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United States Department of Agriculture

Agricultural Research Service

Related Topics

Thomas C Kaspar (Tom)
Agroecosystems Management Research
Plant Physiology

Phone: (515) 294-8873
Fax: (515) 294-8125
Room 238

2110 UNIVERSITY BOULEVARD
NLAE
AMES , IA 500113120

Projects
Cropping Systems for Enhanced Sustainability and Environmental Quality in the Upper Midwest
Appropriated (D)
  Accession Number: 425501
Cover Crops Influence Nutrient Cycling, Yield, and Diseases of Corn and Soybean
Nonfunded Cooperative Agreement (N)
  Accession Number: 430154
WINTER RYE COVER CROP EFFECT ON CORN SEEDLING PATHOGENS
Reimbursable (R)
  Accession Number: 422786

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Soil water improvements with the long-term use of a winter rye cover crop -
Basche, A.D., Kaspar, T.C., Archontoulis, S., Jaynes, D.B., Sauer, T.J., Parkin, T.B., Miguez, F. 2016. Soil water improvements with the long-term use of a winter rye cover crop. Agricultural Water Management. 172:40-50. doi: 10.1016/j.agwat.2016.04.006.
The potential for cereal rye cover crops to host corn seedling pathogens -
Bakker, M.G., Acharya, J., Moorman, T.B., Robertson, A., Kaspar, T.C. 2016. The potential for cereal rye cover crops to host corn seedling pathogens. Phytopathology. 106:591-601.
Simulating woodchip bioreactor performance using a dual-porosity model -
Jaynes, D.B., Moorman, T.B., Parkin, T.B., Kaspar, T.C. 2016. Simulating woodchip bioreactor performance using a dual-porosity model. Journal of Environmental Quality. 45(3):830-838. doi: 10.2134/jeq2015.07.0342.
Effect of length of interval between cereal rye cover crop termination and corn planting on seedling root disease and corn growth -
Kaspar, T.C., Acharya, J., Robertson, A., Bakker, M.G., Lenssen, A., Moorman, T.B. 2015. Effect of length of interval between cereal rye cover crop termination and corn planting on seedling root disease and corn growth. In: Proceedings of ASA-CSSA-SSSA Annual Meeting, November 15-18, 2015, Minneapolis, Minnesota. Poster No. 502.
Simulating long-term impacts of cover crops and climate change on crop production and environmental outcomes in the midwestern United States -
Basche, A.D., Archontoulis, S., Kaspar, T.C., Jaynes, D.B., Parkin, T.B., Miguez, F. 2016. Simulating long-term impacts of cover crops and climate change on crop production and environmental outcomes in the midwestern United States. Agriculture, Ecosystems and Environment. 218:95-106. doi: 10.1016/j.agee.2015.11.011.
Seeding date affects fall growth of winter canola (Brassica napus L. ‘Baldur’) and its performance as a winter cover crop in central Iowa -
Martinez-Feria, R., Kaspar, T.C., Wiedenhoeft, M.H. 2016. Seeding date affects fall growth of winter canola (Brassica napus L. ‘Baldur’) and its performance as a winter cover crop in central Iowa. Crop, Forage & Turfgrass Management. 2(1). doi: 10.2134/cftm2015.0181.
Cover crops in vegetable production systems -
Nair, A., Kaspar, T.C. 2015. Cover crops in vegetable production systems. Extension Publications. HORT 3026. Iowa State University Extension and Outreach.
Winter rye cover crops as a host for corn seedling pathogens -
Bakker, M.G., Moorman, T.B., Kaspar, T.C., Manter, D.K. 2016. Winter rye cover crops as a host for corn seedling pathogens. American Phytopathological Society. 106:S1.2. doi: 10.1094/PHYTO-106-1-s1.1
Effect of date of termination of a winter cereal rye cover crop (Secale cereale) on corn seedling disease -
Acharya, J., Bakker, M.G., Kaspar, T.C., Moorman, T.B., Lenssen, A., Robertson, A. 2016. Effect of date of termination of a winter cereal rye cover crop (Secale cereale) on corn seedling disease. American Phytopathological Society Annual Meeting. 106:S1.1.
Biomass production of 12 winter cereal cover crop cultivars and their effect on subsequent no-till corn yield -
Kaspar, T.C., Bakker, M.G. 2015. Biomass production of 12 winter cereal cover crop cultivars and their effect on subsequent no-till corn yield. Journal of Soil and Water Conservation. 70(6):142A-154A. doi: 10.2489/jswc.70.6.142A.
Winter rye cover crop effect on corn seedling pathogens -
Schenck, L., Kaspar, T.C., Moorman, T.B., Bakker, M.G., Loynachan, T.E. 2014. Winter rye cover crop effect on corn seedling pathogens. ASA-CSSA-SSSA Annual Meeting Abstracts. ASA-CSSA-SSSA Annual Meeting. November 2-11, 2014, Long Beach, California. 388-12:500. Available: https://scisoc.confex.com/scisoc/2014am/webprogram/Paper86203.html
Evaluation of a model framework to estimate soil and soil organic carbon redistribution by water and tillage using 137Cs in two U.S Midwest agricultural fields Reprint Icon -
Young, C.J., Liu, S., Schumacher, J.A., Schumacher, T.E., Kaspar, T.C., McCarty, G.W., Napton, D., Jaynes, D.B. 2014. Evaluation of a model framework to estimate soil and soil organic carbon redistribution by water and tillage using 137Cs in two U.S Midwest agricultural fields. Geoderma. 232:437-448. Available at: http://www.sciencedirect.com/science/journal/00167061/232.
Rye cover crop effects on soil quality in no-till corn silage-soybean cropping systems -
Moore, E.B., Kaspar, T.C., Wiedenhoeft, M.H., Cambardella, C.A. 2014. Rye cover crop effects on soil quality in no-till corn silage-soybean cropping systems. Soil Science Society of America Journal. 78(3):968-976. DOI: 10.2136/sssaj2013.09.0401.
Cover crops in the upper midwestern United States: Potential adoption and reduction of nitrate leaching in the Mississippi River Basin -
Kladivko, E.J., Kaspar, T.C., Jaynes, D.B., Malone, R.W., Singer, J., Morin, X.K., Searchinger, T. 2014. Cover crops in the upper midwestern United States: Potential adoption and reduction of nitrate leaching in the Mississippi River Basin. Journal of Soil and Water Conservation. 69(4):279-291. DOI: 10.2489/jswc.69.4.279.
