Publications

Within-Field Corn Nitrogen Response Related to Aerial Photograph Color - (Peer Reviewed Journal)

(27-Mar-09)

Combining Proximal and Penetrating Soil Electrical Conductivity Sensors for High Resolution Digital Soil Mapping - (Book/Chapter)

(30-Jan-09)

Estimating depth to argillic soil horizons using apparent electrical conductivity response functions - (Proceedings/Symposium)

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 the Symposium on Application of Geophysics to Engineering and Environmental Problems, March 29-April 2, 2009, Ft. Worth, Texas.

Improved Canopy Sensor-based Corn Nitrogen Recommendations Using Auxiliary Information - (Abstract)

(02-Dec-08)

Preprocessing and calibration of optical diffuse reflectance signal for estimation of soil physical and chemical properties in the central USA - (Peer Reviewed Journal)

La, W.J., Sudduth, K.A., Chung, S., Kim, H.J. 2008. Preprocessing and calibration of optical diffuse reflectance estimation of soil physical and chemical properties in the central USA. Journal of Biosystems Engineering. 33(6):430-437.

Role of Phenolic Acids in Expression of Barley (Hordeum vulgare) Autotoxicity - (Peer Reviewed Journal)

(25-Oct-08)

On-the-go mapping of soil mechanical resistance using a linear depth effect model. - (Peer Reviewed Journal)

Adamchuk, V.I., Ingram, T.J., Sudduth, K.A., Chung, S. 2008. On-the-go mapping of soil mechanical resistance using a linear depth effect model. Transactions of the ASABE. 51(6):1885-1894.

Vnir Spectroscopy Estimates of Within-Field Variability in Soil Properties - (Book/Chapter)

(24-Sep-08)

Spectral Analysis of on-the-Go Soil Strength Sensor Data - (Peer Reviewed Journal)

Chung, S.O., Sudduth, K.A., Tan, J. 2008. Spectral analysis of on-the-go soil strength sensor data. Journal of Biosystems Engineering. 33(5):355-361.

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.

Sampling and Calibration Requirements for Optical Reflectance Soil Property Sensors for Korean Paddy Soils - (Peer Reviewed Journal)

Lee, K.S., Lee, D.H., Jung, I.K., Chung, S.O., Sudduth, K.A. 2008. Sampling and calibration requirements for optical reflectance soil property sensors for Korean paddy soils. Journal of Biosystems Engineering. 33(4):260-268.

Healing and Building Soil on Prairie Birthday Farm - (Popular Publication)

Hezel, L.F., Kremer, R.J. 2008. Healing and Building Soil on Prairie Birthday Farm. Missouri Prairie Journal. 29(3):14-20.

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/Symposium)

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/Symposium)

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.

Apex Model Assessment of Variable Landscapes on Runoff, Dissolved Herbicides and Nutrients - (Abstract)

Mudgal, A., Baffaut, C., Anderson, S.H., Sadler, E.J. 2008. Apex Model Assessment of Variable Landscapes on Runoff, Dissolved Herbicides and Nutrients [abstract]. In: Proceddings of the American Society of Agricultural and Biological Enginners Annual International Meeting, June 29 - July 02, 2008, Providence, Rhode Island. Paper No. 084498

Soil Enzyme Activities and Physical Properties in a Watershed Managed under Agroforestry and Row-Crop Systems - (Peer Reviewed Journal)

(02-Jun-08)

Components of an Optimal Algorithm For Canopy-Sensed Corn Nitrogen Rate - (Abstract)

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.

Variations in Soil Aggregate Stability and Enzyme Activities in a Temperate Agroforestry Practice - (Peer Reviewed Journal)

Udawatta, R.P., Kremer, R.J., Adamson, B.W., Anderson, S.H. 2008. Variations in soil aggregate stability and enzyme activities in a temperate agroforestry practice. Applied Soil Ecology. 39:153-160.

The Ars-Missouri Soil Strength Profile Sensor: Current Status and Future Prospects - (Proceedings/Symposium)

Sudduth, K.A., Chung, S.O., 2008. The ARS-Missouri soil strength profile sensor: current status and future prospects. 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. 083782.

