Principal InvestigatorAuthor(s) / Publication
Arai Xu, S., Gentry, L., Chen, K. and Arai, Y. 2020. Intensive agricultural management induced subsurface accumulation of labile phosphorus in tile line dominated Midwestern agricultural soils. Soil Science Society of America Journal Intensive agricultural management-induced subsurface accumulation of labile phosphorus in Midwestern agricultural soils dominated by tile lines
ArmstrongArmstrong, S.D., R. Roth, and C. Lacey. 2017. Do Conventional Comparative Cost Efficiency Analyses Adequately Value Nitrogen Loss reduction best management practices? Agriculture Research & Technology, Do Conventional Comparative Cost Efficiency Analyses Adequately Value Nitrogen Loss Reduction Best Management Practices?
ArmstrongRoth. R., M.D. Ruffatti, P.D. O'Rourke, and S.D. Armstrong. 2018. A cost analysis approach to valuating cover crop environmental and nitrogen cycling benefits: A central Illinois on-farm case study. Agricultural Systems, Agricultural Systems 159:67-77 A cost analysis approach to valuating cover crop environmental and nitrogen cycling benefits: A central Illinois on-farm case study.
ArmstrongRuffatti, M.D., R. Roth, C. Lacey, and S.D. Armstrong. 2019. Impacts of nitrogen application timing and cover crop inclusion on subsurface drainage water quality. Agricultural Water Management 211:81-88. Impacts of nitrogen application timing and cover corp inclusion on subsurface drainage water quality
ArmstrongThompson, NM, Armstrong, SD, Roth, RT, Ruffatti, MD, Reeling, CJ. Short‐run net returns to a cereal rye cover crop mix in a midwest corn–soybean rotation. Agronomy Journal. 2020; 112: 1068– 1083. hort‐run net returns to a cereal rye cover crop mix in a midwest corn–soybean rotation
ChristiansonChandrasoma, J.M., R.D. Christianson, and L.E. Christianson. 2019 (First Look). Saturated buffers: What is their potential impact across the US Midwest? Agricultural & Environmental Letters. Saturated buffers: What is their potential impact across the US Midwest?
ChristiansonHertzberger, A., C.M Pittlekow, R.D. Harmel, and L. Christianson. The MANAGE Drain Concentration database: A new tool compiling North American drainage nutrient concentrations. Agricultural Water Management 216 (2019) 113–117. The MANAGE Drain Concentration database: A new tool compiling North American drainage nutrient concentrations
ChristiansonHertzberger, A., R.D. Harmel, C.M. Pittelkow, and L. Christianson. Analysis of the MANAGE Drain Concentration database to evaluate agricultural management effects on drainage nutrient concentrations. Journal of Soil and Water Conservation. Analysis of the MANAGE Drain Concentration database to evaluate agricultural management effects on drainage nutrient concentrations
Christianson and PittelkowPreza Fontes, Giovani, Rabin Bhattarai, Laura Christianson, and Cameron Pittlekow. 2019. Combining Environmental Monitoring and Remote Sensing Technologies to Evaluate Cropping System Nitrogen Dynamics at the Field-Scale. Front. Sustain. Food Syst., 20 February 2019 Combining Environmental Monitoring and Remote Sensing Technologies to Evaluate Cropping System Nitrogen Dynamics at the Field-Scale
Christianson and PittelkowPreza‐Fontes, G, Nafziger, ED, Christianson, LE, Pittelkow, CM. Relationship of in‐season soil nitrogen concentration with corn yield and potential nitrogen losses. Soil Sci Soc Am J. 2020; 1– 11. Relationship of in-season nitrogen concentration with corn yield and potential nitrogen losses

Christianson and PittelkowYuan, M, Fernández, FG, Pittelkow, CM, Greer, KD, Schaefer, D. Soil and crop response to phosphorus and potassium management under conservation tillage. Agronomy Journal. 2020; 112: 2302– 2 Soil and crop response to phosphorus and potassium management under conservation tillage
Christianson and PittelkowBanger, K., Nafziger, E.D., Wang, J. and Pittelkow, C.M. (2019), Modeling Inorganic Soil Nitrogen Status in Maize Agroecosystems. Soil Sci. Soc. Am. J., 83: 1564-1574. Modeling Inorganic Soil Nitrogen Status in Maize Agroecosystems
Gentry Andino, LF, Gentry, LE, Fraterrigo, JM. Closed depressions and soil phosphorus influence subsurface phosphorus losses in a tile‐drained field in Illinois. J. Environ. Qual. 2020; 1– 13. Closed depressions and soil phosphorus influence subsurface phosphorus losses in a tile-drained field in Illinois