Modeling the long-term effect of winter cover crops on nitrate transport in artificially drained fields across the Midwest U.S. -
Cover crops in the upper midwestern United States: Simulated effect on nitrate leaching with artificial drainage -
Malone, R.W., Jaynes, D.B., Kaspar, T.C., Thorp, K.R., Kladivko, E.J., Ma, L., James, D.E., Singer, J.W., Morin, X.K., Searchinger, T.D. 2014. Cover crops in the upper midwestern United States: Simulated effect on nitrate leaching with artificial drainage. Journal of Soil and Water Conservation. 69:292-305.
Do cover crops increase or decrease nitrous oxide emissions? A meta-analysis -
Basche, A.D., Miguez, F.E., Kaspar, T.C., Castellano, M.J. 2014. Do cover crops increase or decrease nitrous oxide emissions? A meta-analysis. Journal of Soil and Water Conservation. 69:471-482.
Nitrous oxide emissions from intensively managed agroecosystems: The role of carbon inputs -
Castellano, M.J., Basche, A., Iqball, J., Kaspar, T.C., Miguez, F., Mitchell, D.C., Parkin, T.B. 2013. Nitrous oxide emissions from intensively managed agroecosystems: The role of carbon inputs. American Geophysical Union Meeting Abstract Database. Available at: http://abstractsearch.agu.org/meetings/2013/FM/sections/B/sessions/B14C/abstracts/B14C-01.html.
Rye cover crop effects on nitrous oxide emissions from a corn-soybean system -
Parkin, T.B., Kaspar, T.C., Jaynes, D.B., Moorman, T.B. 2013. Rye cover crop effects on nitrous oxide emissions from a corn-soybean system [abstract]. ASA-CSSA-SSSA Annual Meeting Abstracts, November 3-6, 2013, Tampa, FL.
Winter cover crop effect on corn seedling pathogens -
Schenck, L., Kaspar, T.C., Moorman, T.B., Bakker, M.G. 2013. Winter cover crop effect on corn seedling pathogens. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 3-6, 2013, Tampa, FL. Available: https://scisoc.confex.com/crops/2013am/webprogram/start.html.
Rye cover crop effects on soil properties in no-till corn silage/soybean agroecosystems -
Moore, E., Kaspar, T.C., Wiedenhoeft, M., Cambardella, C.A. 2012. Rye cover crop effects on soil properties in no-till corn silage/soybean agroecosystems. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting. Oct. 21-24, 2012, Cincinnati, OH. Available: https://www.acsmeetings.org/meetings.
Dealing with drought: Securing nitrogen with cover crops -
Kaspar, T.C., Meisinger, J.J., Robison, D. 2012. Dealing with drought: Securing nitrogen with cover crops. World Wide Web. Available: http://www.croplife.com/webinars.
Effectiveness of oat and rye cover crops in reducing nitrate losses in drainage water -
Kaspar, T.C., Jaynes, D.B., Parkin, T.B., Moorman, T.B., Singer, J.W. 2012. Effectiveness of oat and rye cover crops in reducing nitrate losses in drainage water. Agricultural Water Management. 110:25-33. DOI:10.1016/j.agwat.2012.03.010.
Midwest Cover Crops Field Guide -
Fisher, B., Gerber, C., Johnson, K., Kladivko, E., Nice, G., Robison, D., Kaspar, T.C., Ackroyd, V.J., Baas, D.G., Bird, G.W., Brainard, D.C., Goldy, R.G., Harrigan, T.M., Hausbeck, M.K., Mutch, D.R., Ngouajio, M., Renner, K., Sprague, C., Taylor, E., Hoorman, J.J., Islam, R., Petrosino, J., Reeder, R., Sundermeier, A., Young, C., Brown, C., Callow, K., Celetti, M., Robinson, D., Tenuta, A., Van Eerd, L., Verhallen, A., Albrecht, K. 2012. Midwest Cover Crops Field Guide. p. 136. Available: http://www3.ag.purdue.edu/agry/dtc/Pages/CoverCropsFG.aspx.
Effectiveness of oat and rye cover crops in reducing nitrate losses in drainage water -
Kaspar, T.C., Jaynes, D.B., Parkin, T.B., Moorman, T.B., Singer, J.W. 2011. Effectiveness of oat and rye cover crops in reducing nitrate losses in drainage water. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting. Oct. 16-19, 2011, San Antonio, TX. CD-ROM.
Rye cover crop effects on soil properties in no-till corn silage/soybean agroecosystems -
Moore, E., Kaspar, T.C., Wiedenhoeft, M. 2011. Rye cover crop effects on soil properties in no-till corn silage/soybean agroecosystems. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting. Oct. 16-19, 2011, San Antonio, TX. CD-ROM.
Quantities and qualities of physical and chemical fractions of soil organic matter under a rye cover crop -
Olk, D.C., Cambardella, C.A., Kaspar, T.C. 2011. Quantities and qualities of physical and chemical fractions of soil organic matter under a rye cover crop. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting. Oct. 16-19, 2011, San Antonio, TX. CD-ROM.
Soil CO2 flux in response to wheel traffic in a no-till system -
Kaspar, T.C., Parkin, T.B. 2011. Soil CO2 flux in response to wheel traffic in a no-till system. Soil Science Society of America Journal. 75:2296-2304.
Economically optimal N rates of corn management zones delineated from soil and terrain attributes -
Jaynes, D.B., Kaspar, T.C., Colvin, T. 2011. Economically optimal N rates of corn management zones delineated from soil and terrain attributes. Agronomy Journal. 103:1026-1035.
Estimating soil organic carbon using aerial imagery and soil surveys -
Gelder, B.K., Anex, R.P., Kaspar, T.C., Sauer, T.J., Karlen, D.L. 2011. Estimating soil organic carbon using aerial imagery and soil surveys. Soil Science Society of America Journal. 75:1821-1828.
The use of cover crops to manage soil -
Kaspar, T.C., Singer, J.W. 2011. The use of cover crops to manage soil. In: Hatfield, J.L., Sauer, T.J., editors. Soil Management: Building a stable base for agriculture. Madison, WI: American Society of Agronomy and Soil Science Society of America. p. 321-337.