Estimation of Korean Paddy Field Soil Properties Using Optical Reflectance - (Proceedings/Symposium)

Chung, S., Sudduth, K.A., Jung, I., Hong, Y., Jung, K. 2008. Estimation of korean paddy field soil properties using optical reflectance. In: ASABE Annual International Meeting Techinical Papers. American Society of Agricultural and Biological Engineers Annual International Meeting, June 29-July 2, 2008, Providence, Rhode Island. Paper No. 083682.

Spectral Reflectance Estimates of Surface Soil Physical and Chemical Properties - (Proceedings/Symposium)

La, W., Sudduth, K.A., Chung, S., Kim, H. 2008. Spectral Reflectance Estimates of Surface Soil Physical and Chemical Properties. 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. 084242.

Development of a Walking-Type Digital Cone Penetrometer - (Proceedings/Symposium)

Chung, S.O., Jung, I.K., Hong, Y.K., Jung, K.Y., Sudduth, K.A. 2008. Development of a walking-type digital cone penetrometer. In. Proceedings of the International Symposium on Machinery and Mechatronics for Agricultural and Biosystems Engineering (ISMAB), May 27-29, 2008, Taichung, Taiwan. 2008 CDROM.

Multi-Sensor Estimation of Claypan Soil Profile Properties - (Abstract)

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/Symposium)

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.

Development of a Motorized Digital Cone Penetrometer - (Proceedings/Symposium)

Chung, S.O., Jung, I.K., Hong, Y.K., Jung, K.Y., Sudduth, K.A. 2008. Development of a Motorized Digital Cone Penetrometer. 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/Symposium)

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/Symposium)

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.

Screening and Testing Phytochemicals in Eastern Redcedar (Juniperus Virginiana) for Development of Potential Entrepreneurial Opportunities - (Abstract)

(15-Apr-08)

Glyphosate and Glyphosate-Resistant Crop Interactions with Rhizosphere Microorganisms - (Popular Publication)

Kremer, R.J. 2008. Glyphosate and glyphosate-resistant crop interactions with rhizosphere microorganisms. 2008. In: T. Tamada and S. Stipp e Abdalla (eds.) Proceedings of the Symposium on Problems in Plant Nutrition and Diseases in Modern Agriculture. International Plant Nutrition Institute (IPNI) Agronomy Information Bulletin No. 119. International Plant Nutrition Institute, Piracicaba, Brazil (In Portuguese) p. 15-16.

Helping Growers to Demo Nitrogen Sensors - (Abstract)

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.

Fecal Indicators in Recreational Waters of Lake of the Ozarks, Missouri - (Abstract)

O'Hearn, R., Kremer, R.J., Jones, J.R., Knowlton, M. 2008. Fecal indicators in recreational waters of Lake of the Ozarks, Missouri(abstract). American Society for Microbiology Branch Meeting. March 14-15, 2008, Liberty, MO. p. 5.

Editorial: Current Status of Bioherbicides - (Popular Publication)

Kremer, R.J. 2008. Editorial: current status of bioherbicides. Tunisia Journal of Plant Protection. 2(2)ii-iii.

Vnir Spectroscopy for Estimation of Within-Field Variability in Soil Properties - (Proceedings/Symposium)

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 - (Trade Journal)

(15-Jan-08)

Sensor-Based Mapping of Soil Quality on Degraded Epiaqualf Landscapes - (Proceedings/Symposium)

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.

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.

Combining Proximal and Penetrating Conductivity Sensors for High Resolution Soil Mapping - (Proceedings/Symposium)

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.

Effects of a Biological Amendment on Chemical and Biological Properties and Microbial Diversity in Soils Receiving Different Organic Amendments - (Peer Reviewed Journal)

Park, K., Kremer, R.J. 2007. Effects of a biological amendment on chemical and biological properties and microbial diversity in soils receiving different organic amendments. Korean Journal of Soil Science and Fertilizer. 40:234-241.

Limitations of Evaluating the Effectiveness of Agricultural Management Practices at Reducing Nutrient Losses to Surface Waters - (Book/Chapter)

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.

