerations in sensor-based nutrient management [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts. 319.
Effect of drought stress on sensing nitrogen requirements for cotton - (Proceedings)
Vories, E.D., Jones, A., Sudduth, K.A., Drummond, S.T., Benson, R. 2013. Effect of drought stress on sensing nitrogen requirements for cotton. ASABE Annual International Meeting. Paper No. 131620324.
Validation testing of a soil macronutrient sensing system - (Peer Reviewed Journal)
Kim, H., Sudduth, K.A., Hummel, J.W., Drummond, S.T. 2013. Validation testing of a soil macronutrient sensing system. Transactions of the ASABE. 56(1):23-31.
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.
Calibrating canopy reflectance sensors to predict optimal mid-season nitrogen rate for cotton - (Peer Reviewed Journal)
Oliveira, L.F., Scharf, P.C., Vories, E.D., Drummond, S.T., Dunn, D.J., Stevens, W.E., Bronson, K.F., Benson, N.R., Hubbard, V.C., Jones, A.S. 2013. Calibrating canopy reflectance sensors to predict optimal mid-season nitrogen rate for cotton. Soil Science Society of America Journal. 77(1):173-183. DOI: 10.2136/sssaj2012.0154.
Water stress effects on spatially referenced cotton crop canopy properties - (Abstract Only)
Vories, E.D., Sudduth, K.A., Stevens, W.E., Drummond, S.T. 2012. Water stress effects on spatially referenced cotton crop canopy properties. Agronomy Abstracts. Paper No. 59-8.
Yield Editor 2.0: software for automated removal of yield map errors - (Proceedings)
Sudduth, K.A., Drummond, S.T., Myers, D.B. 2012. Yield Editor 2.0: software for automated removal of yield map errors. In: American Society of Agricultural and Biological Engineers International Meeting Technical Papers. July 29 – August 1, 2012, Dallas, Texas. Paper No. 121338243.
Automated yield map delay identification using phase correlation methodology - (Peer Reviewed Journal)
Lee, D., Sudduth, K.A., Drummond, S.T., Chung, S., Myers, D.B. 2012. Automated yield map delay identification using phase correlation methodology. Transactions of the ASABE. 55(3):743-752.
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.
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.
New methods for automatic delay time compensation in grain yield maps - (Proceedings)
Lee, D., Sudduth, K.A., Drummond, S.T., Chung, S., Myers, D.B. 2011. New methods for automatic delay time compensation in grain yield maps. ASABE Annual International Meeting, August 7-10, 2011, Louisville, Kentucky. Paper No. 1111626.
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.
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.
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.
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.
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.
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.
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.
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
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.
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.
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)
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.
Analysis of Spatial Variability in a Korean Paddy Field Using Median Polish Detrending - (Peer Reviewed Journal)
Chung, S.O., Jung, I.K., Sung, J.H., Sudduth, K.A., Drummond, S.T. 2008. Analysis of Spatial Variability in a Korean Paddy Field Using Median Polish Detrending. Journal of Biosystems Engineering. 33(5):362-369.
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.
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
WAVELENGTH IDENTIFICATION FOR REFLECTANCE ESTIMATION OF SURFACE AND SUBSURFACE SOIL PROPERTIES - (Proceedings)
Lee, K.S., Lee, D.H., Sudduth, K.A., Chung, S.O., Drummond, S.T. 2007. Wavelength identification for reflectance estimation of surface and subsurface soil properties. ASABE Annual International Meeting Technical Papers. ASABE, St. Joseph, MI. Paper No. 071046. Available: http://asae.frymulti.com/request.asp?search=1&JID=5&AID=22894&CID=min2007&v=&i=&T=2.
APPLICATION OF ION-SELECTIVE ELECTRODES FOR SIMULTANIOUS ANALYSIS OF SOIL MACRONUTRIENTS - (Proceedings)
Kim, H.J., Sudduth, K.A., Hummel, J.W., Drummond, S.T. 2007. Application of ion-selective electrodes for simultanious analysis of soil macronutrients. Paper No. 071004. In: ASABE Annual International Meeting Technical Papers. ASABE, St. Joseph, MI. Available: http://asae.frymulti.com/request.asp?search=1&JID=5&AID=23082&CID=min2007&v=&i=&T=2.
YIELD EDITOR: SOFTWARE FOR REMOVING ERRORS FROM CROP YIELD MAPS - (Peer Reviewed Journal)
Sudduth, K.A., Drummond, S.T. 2007. Yield editor: Software for removing errors from crop yield maps. Agronomy Journal. 99:1471-1482.
Database Structure for Long-Term Hydrologic Data in the Goodwater Creek Watershed - (Abstract Only)
Sadler, E.J., Lerch, R.N., Sudduth, K.A., Alberts, E.E., Oster, T., Drummond, S.T. 2006. Database Structure for Long-Term Hydrologic Data in the Goodwater Creek Watershed [Abstract]. Managing Agricultural Landscapes for Environmental Quality: Strengthening the Science Base, SWCS, October 11-13, 2006, Kansas City, Missouri. p. 81.