Seasonal Shifts in the Biochemical Compoments of the Light Fraction, Particulate Organic Matter, and Two Humic Acid Fractions in An Iowa Soil -
Olk, D.C., Cambardella, C.A., Kaspar, T.C. 2010. Seasonal Shifts in the Biochemical Compoments of the Light Fraction, Particulate Organic Matter, and Two Humic Acid Fractions in An Iowa Soil. American Society of Agronomy Annual Meetings [abstracts]. ASA-CSSA-SSSA Annual Meeting. Oct. 31 - Nov. 4, 2010, Long Beach, CA. CD-ROM.
Using cover crops and cropping systems for nitrogen management -
Dabney, S.M., Meisinger, J.J., Schomberg, H.H., Liebig, M.A., Kaspar, T.C., Delgado, J.A., Mitchell, J., Reeves, D.W. 2010. Using cover crops and cropping systems for nitrogen management. p. 230-281. In Delgado, J.A. and R.F. Follett (eds) Advances in Nitrogen Management for Water Quality, Ankeny, IA.
Denitrification Activity, Wood Loss, and N2O Emissions Over 9 Years From a Wood Chip Bioreactor -
Moorman, T.B., Parkin, T.B., Kaspar, T.C., Jaynes, D.B. 2010. Denitrification Activity, Wood Loss, and N2O Emissions Over 9 Years From a Wood Chip Bioreactor. Ecological Engineering. 36:1567-1574.
Root characteristics of two soybean cultivars grown in fumigated fields in Iowa -
Murillo-Williams, A., Kaspar, T.C., Pedersen, P. 2010. Root characteristics of two soybean cultivars grown in fumigated fields in Iowa. Crop Science. 50:2037-2045.
Cover Crops -
Kaspar, T.C. 2009. Cover Crops. In: Indiana Certified Crop Advisor Conference, December 15-16, 2009, Indianapolis, IN. 2009 CD-ROM.
Cover Crop Biomass and Corn Yield Following 13 Rye, Wheat, and Triticale Cultivars Used as Winter Cover Crops -
Kaspar, T.C. 2009. Cover Crop Biomass and Corn Yield Following 13 Rye, Wheat, and Triticale Cultivars Used as Winter Cover Crops [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 1-5, 2009, Pittsburgh, PA.
Cover Crop Effects on Nitrous Oxide Emission from a Manure-Treated Mollisol Reprint Icon -
Jarecki, M.K., Parkin, T.B., Chan, A.S., Kaspar, T.C., Moorman, T.B., Singer, J.W., Kerr, B.J., Hatfield, J.L., Jones, R. 2009. Cover Crop Effects on Nitrous Oxide Emission from a Manure-Treated Mollisol. Agriculture, Ecosystems and Environment. 134(1-2):29-35.
Denitrification in Wood Chip Bioreactors at Different Water Flows -
Greenan, C., Moorman, T.B., Parkin, T.B., Kaspar, T.C., Jaynes, D.B. 2009. Denitrification in Wood Chip Bioreactors at Different Water Flows. Journal of Environmental Quality. 38:1664-1671.
A Centralized Regional Database for Winter Cover Crops in Annual Cropping Systems -
Kaspar, T.C., Kladivko, E., Wyse, D.L., Verhallen, E.A., Sundermeier, A., Mutch, D.R., Baas, D.G. 2008. A Centralized Regional Database for Winter Cover Crops in Annual Cropping Systems [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Oct. 5-9, 2008, Houston, TX.
Winter Cover Crop Effects on Nitrate Leaching in Subsurface Drainage as Simulated by RZWQM-DSSAT -
Li, L., Malone, R.W., Ma, L., Kaspar, T.C., Jaynes, D.B., Saseendran, S.A., Thorp, K.R., Yu, Q., Ahuja, L.R. 2008. Winter Cover Crop Effects on Nitrate Leaching in Subsurface Drainage as Simulated by RZWQM-DSSAT. Transactions of the ASABE. 51:1575-1583.
Studies of spatial patterns of soil redistribution in two small agricultural fields -
Ritchie, J.C., McCarty, G.W., Kaspar, T.C., Venteris, E.R. 2009. Studies of spatial patterns of soil redistribution in two small agricultural fields [abstract]. Agronomy Society of America. 60-1.
Small Grain Winter Cover Crops for Corn and Soybean -
Kaspar, T.C., Singer, J.W. 2008. Small Grain Winter Cover Crops for Corn and Soybean. Electronic Publication. Available: http://www.cai.iastate.edu/modules/module.aspx?modID=91.
Rye Cover Crops in a Corn Silage-Soybean Rotation -
Kaspar, T.C., Singer, J.W. 2007. Rye Cover Crops in a Corn Silage-Soybean Rotation [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 4-8, 2007, New Orleans, LA.
POTENTIAL AND LIMITATIONS OF COVER CROPS, LIVING MULCHES, AND PERENNIALS TO REDUCE NUTRIENT LOSSES TO WATER SOURCES FROM AGRICULTURAL FIELDS IN THE UPPER MISSISSIPPI BASIN -
Kaspar, T.C., Kladivko, E.J., Singer, J.W., Morse, S., Mutch, D. 2008. Potential and limitations of cover crops, living mulches, and perennials to reduce nutrient losses to water sources from agricultural fields in the upper Mississippi basin. In: Final Report: Gulf Hypoxia and Local Water Quality Concerns Workshop. St. Joseph, Michigan, ASABE. p.129-148.
Potential Methods for Reducing Nitrate Losses in Artificially Drained Fields -
Jaynes, D.B., Kaspar, T.C., Moorman, T.B., Parkin, T.B. 2008. Potential Methods for Reducing Nitrate Losses in Artificially Drained Fields. Journal of Environmental Quality. 37:429-436.
Managing Cover Crops in Conservation Tillage Systems -
Balkcom, K.S., Schomberg, H.H., Reeves, D.W., Clark, A., Baumhardt, R.L., Collins, H.P., Delgado, J.A., Kaspar, T.C., Mitchell, J., Duiker, S. 2007. Managing Cover Crops in Conservation Tillage Systems. In: Clark, A. Managing Cover Crops Profitability. 3rd edition. Handbook Series Book 9. Sustainable Agriculture Network. p. 44-61.