Biological Control of Wheat Take-All Disease: I - Characterization of Antagonistic Bacteria from Diverse Soils Toward Gaeumannomyces Graminis Var. Tritici - (Peer Reviewed Journal)

Nasraoui, B., Hajlaoui, M.R., Aissa, A.D., Kremer, R.J. 2007. Biological control of wheat take-all disease: I - characterization of antagonistic bacteria from diverse soils toward Gaeumannomyces graminis var. tritici. Tunisia Journal of Plant Protection. 2:23-34.

Biological Control of Wheat Take-All Disease: II ¿ Rapid Selection of Bacteria Suppressive to Gaeumannomyces Graminis Var. Tritici in Laboratory with Greenhouse and Field Confirmation Trials - (Peer Reviewed Journal)

Nasraoui, B., Hajlaoui, M.R., Gargouri, S., Kremer, R.J. 2007. Biological control of wheat take-all disease: II ¿ rapid selection of bacteria suppressive to Gaeumannomyces graminis var. tritici in laboratory with greenhouse and field confirmation trials. Tunisia Journal of Plant Protection. 2:35-46.

Model Testing in Precision Agriculture ¿ Comparing Measures of Variation - (Abstract)

Sadler, E.J., Sudduth, K.A., Braga, R., Paz, J., Jones, J. 2007. Model testing in precision agriculture ¿ comparing measures of variation. ASA-CSSA-SSSA Annual Meeting [abstract]. ASA-CSSA-SSSA Annual Internation Meeting, November 4-8, 2007, New Orleans, Louisiana. p.285-19.

Separating Spatial and Temporal Sources of Variation for Model Testing in Precision Agriculture - (Peer Reviewed Journal)

Sadler, E.J., Sudduth, K.A., Jones, J.W. 2008. Separating spatial and temporal sources of variation for model testing in precision agriculture. Precision Agriculture. 8:297-310.

Sampling and Calibration Requirements for Soil Property Estimation Using Nir Spectroscopy - (Abstract)

Lee, K., Lee, D., Sudduth, K.A., Chung, S. 2007. Sampling and calibration requirements for soil property estimation using NIR spectroscopy [abstract]. Abstracts of 2nd International Conference on Advanced Nondestructive Evaluation. Paper No. 2007-472.

Assessing Changes in Soil Microbial Communities and Carbon Mineralization in Bt and Non-Bt Corn Residue-Amended Soils - (Peer Reviewed Journal)

Fang, M., Motavalli, P.P., Kremer, R.J., Nelson, K.A. 2007. Assessing changes in soil microbial communities and carbon mineralization in Bt and non-Bt corn residue-amended soils. Applied Soil Ecology. 37:150-160.

Precision-Farming Technologies Used to Identify Land Energy Production Capability - (Abstract)

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.

Optimizing Crop N Use Efficiency Using a Variable Source N Fertilizer Application Strategy - (Abstract)

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.

Estimating Plant-Available Water Using a Simple Inverse Yield Model for Claypan-Soil Landscapes - (Abstract)

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)

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)

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.

Field-Scale N Application Using Crop Reflectance Sensors - (Abstract)

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.

Reflectance Sensors: How Stable Are the Values They Measure? - (Abstract)

Scharf, P., Sudduth, K.A., Hong, N., Oliveira, L. 2007. Reflectance Sensors: How Stable Are the Values They Measure? [abstract]. ASA-CSSA-SSSA Annual International Meeting, November 4-8, 2007, New Orleans, Louisiana. p. 193-6.

Effects of Organic Amendments on Microbial Properties in Lead-Contaminated Soils - (Abstract)

Hoilett, N., Yang, J., Kremer, R.J., Eivazi, F. 2007. Effects of organic amendments on microbial properties in lead-contaminated soils. Soil and Water Conservation Society Annual Meeting, July 21-25, 2007, Tampa, Florida.