RELATING SPATIAL VARIATIONS IN SOIL COMPACTION TO SOIL PHYSICAL PROPERTIES AND CROP YIELDS - (Proceedings)
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.
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.
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]
ANALYSIS OF ERRORS AFFECTING YIELD MAP ACCURACY - (Proceedings)
Drummond, S.T., Sudduth, K.A. 2005. Analysis of errors affecting yield map accuracy. 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]
COMPARISON OF THE VERIS PROFILER 3000 TO AN ASAE-STANDARD PENETROMETER - (Peer Reviewed Journal)
Sudduth, K.A., Hummel, J.W., Drummond, S.T. 2004. Comparison of the Veris Profiler 3000 to an ASAE-standard penetrometer. Applied Engineering in Agriculture. 20(5):535-541.
SIMULTANEOUS SOIL MOISTURE AND CONE INDEX MEASUREMENT - (Peer Reviewed Journal)
Hummel, J.W., Ahmad, I.S., Newman, S.C., Sudduth, K.A., Drummond, S.T. 2004. Simultaneous soil moisture and cone index measurement. Transactions of the American Society of Agricultural Engineers. 47(3):607-618.
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.
FROM SENSORS TO INFORMATION: CLEANING YIELD MONITOR DATA - (Proceedings)
DRUMMOND, S.T., SUDDUTH, K.A. FROM SENSORS TO INFORMATION: CLEANING YIELD MONITOR DATA. INFOAG CONFERENCE. 2003. http://www.farmresearch.com/infoag/ProgramDesigner/ia_ShowFile.asp?MatID=22
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.
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.
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.
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
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.
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.
SENSING SYSTEMS FOR SITE-SPECIFIC ASSESSMENT OF CORN PLANTS - (Proceedings)
HUMMEL, J.W., DRUMMOND, S.T., SUDDUTH, K.A., KRUMPELMAN, M.J. SENSING SYSTEMS FOR SITE-SPECIFIC ASSESSMENT OF CORN PLANTS. PROCEEDINGS 6TH INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE. 2002. CD-ROM (UNPAGINATED). AMERICAN SOCIETY OF AGRONOMY. MADISON, WI.
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.
DETERMINING YIELD MONITORING SYSTEM DELAY TIME WITH GEOSTATISTICAL AND DATASEGMENTATION APPROACHES - (Peer Reviewed Journal)
CHUNG, S., SUDDUTH, K.A., DRUMMOND, S.T. DETERMINING YIELD MONITORING SYSTEM DELAY TIME WITH GEOSTATISTICAL AND DATA SEGMENTATION APPROACHES. TRANSACTIONS OF THE AMERICAN SOCIETY OF AGRICULTURAL ENGINEERS. 2003. V. 45(4). P. 915-926.
ESTIMATING WITHIN-FIELD VARIATIONS IN SOIL PROPERTIES FROM AIRBORNE HYPERSPECTRAL IMAGES - (Abstract Only)
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.
GEOSTATISTICAL AND DATA SEGMENTATION APPROACHES FOR DETERMINING YIELD MONITORING SYSTEM DELAY TIME ()
AGRONOMIC AND ECONOMIC EVALUATION OF VARIABLE-RATE CORN SEEDING ON MISSOURI SOILS - (Abstract Only)
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.
SPATIAL VARIABILITY OF YIELD, CHLOROPHYLL CONTENT, AND SOIL PROPERTIES IN AKOREAN RICE PADDY FIELD - (Proceedings)
AGRONOMIC EVALUATION OF VARIABLE-RATE SEEDING ON MISSOURI SOILS - (Proceedings)
SOIL CHARACTERIZATION USING A NEAR-INFRARED PENETROMETER - (Proceedings)
EVALUATION OF A SOIL CONDUCTIVITY SENSING PENETROMETER ()
PREDICTIVE ABILITY OF NEURAL NETWORKS FOR SITE-SPECIFIC YIELD ESTIMATION - (Proceedings)
MEASURING AND INTERPRETING SOIL ELECTRICAL CONDUCTIVITY FOR PRECISION AGRICULTURE - (Proceedings)
CHARACTERIZING SOIL PHYSICAL AND CHEMICAL PROPERTIES INFLUENCING CROP YIELDUSING SOIL ELECTRICAL CONDUCTIVITY - (Proceedings)
SITE SPECIFIC FERTILIZER RECOMMENDATION METHODS TO IMPROVE NUTRIENT UTILIZATION - (Abstract Only)
USING SITE-SPECIFIC NITROGEN APPLICATIONS TO IMPROVE WATER QUALITY - (Abstract Only)
PRECISION NITROGEN STRATEGIES FOR MIDWEST CLAYPAN SOILS - (Proceedings)
QUANTIFYING SOIL AND LANDSCAPE VARIABILITY FOR PRECISION CROP MANAGEMENT - (Abstract Only)
AN EVALUATION OF METHODS FOR DETERMINING SITE-SPECIFIC MANAGEMENT ZONES - (Proceedings)