Evaluating and predicting agricultural management effects under tile-drainage using modified APSIM -
Malone, R.W., Huth, N., Carberry, P.S., Ma, L., Kaspar, T.C., Karlen, D.L., Meade, T.G., Kanwar, R.S., Heilman, P. 2007. Evaluating and predicting agricultural management effects under tile-drainage using modified APSIM. Geoderma. 140:310-322.
Rye Cover Crop and Gamagrass Strip Effects on NO3 Concentration and Load in Tile Drainage -
Kaspar, T.C., Jaynes, D.B., Parkin, T.B., Moorman, T.B. 2007. Rye Cover Crop and Gamagrass Strip Effects on NO3 Concentration and Load in Tile Drainage. Journal of Environmental Quality. 36(5):1503-1511.
Soil Respiration in Response to Landscape Position -
Desutter, T.M., Parkin, T.B., Kaspar, T.C., Sauer, T.J., Hatfield, J.L. 2006. Soil Respiration in Response to Landscape Position [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 12-16, 2006, Indianapolis, IN.
Cover Crop Effects on the Fate of Swine Manure-N Applied to Soil -
Kaspar, T.C., Parkin, T.B., Singer, J.W. 2006. Cover Crop Effects on the Fate of Swine Manure-N Applied to Soil [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.
In-Field Bioreactor for Removing Nitrate from Tile Drainage -
Jaynes, D.B., Kaspar, T.C., Moorman, T.B., Parkin, T.B. 2006. In-Field Bioreactor for Removing Nitrate from Tile Drainage [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts, Nov. 12-16, 2006, Indianapolis, IN.
Field Comparison of Methods for Measuring Soil CO2 Flux -
Parkin, T.B., De Sutter, T.M., Prueger, J.H., Kaspar, T.C., Sauer, T.J. 2006. Field Comparison of Methods for Measuring Soil CO2 Flux [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.
Field measurement results versus DAYCENT simulations in nitrous oxide emission from agricultural soil in Central Iowa -
Jarecki, M.K., Parkin, T.B., Chan, A., Kaspar, T.C., Hatfield, J.L., Jones, R.A. 2006. Field measurement results versus DAYCENT simulations in nitrous oxide emission from agricultural soil in Central Iowa [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.
Field Measurement of Soil Surface Chemical Transport Properties for Comparison of Management Zones -
Heitman, J.L., Gaur, A., Horton, R., Jaynes, D.B., Kaspar, T.C. 2007. Field Measurement of Soil Surface Chemical Transport Properties for Comparison of Management Zones. Soil Science Society of America Journal. 71(2):529-536.
Geomorphic Controls of Soil and Carbon Redistribution Across an Agricultural Landscape -
Ritchie, J.C., McCarty, G.W., Venteris, E.R., Kaspar, T.C. 2006. Geomorphic controls of soil and carbon redistribution across an agricultural landscape [abstract]. American Geophysical Union Fall Meeting Abstract No. B51B-309.
NITROUS OXIDE EMISSIONS FROM CORN/SOYBEAN SYSTEMS IN THE MIDWEST -
Parkin, T.B., Kaspar, T.C. 2006. Nitrous oxide emissions from corn/soybean systems in the Midwest. Journal of Environmental Quality. 35:1496-1506.
Response to "Comments on 'Need for a Soil-based Approach in managing Nitrogen Fertilizers for Profitable Corn Production' and 'Soil Organic Nitrogen Enrichment Following Soybean in an Iowa Corn-Soybean Rotation'" -
Jaynes, D.B., Olk, D.C., Colvin, T., Kaspar, T.C., Karlen, D.L. 2007. Response to "Comments on 'Need for a Soil-based Approach in managing Nitrogen Fertilizers for Profitable Corn Production' and 'Soil Organic Nitrogen Enrichment Following Soybean in an Iowa Corn-Soybean Rotation'". Soil Science Society of America Journal. 71(1):255.
COVER CROP EFFECTS ON THE FATE OF SWINE MANURE-N APPLIED TO SOIL -
Parkin, T.B., Kaspar, T.C., Singer, J.W. 2006. Cover crop effects on the fate of swine manure-N applied to soil. Plant and Soil Journal. 289:141-152.
EXAMINING CHANGES IN SOIL ORGANIC CARBON WITH OAT AND RYE COVER CROPS USING TERRAIN COVARIATES -
Kaspar, T.C., Parkin, T.B., Jaynes, D.B., Cambardella, C.A., Meek, D.W., Jung, Y.S. 2006. Examining changes in soil organic carbon with oat and rye cover crops using terrain covariates. Soil Science Society of America Journal. 70:1168-1177.
COVER CROP SELECTION AND MANAGEMENT FOR MIDWEST FARMING SYSTEMS -
Singer, J.W., Kaspar, T.C. 2006. Cover crop selection and management for midwest farming systems. Iowa Learning Farm Newsletter. Available: http://www.extension.iastate.edu/ilf/.
COVER CROP SELECTION AND MANAGEMENT FOR AGRONOMIC FARMING SYSTEMS -
Singer, J.W., Kaspar, T.C. 2005. Cover crop selection and management for agronomic farming systems. In: Proceedings of the Integrated Crop Management Conference, Nov. 30-Dec. 1, 2005, Ames, IA. p. 197-198.
EFFECTS OF A RYE COVER CROP AND A PERMANENT GAMAGRASS STRIP ON NITRATE LOAD IN TILE DRAINAGE -
Kaspar, T.C., Jaynes, D.B., Parkin, T.B., Moorman, T.B. 2005. Effects of a rye cover crop and a permanent gamagrass strip on nitrate load in tile drainage [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 6-10, 2005, Salt Lake City, UT.
COMPARING CARBON SUBSTRATES FOR DENITRIFICATION OF SUBSURFACE DRAINAGE WATER -
Greenan, C.M., Moorman, T.B., Kaspar, T.C., Parkin, T.B., Jaynes, D.B. 2006. Comparing carbon substrates for denitrification of subsurface drainage water. Journal of Environmental Quality. 35:824-829.