Alternatives to Using a Reference Strip for Reflectance-Based Nitrogen Application in Corn - (Abstract)

(23-Jul-07)

Wavelength Selection for Reflectance Estimation of Surface and Subsurface Soil Properties - (Proceedings/Symposium)

Lee, D., Lee, K., Sudduth, K.A., Chung, S. 2007. Wavelength Selection for Reflectance Estimation of Surface and Subsurface Soil Properties. In: Proceedings 2nd Asian Conference on Precision Agriculture. August 2-4, 2007, Pyeongtaek, Korea. 2007 CDROM.

Current Status and Future Directions of Precision Agriculture in the Usa - (Proceedings/Symposium)

Sudduth, K.A. 2007. Current status and future directions of precision agriculture in the usa. In: Proceedings 2nd Asian Conference on Precision Agriculture. August 2-4, 2007, Pyeongtaek, Korea. 2007 CDROM.

Soil Property Estimation and Variable Tillage Recommendation Using Geo-Referenced Cone Index - (Proceedings/Symposium)

Chung, S.O., Sudduth, K.A. 2007. Soil property estimation and variable tillage recommendation using geo-referenced cone index. In: Proceedings 2nd Asian Conference on Precision Agriculture. August 2-4, 2007 CDROM. Pyeongtaek, Korea.

Ion-Selective Electrodes for Simultaneous Analysis of Soil Macronutrients - (Proceedings/Symposium)

Kim, H.J., Hummel, J.W., Sudduth, K.A., Motavalli, P.P. 2007. Ion-selective electrodes for simultaneous analysis of soil macronutrients. In: Proceedings 2nd Asian Conference on Precision Agriculture. August 2-4, 2007, Pyeongtaek, Korea. 2007 CDROM.

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

Simultaneous Analysis of Soil Macronutrients Using Ion-Selective Electrodes - (Peer Reviewed Journal)

Kim, H.J., Hummel, J., Sudduth, K.A., Motavalli, P.P. 2007. Simultaneous analysis of soil macronutrients using ion-selective electrodes. Soil Science Society of America Journal. 71:1867-1877.

Influence of Soil Moisture on Root Colonization of Glyphosate-Treated Soybean by Fusarium Species - (Peer Reviewed Journal)

Means, N.E., Kremer, R.J. 2007. Influence of soil moisture on root colonization of glyphosate-treated soybean by fusarium species. Communications in Soil Science and Plant Analysis. 38:1713-1720.

Influence of Soil Moisture on Root Colonization of Glyphosate-Treated Soybean by Fusarium Species - (Peer Reviewed Journal)

Means, N.E., Kremer, R.J. 2007. Influence of soil moisture on root colonization of glyphosate-treated soybean by fusarium species. Communications in Soil Science and Plant Analysis. 38:1713-1720.

Scaling up the SWAT model from Goodwater Creek Experimental Watershed to the Long Branch Watershed - (Proceedings/Symposium)

Ghidey, F., Sadler, E.J., Lerch, R.N., Baffaut, C. Scaling up the SWAT model from Goodwater Creek Experimental Watershed to the Long Branch Watershed. ASABE Paper No. 072043, ASABE, St. Joseph, MI, 2007.

Wavelength Identification for Reflectance Estimation of Surface and Subsurface Soil Properties - (Proceedings/Symposium)

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.

Precision Management Systems for Conservation and Profitability - (Proceedings/Symposium)

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.

Application of Ion-Selective Electrodes for Simultanious Analysis of Soil Macronutrients - (Proceedings/Symposium)

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.

Soil Aggregate Stability and Enzyme Activity in Agroforestry and row-Crop Systems - (Proceedings/Symposium)

Udawatta, R.P., Kremer, R.J., Garrett, H.E., Anderson, S.H. 2007. Soil aggregate stability and enzyme activity in agroforestry and row-cropping systems. pp. 165-175 In A. Olivier and S. Campeau (ed.) When trees and crops get together: Economic Opportunites and Environmental Benefits of Agroforestry. Proceedings of the 10th North American Agroforestry Conference, June 10-13, 2007, University Laval, Quebec City, Quebec, Canada.

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.