IDENTIFYING SPATIAL PATTERNS OF EROSION FOR USE IN PRECISION CONSERVATION -
Schumacher, J.A., Venteris, E.R., Mccarty, G.W., Ritchie, J.C., Kaspar, T.C., Colvin, T.S., Jaynes, D.B., Karlen, D.L., Fenton, T.E., Schumacher, T.E., Lindstrom, M.J. 2005. Identifying spatial patterns of erosion for use in precision conservation. Journal of Soil and Water Conservation. 60(6):355-362.
SOIL AMINO ACID ENRICHMENT FOLLOWING SOYBEAN IN AN IOWA CORN-SOYBEAN ROTATION 1753 -
Martens, D.A., Jaynes, D.B., Colvin, T.S., Kaspar, T.C., Karlen, D.L. 2006. Soil amino acid enrichment following soybean in an Iowa corn-soybean rotation. Soil Science Society of America Journal. 70:382-392.
SMALL GRAIN COVER CROPS FOR CORN AND SOYBEAN -
Singer, J.W., Kaspar, T.C., Pedersen, P. 2005. Small grain cover crops for corn and soybean. Fact Sheet:PM 1999. Meeting Abstract. Available: http://www.extension.iastate.edu/pubs/Masterlist4.html#1800
SOIL AND SOIL ORGANIC CARBON REDISTRIBUTION IN AGRICULTURAL ECOSYSTEMS -
Ritchie, J.C., McCarty, G.W., Venteris, E.R., Kaspar, T.C. 2007. Soil and soil organic carbon redistribution in agricultural ecosystems. Geomorphology. 89(1-2):163-171.
RELATIONSHIP OF SOIL RESPIRATION TO CROP AND LANDSCAPE IN THE WALNUT CREEK WATERSHED -
Parkin, T.B., Kaspar, T.C., Senwo, Z., Prueger, J.H., Hatfield, J.L. 2005. Relationship of soil respiration to crop and landscape in the Walnut Creek watershed. Journal of Hydrometeorology. 6(6):812-824.
NITROUS OXIDE EMISSIONS FROM MIDWEST CORN/SOYBEAN CROPPING SYSTEMS -
Parkin, T.B., Kaspar, T.C. 2005. Nitrous oxide emissions from midwest corn/soybean cropping systems. USDA Greenhouse Gas Symposium. http://soilcarboncenter.k-state.edu/conference/Abstract_Pages.htm.
FILLING DATA GAPS IN SOIL RESPIRATION MEASUREMENTS USING AUTOCORRELATION -
Parkin, T.B., Kaspar, T.C. 2005. Filling data gaps in soil respiration measurements using autocorrelation. USDA Greenhouse Gas Symposium. http://soilcarboncenter.k-state.edu/conference/Abstract_Pages.htm
SOIL AND SOIL ORGANIC CARBON REDISTRIBUTION IN AGRICULTURAL ECOSYSTEMS -
Ritchie, J., McCarty, G., Venteris, E., Kasper, T. 2005. Soil and soil organic carbon redistribution in agricultural ecosystems [abstract]. European Geophysical Research Abstracts. 7:00571.
USING SOIL REDISTRIBUTION TO UNDERSTAND SOIL ORGANIC CARBON REDISTRIBUTION AND BUDGETS -
Ritchie, J.C., McCarty, G.W. Venteris, E.R., Kaspar, T.C. 2005. Using sediment budgets to understand soil organic carbon redistribution and budgets. International Association of Hydrological Sciences Publication. 292:3-8.
SOIL CO2 FLUX ON A HILLSLOPE TRANSECT IN RELATION TO TERRAIN VARIABLES, SOIL TEXTURE, SOIL OM, AND RESIDUE INPUTS -
Kaspar, T.C., Parkin, T.B. 2004. Soil CO2 Flux on a Hillslope Transect in Relation to Terrain Variables, Soil Texture, Soil OM, and Residue Inputs [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. Madison, Wisconsin.
IDENTIFYING SPATIAL PATTERNS OF EROSION FOR USE IN PRECISION CONSERVATION -
Schumacher, J.A., Venteris, E.R., Mccarty, G.W., Ritchie, J.C., Kaspar, T.C., Colvin, T.S., Jaynes, D.B., Karlen, D.L., Fenton, T.E., Schumacher, T.E., Lindstrom, M.J. 2004. Identifying Spatial Patterns of Erosion for Use in Precision Conservation [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. Madison, Wisconsin. p. 4780.
ULTRASONIC SENSING FOR CORN PLANT CANOPY CHARACTERIZATION -
Abd Aziz, S., Stewart, B.L., Birrell, S.J., Kaspar, T.C., Shrestha, D.S. 2004. Ultrasonic sensing for corn plant canopy characterization. ASAE Annual International Meeting. St. Joseph, MI. Paper No. 04-041120.
DEVELOPMENT OF NITROGEN RESPONSE CURVES USING FIELD SCALE DATA AND DATA MINING -
Chaudhary, A., Colvin, T.S., Jaynes, D.B., Kaspar, T.C. 2004. Development of nitrogen response curves using field scale data and data mining. International Conference on Precision Agriculture Abstracts & Proceedings. [CD-ROM]. Madison, WI.
ASSESSING SOIL ORGANIC CARBON REDISTRIBUTION WITH FALLOUT CESIUM-137 -
Ritchie, J.C., McCarty, G.W., Venteris, E.R., Kaspar, T.C., Owens, L.B., Nearing, M. 2004. Assessing soil organic carbon redistribution with fallout 137Cesium. In: Proceedings of Conserving Soil and Waterfor Society: Sharing Solutions, ISCO 2004-13th International Soil Conservation Organization Conference, July 4-9, 2004, Brisbane, Australia. 613:4. 2004 CDROM.
POTENTIAL METHODS FOR REDUCING NITRATE LOSSES IN ARTIFICIALLY DRAINED FIELDS -
Jaynes, D.B., Kaspar, T.C., Moorman, T.B., Parkin, T.B. 2004. Potential methods for reducing nitrate losses in artificially drained fields. International Drainage Symposium. VIII:p. 59-69.
BEYOND FERTILIZER MANAGEMENT: IN-FIELD APPROACHES FOR REDUCING NITRATE LOADS COMING FROM AGRICULTURAL DRAINAGE TILES -
Kaspar, T.C., Jaynes, D.B., Parkin, T.B., Moorman, T.B. 2004. Beyond fertilizer management: in-field approaches for reducing nitrate loads coming from agricultural drainage tiles [abstract]. Final Program Book of Abstracts, The Ninth Biennial Conference Minnesota Water 2004: Policy and Planning to Ensure Minnesota's Water Supplies. Minneapolis, MN. p. 70.
RELATIONSHIP OF CORN AND SOYBEAN YIELD TO SOIL AND TERRAIN PROPERTIES -
Kaspar, T.C., Pulido, D.J., Fenton, T.E., Colvin, T.S., Karlen, D.L., Jaynes, D.B., Meek, D.W. 2004. Relationship of corn and soybean yield to soil and terrain properties. Agronomy Journal. 96(3):700-709.
ASSESSING SOIL AND SOIL CARBON REDISTRIBUTION PATTERNS USING RADIOACTIVE FALLOUT 137 CESIUM -
Ritchie, J.C., McCarty, G.W., Venteris, E.R., Owens, L.B., Kaspar, T.C., Nearing, M.A. 2003. Assessing soil and soil carbon redistribution patterns using radioactive fallout 137 Cesium [abstract]. Abstracts of 2003 Global Climate Terrestrial Ecology Meeting in Tucson, Arizona. p. 28.
TEMPORAL VARIABILITY OF SOIL C02 FLUX: EFFECT OF SAMPLING FREQUENCY ON CUMULATIVE CARBON LOSS ESTIMATION -
Parkin, T.B., Kaspar, T.C. 2004. Temporal variability of soil C02 flux: effect of sampling frequency on cumulative carbon loss estimation. Soil Science Society of America Journal. 68(4):1234-1241.
IDENTIFYING POTENTIAL SOYBEAN MANAGEMENT ZONES FROM MULTI-YEAR YIELD DATA -
Jaynes, D.B., Kaspar, T.C., Colvin, T.S., 2005. Identifying potential soybean management zones from multi-year yield data. Computers in Agriculture. 46(1-3):309-327.
STIMULATION OF DENITRIFICATION AND NITRATE REMOVAL FROM SUBSURFACE DRAINAGE WATER -
MOORMAN, T.B., PARKIN, T.B., JAYNES, D.B., KASPAR, T.C. STIMULATION OF DENITRIFICATION AND NITRATE REMOVAL FROM SUBSURFACE DRAINAGE WATER. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2003. CD-ROM. MADISON, WI.
CHANGES IN SOIL CARBON RESPONSE TO YEAR, PREVIOUS CROP, AND COVER CROP -
KASPAR, T.C., PARKIN, T.B., JAYNES, D.B. CHANGES IN SOIL CARBON RESPONSE TO YEAR, PREVIOUS CROP, AND COVER CROP. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2003. CD-ROM. MADISON, WI.
CORN SOYBEAN YIELD ZONES FROM CLUSTER ANALYSIS OF MULTI-YEAR YIELD DATA -
JAYNES, D.B., KASPAR, T.C., COLVIN, T.S. CORN SOYBEAN YIELD ZONES FROM CLUSTER ANALYSIS OF MULTI-YEAR YIELD DATA. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2003. CD-ROM. MADISON, WI.
CARBON DIOXIDE DYNAMICS DURING A GROWING SEASON IN MIDWESTERN CROPPING SYSTEMS -
Prueger, J.H., Hatfield, J.L., Parkin, T.B., Kustas, W.P., Kaspar, T.C. 2003. Carbon Dioxide Dynamics During a Growing Season in Midwestern Cropping Systems. Environmental Management. 33(1):330-343.
TEMPERATURE CONTROLS ON DIURNAL CO2 FLUX: IMPLICATIONS FOR ESTIMATING SOIL C LOSS -
PARKIN, T.B., KASPAR, T.C. 2003. TEMPERATURE CONTROLS ON DIURNAL CO2 FLUX: IMPLICATIONS FOR ESTIMATING SOIL C LOSS. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. 67:1763-1772.
DENITRIFICATION-BASED REMOVAL OF NITRATE FROM SUBSURFACE DRAINAGE WATER -
IMPACT OF SAMPLING FREQUENCY ON SOIL CO2 FLUX ESTIMATION -
PARKIN, T.B., KASPAR, T.C. IMPACT OF SAMPLING FREQUENCY ON SOIL CO2 FLUX ESTIMATION. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2002. CD-ROM. MADISON, WI.
CORN RESPONSE TO NITROGEN ACROSS LANDSCAPE POSITIONS -
KASPAR, T.C., COLVIN, T.S., JAYNES, D.B., KARLEN, D.L. CORN RESPONSE TO NITROGEN ACROSS LANDSCAPE POSITIONS. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2002. CD-ROM. MADISON, WI.
SUBSURFACE DRAINAGE MODIFICATIONS TO REDUCE NITRATE LOSSES IN DRAINAGE -
JAYNES, D.B., KASPAR, T.C., MOORMAN, T.B., PARKIN, T.B. SUBSURFACE DRAINAGE MODIFICATIONS TO REDUCE NITRATE LOSSES IN DRAINAGE. ASAE ANNUAL INTERNATIONAL MEETING. 2002. PAPER NO. 02-2015.
PLANT HEIGHT ESTIMATION USING TWO SENSING SYSTEMS -
SHRESTHA, D.S., STEWARD, B.L., BIRRELL, S.J., KASPAR, T.C. PLANT HEIGHT ESTIMATION USING TWO SENSING SYSTEMS. ASAE ANNUAL INTERNATIONAL MEETING. 2002. CD-ROM. ST. JOSEPH, MI.
COMPARISON OF TECHNIQUES FOR DEFINING YIELD POTENTIAL ZONES IN AN IOWA FIELD -
JAYNES, D.B., KASPAR, T.C., COLVIN, T.S. COMPARISON OF TECHNIQUES FOR DEFINING YIELD POTENTIAL ZONES IN AN IOWA FIELD. INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE ABSTRACTS & PROCEEDINGS. 2002. CD-ROM. MADISON, WI: ASA-CSSA-SSA.
DETERMINATION OF EARLY STAGE CORN PLANT HEIGHT USING STEREO VISION -
SHRESTHA, D.S., STEWARD, B.L., KASPAR, T.C. DETERMINATION OF EARLY STAGE CORN PLANT HEIGHT USING STEREO VISION. INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE ABSTRACTS & PROCEEDINGS. 2002. CD-ROM. MADISON, WI.