Evaluation of Phosphate Ion-Selective Membranes and Cobalt-Based Electrodes for Soil Nutrient Sensing - (Peer Reviewed Journal)

Kim, H., Hummel, J.W., Sudduth, K.A., Birrell, S.J. 2007. Evaluation of phosphate ion-selective membranes and cobalt-based electrodes for soil nutrient sensing. Transactions of the ASABE. 50(2):415-425.

Analysis of Herbicide Transport from Goodwater Creek Experimental Watershed - (Abstract)

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.

Occurrence of Weed-Suppressive Microorganisms in Soils of Crop Production Fields - (Abstract)

Kremer, R.J., Kim, S., Park, K. 2007. Occurrence of weed-suppressive microorganisms in soils of crop production fields [abstract]. Weed Science Society of America Meeting. February 4-9, 2007, San Antonio, Texas. 2007 CDROM.

Incorporating Nutrient Sensing Technology in Production Agriculture - (Proceedings/Symposium)

Kitchen, N.R. 2007. Incorporating nutrient sensing technology in production agriculture. 2007 Fluid Fertilizer Forum, February 18-20, 2007, Scottsdale, AZ, p.35-40

Semiparametric Geographically Weighted Response Curves with Application to Site Specific Agriculture - (Peer Reviewed Journal)

Holan, S., Wang, S., Arab, A., Sadler, E.J., Stone, K.C. 2008. Semiparametric geographically weighted response curves with application to site specific agriculture. Journal of Agricultural, Biological and Engineering Statistics. 13(4):424-439.

Newly Developed Technologies for Soil and Water Conservation - (Other)

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.

Sensing Nitrate and Potassium Ions in Soil Extracts Using Ion-selective Electrodes - (Peer Reviewed Journal)

Kim, H., Sudduth, K.A., Hummel, J.W. 2006. Sensing nitrate and potassium ions in soil extracts using ion-selective electrodes. Journal of Biosystems Engineering. 31(6):463-473.

Estimates of Plant-Available Water Capacity for Claypan Landscapes Using Soil Electrical Conductivity - (Abstract)

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)

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)

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.

A Quantitative Pedology Approach to Continuous Soil Landscape Models - (Abstract)

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.

An Environmental Assessment of Sensor-Based Variable-Rate Nitrogen Management in Corn - (Proceedings/Symposium)

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.

Turning Precision Agriculture Information into Precision Conservation Decisions - (Abstract)

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/Symposium)

(15-Sep-06)

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.

Relating Herbicide Loadings to Satellite-Derived Land Use on Watersheds with Runoff-Prone Soils - (Abstract)

Jang, G., Sudduth, K.A., Lerch, R.N., Sadler, E.J., Wang, C. 2006. Relating Herbicide Loadings to Satellite-Derived Land Use on Watersheds with Runoff-Prone Soils [abstract]. Managing Agricultural Landscapes for Environmental Quality, SWCS Meeting, October 11-13, 2006, Kansas City, Missouri. p. 65.

Modeling for Precision Agriculture-How Good Is Good Enough, and How Can We Tell? - (Proceedings/Symposium)

Sadler, E.J., Jones, J.W., Sudduth, K.A. Modeling for precision agriculture-How good is good enough, and how can we tell? In: Stafford, J.V., ed. Precision Agriculture '07 - Proceedings 6th European Conference on Precision Agriculture, June 4-6, 2007. Skiathos, Greece. 2007. p. 241-248.

Understanding Productivity Variation on Un-Irrigated Claypan Soils - (Abstract)

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.

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.

Using a Field Radiometer to Estimate Instantaneous Sky Clearness - (Peer Reviewed Journal)

Souza, E.G., Scharf, P.C., Sudduth, K.A., Hipple, J.D. 2006. Using a field radiometer to estimate instantaneous sky clearness. Brazilian Journal of Agricultural and Environmental Engineering. 10(2):369-373

Soil Organic Carbon and Nitrogen Fractions in Temperate Alley Cropping Systems - (Peer Reviewed Journal)

Mungai, N.W., Motavalli, P.P., Kremer, R.J. 2006. Soil organic carbon and nitrogen fractions in temperate alley cropping systems. Communications in Soil Science and Plant Analysis. 37:977-992.