OAT PLANT EFFECTS ON NET NITROGEN MINERALIZATION -
PARKIN, T.B., KASPAR, T.C., CAMBARDELLA, C.A. OAT PLANT EFFECTS ON NET NITROGEN MINERALIZATION. PLANT AND SOIL JOURNAL. 2002. V. 243. P. 187-195.
RELATIONSHIP BETWEEN SIX YEARS OF CORN YIELDS AND TERRAIN ATTRIBUTES -
KASPAR, T.C., COLVIN, T.S., JAYNES, D.B., KARLEN, D.L., JAMES, D.E., MEEK, D.W., PULIDO, D., BUTLER, H. RELATIONSHIP BETWEEN SIX YEARS OF CORN YIELDS AND TERRAIN ATTRIBUTES. PRECISION AGRICULTURE. 2003. V. 4. P. 87-101.
NITRATE LEACHING AS INFLUENCED BY COVER CROPS IN LARGE SOIL MONOLITHS -
LOGSDON, S.D., KASPAR, T.C., MEEK, D.W., PRUEGER, J.H. NITRATE LEACHING AS INFLUENCED BY COVER CROPS IN LARGE SOIL MONOLITHS. AGRONOMY JOURNAL. 2002. V. 94(4). P. 807-814.
CLUSTER ANALYSIS OF SPATIOTEMPORAL CORN YIELD PATTERNS IN AN IOWA FIELD -
JAYNES,D.B., KASPAR,T.C., COLVIN,T.S., JAMES,D.E., CLUSTER ANALYSIS OF SPATIOTEMPORAL CORN YIELD PATTERNS IN AN IOWA FIELD, AGRONOMY JOURNAL, 2003. v. 95. p. 574-586.
SMALL GRAIN COVER CROPS FOR IOWA -
KASPAR, T.C., PARKIN, T.B., KOHLER, K.A. SMALL GRAIN COVER CROPS FOR IOWA. INTEGRATED CROP MANAGEMENT CONFERENCE PROCEEDINGS. 2001. P. 85-89.
TEMPORAL VARIABILITY OF SOIL RESPIRATION -
PARKIN, T.B., KASPAR, T.C. TEMPORAL VARIABILITY OF SOIL RESPIRATION. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2001. CD-ROM. MADISON, WI.
SPATIAL AND TEMPORAL VARIABILITY OF SOIL CARBON -
KASPAR, T.C., PARKIN, T.B., CAMBARDELLA, C.A., KARLEN, D.L., TOMER, M.D. SPATIAL AND TEMPORAL VARIABILITY OF SOIL CARBON. ASA-CSSA-SSSA ANNUAL MEETING ABSTRACTS. 2001. CD-ROM. MADISON, WI.
NITROGEN MANAGEMENT STRATEGIES TO REDUCE NITRATE LEACHING IN TILE-DRAINED MIDWESTERN SOILS -
DINNES, D.L., KARLEN, D.L., JAYNES, D.B., KASPAR, T.C., HATFIELD, J.L., COLVIN, T.S., CAMBARDELLA, C.A. NITROGEN MANAGEMENT STRATEGIES TO REDUCE NITRATE LEACHING IN TILE-DRAINED MIDWESTERN SOILS. AGRONOMY JOURNAL. 2002. V. 94. P. 153-171.
CROP ROOT RESPONSE TO SOIL TEMPERATURE IN TEMPERATE REGIONS -
PLANT-SOIL-MICROBE N RELATIONSHIPS IN HIGH RESIDUE MANAGEMENT SYSTEMS -
DINNES, D.L., JAYNES, D.B., KASPAR, T.C., COLVIN, T.S., CAMBARDELLA, C.A., KARLEN, D.L. PLANT-SOIL-MICROBE N RELATIONSHIPS IN HIGH RESIDUE MANAGEMENT SYSTEMS. SOUTH DAKOTA NO TILL ASSOCIATION ANNUAL CONFERENCE. 2001. P. 45-50.
N MANAGEMENT AND HYPOXIA: A RESEARCH FOCUS OF THE USDA-ARS NATIONAL SOIL TILTH LABORATORY -
Dinnes, D.L., Jaynes, D.B., Hatfield, J.L., Burkart, M.R., Parkin, T.B., Cambardella, C.A., Karlen, D.L., Colvin, T.S., Kaspar, T.C., James, D.E. 2001. N management and hypoxia: A research focus of the USDA-ARS National Soil Tilth Laboratory. Farm Bureau Members National Convention. American Farm Bureau Federation, Washington, D.C.
NITRATE LEACHING AS INFLUENCED BY COVER CROPS IN LARGE SOIL MONOLITHS -
Logsdon, S.D., Kaspar, T.C., Prueger, J.H., Meek, D.W., Simmons, G.T., Hart, T.T. 2000. Nitrate leaching as influenced by cover crops in large soil monoliths. Soil Science Society of America Annual Meeting. CD-ROM. Madison, Wisconsin.
EFFECT OF COARSE TEXTURED MATERIALS, "A" HORIZON DEPTH, CARBONATE DEPTH, PH, AND SOIL TEXTURE ON CORN YIELD VARIABILITY -
USING THE WEIGHT-LOSS-ON-IGNITION METHOD TO MEASURE SPATIAL VARIABILITY OF SOIL CARBON -
SMALL GRAIN COVER CROPS AND WHEEL TRAFFIC EFFECTS ON INFILTRATION, RUNOFF, AND EROSION -
YIELD CERTAINTY WITH PLOTS OR FIELDS -
Colvin, T.S., Jaynes, D.B., Kaspar, T.C., James, D.E., Meek, D.W. 2000. Yield certainty with plots or fields [CD-ROM]. International Conference on Precision Agriculture Abstracts & Proceedings. St. Paul, Minnesota.
ESTIMATING CORN YIELD USING SIX YEARS OF YIELD DATA AND TERRAIN ATTRIBUTES -
DECOMPOSITION OF BURIED ROOT RESIDUES IN THE FIELD -
OAT AND RYE ROOT DECOMPOSITION EFFECTS ON NITROGEN MINERALIZATION -
APPLICATION PLACEMENT TECHNIQUES TO INCREASE NITROGEN USE EFFICIENCY AND REDUCE NITRATE LEACHING -
MODEL-BASED TECHNIQUE TO DETERMINE VARIABLE RATE NITROGEN FOR CORN -
Paz, J.O., Batchelor, W.D., Babcock, B.A., Colvin, T.S., Logsdon, S.D., Kaspar, T.C., Karlen, D.L. 1999. Model-based technique to determine variable rate nitrogen for corn. Agricultural Systems. 61:69-75.
NEW NITROGEN APPLICATION/PLACEMENT TECHNIQUES TO INCREASE USE-EFFICIENCY AND REDUCE NITRATE LEACHING -
OAT AND RYE ROOT DECOMPOSITION EFFECTS ON CARBON AND NITROGEN CYCLING IN A CONTROLLED ENVIRONMENT -
PLANT EFFECTS ON NITROGEN MINERALIZATION -
COVER CROP AND WHEEL TRACK EFFECTS ON INFILTRATION, RUNOFF, AND EROSION -
ANALYSIS OF WATER STRESS EFFECTS CAUSING SPATIAL YIELD VARIABILITY IN SOYBEANS -
MODEL-BASED TECHNIQUE TO DETERMINE VARIABLE RATE NITROGEN FOR CORN -
OAT AND RYE OVERSEEDED INTO SOYBEAN AS FALL COVER CROPS IN THE UPPER MIDWEST -
DEPTH INCREMENTAL SOIL PROPERTIES UNDER NO-TILL OR CHISEL MANAGEMENT -
LOCALIZED SOIL MANAGEMENT IN FERTILIZER INJECTION ZONE TO REDUCE NITRATE LEACHING -
EVALUATION OF LOCALIZED COMPACTION AND DOMING TO REDUCE ANION LEACHING LOSSES USING LYSIMETERS -
IMPROVING STAND ESTABLISHMENT IN NO TILL WITH RESIDUE-CLEARING PLANTER ATTACHMENTS -
INFLUENCE OF CORN ROOTS ON WATER AND CHEMICAL MOVEMENT THROUGH UNDISTURBED SOIL COLUMNS -
CORN YIELD RESPONSE TO FERTILIZER FROM AN APPLICATOR DESIGNED TO REDUCE NITRATE LEACHING -
IMPROVED FERTILIZER APPLICATOR TO REDUCE NITRATE FERTILIZER LEACHING FROM CROP LANDS -
CALIBRATION OF A CROP GROWTH MODEL TO PREDICT SPATIAL YIELD VARIABILITY -
OATS OVERSEEDED INTO SOYBEANS AS A FALL COVER CROP -
ECONOMIC EVALUATION OF CROP MANAGEMENT SYSTEMS FOR SUSTAINABLE AGRICULTURE -
ROOTEDGE: SOFTWARE FOR MEASURING ROOT LENGTH FROM DESKTOP SCANNER IMAGES -
OATS OVERSEEDED INTO SOYBEAN AS A FALL COVER CROP -
TESTING A NITROGEN FERTILIZER APPLICATOR DESIGNED TO REDUCE LEACHING LOSSES -
OATS OVERSEEDED INTO SOYBEAN AS A FALL COVER CROP -
CORN PLANTER ATTACHMENT EFFECTS ON SOIL AND RESIDUE -
USING SMALL GRAIN COVER CROPS TO MANAGE NITROGEN IN THE MIDWEST -
TILLAGE AND WHEEL TRAFFIC EFFECTS ON CORN GROWTH AND YIELD -
IMPROVED FERTILIZER BANDING TECHNIQUE TO REDUCE NITRATE-N LEACHING: LYSIMETER EVALUATION -
OATS OVERSEEDED INTO SOYBEANS AS A FALL COVER CROP -
CONVERSION TO NO-TILL INFLUENCE ON INCREMENTAL SOIL PROPERTIES -
MAIZE NODAL ROOT RESPONSE TO TIME OF SOIL RIDGING -
APPLICATIONS TO ROOT RESEARCH METHODOLOGIES BY MEMBERS OF THE CSREES REGIONAL COMMITTEE NCR-60 -
SMEARED SOIL SURFACE EVALUATION BY FIBER OPTIC SENSOR AND ROOT PENETRATION -
SOIL PROPERTY CONTRIBUTIONS TO YIELD VARIATION PATTERNS -
SOIL PROPERTY CONTRIBUTIONS TO YIELD VARIATION PATTERNS -
TILLAGE AND WHEEL TRAFFIC EFFECTS ON CORN YIELD AND ROOT GROWTH -
SEED-ROW RESIDUE MANAGEMENT FOR CORN PRODUCTION IN THE NORTHERN U.S. CORN BELT -
RUNOFF, EROSION, AND SOIL QUALITY CHARACTERISTICS OF A FORMER CRP SITE IN SOUTHWESTERN IOWA -
RESIDUE AND COMPACTION MANAGEMENT IN NO-TILL -
SOLUTE LEACHING AND CROP WATER BALANCE IN LARGE UNDISTURBED SOIL MONOLITHS -
SOIL PHYSICAL PROPERTIES IN NO-TILL WITH AND WITHOUT SWEEP CULTIVATION FOR WEED CONTROL -
LOCALIZED COMPACTION AND DOMING TO REDUCE NITRATE N LEACHING: EXPERIMENTALAND NUMERICAL -
INTERMEDIATE-SCALE SOLUTE LEACHING IN LARGE UNDISTURBED SOIL MONOLITHS -
INTERACTIONS OF CROP RESIDUE WITH SOIL AND CLIMATE -
ACCURATE PERIMETER AND LENGTH MEASUREMENT USING AN EDGE CHORD ALGORITHM -
TRAFFIC PATTERN AND TILLAGE SYSTEM EFFECTS ON CORN ROOT AND SHOOT GROWTH -
EFFECTS OF COULTER TREATMENTS ON SEED-FURROW SMEARING AND EARLY CROP RESPONSE -
EFFECTS OF COULTER TREATMENTS ON SEED FURROW SMEARING AND EARLY CROP RESPONSE -
LOCALIZED COMPACTION AND DOMING TO INCREASE N-USE EFFICIENCY AND REDUCE LEACHING -
ARS News Articles
Last Modified: 5/2/2016
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