MargenotHertzberger, AJ, Cusick, RD, Margenot, AJ. A review and meta‐analysis of the agricultural potential of struvite as a phosphorus fertilizer. Soil Sci. Soc. Am. J. 2020; 84: 653– 671. A review and meta-analysis of the agricultural potential of struvite as a phosphorus fertilizer
WilliardSingh, G, Dhakal, M, Yang, L, K Williard, J Schoonover, and A. Sadeghpour. Decomposition and nitrogen release of cover crops in reduced and no‐tillage systems. Agronomy Journal. 2020; 1– 14. Decomposition and nitrogen release of cover crops in reduced and no-tillage systems
WilliardSingh, G, Thilakarathne, AD, Williard, KW, et al. Tillage and legume non‐legume cover cropping effects on corn–soybean production. Agronomy Journal. 2020; 112: 2636– 2648. Tillage and legume non‐legume cover cropping effects on corn–soybean production
WilliardSingh, G., Williard, K.W. and Schoonover, J.E. (2018), Cover Crops and Tillage Influence on Nitrogen Dynamics in Plant‐Soil‐Water Pools. Soil Science Society of America Journal, 82: 1572-1582. Cover Crops and Tillage Influence on Nitrogen Dynamics in Plant-Soil-Water Pools
SandeghpourWeidhuner, A., Afshar, R.K., Luo, Y., Battaglia, M. and Sadeghpour, A. (2019), Particle Size Affects Nitrogen and Carbon Estimate of a Wheat Cover Crop. Agron. J., 111: 3398-3402. Particle Size Affects Nitrogen and Carbon Estimate of a Wheat Cover Crop
SchoonoverSingh, G., Schoonover, J.E., Williard, K.W., Kaur, G. and Crim, J. (2018), Carbon and Nitrogen Pools in Deep Soil Horizons at Different Landscape Positions. Soil Science Society of America Journal, 82: 1512-1525. Carbon and Nitrogen Pools in Deep Soil Horizons at Different Landscape Positions
VillamilBehnke, GD, Kim, N, Villamil, MB. Agronomic assessment of cover cropping and tillage practices across environments. Agronomy Journal. 2020; 1– 16. Agronomic Assessment of cover cropping and tillage practices across environments
VillamilGraham, R.F., Greer, K.D., Villamil, M.B., Nafziger, E.D. and Pittelkow, C.M. (2018), Enhanced‐Efficiency Fertilizer Impacts on Yield‐Scaled Nitrous Oxide Emissions in Maize. Soil Science Society of America Journal, 82: 1469-1481. Enhanced-Efficiency Fertilizer Impacts on Yield-Scaled Nitrous Oxide Emissions in Maize
WilliardSingh, G., G. Kaur, K.W.J. Williard, K. Nelson, and J.E. Schoonover. 2019. Cover crops and topography differentially impacts weeds at a watershed scale. Weed Technology, Cover Crops and topography differentially impacts weeds at a watershed scale
WilliardSingh, G., J.E. Schoonover, K.W.J. Williard, G. Kaur, and J. Crim. 2018. Carbon and Nitrogen Pools in Deep Soil Horizons at Different Landscape Positions. Soil Science Society of America Journal 82:1512-1525. Carbon and Nitrogen Pools in Deep Soil Horizons and Different Landscape Positions
WilliardSingh, G., J.E. Schoonover, and K.W.J. Williard. 2018. Cover Crops for Managing Stream Water Quantity and Improving Stream Water Quality of Non-Tile Drained Paired Watersheds. Water 10. Cover Crops for Managing Stream Water Quantity and Improving Stream Water Quality on Non-Tile Drained Paired Watersheds
WilliardSingh, G., Kaur, G., Williard, K., Schoonover, J., and Kang, J. 2016. Monitoring of Water and Solute Transport in the Vadose Zone. Vadose Zone Journal. Monitoring of Water and Solute Transport in the Vadose Zone
WilliardSingh, G., Williard, K.W.J., and Schoonover, J.E. 2016. Spatial Relation of Apparent Soil Electrical Conductivity with Crop Yields and Soil Properties at Different Topographic Positions in a Small Agricultural Watershed. Agronomy, 6(4), 57. Spatial Relation of Apparent Soil Electrical Conductivity with Crop Yields and Soil Properties at Different Topographic Positions in a Small Agricultural Watershed
WilliardSingh, G,, Kaur, Gurpreet, Williard, K.W.J., Schoonover, J.E. 2021 Cover crops and tillage effects on carbon-nitrogen pools: A lysimeter study. Cover crops and tillage effects on carbon-nitrogen pools: A lysimeter study
FernandezFernandez, Fabian G., Mingwei Yuan, Cameron M. Pittelkow, Kristin D. Greer, and Daniel Schaefer. Soil and crop response to phosphorus and potassium management under conservation tillage. Agronomy Journal. 2020;112:2302-2316. Soil and crop response to phosphorus and potassium management under conservation tillage
FernandezFernandez, Fabian G., Mingwei Yuan, Cameron M. Pittelkow, Kristin D. Greer, and Daniel Schaefer. Managing Phosphorus and Potassium Is Key in Conservation Tillage Systems. Crops & Soils magazine. March-April 2021. Managing Phosphorus and Potassium Is Key in Conservation Tillage Systems
GuanZiqi Qin, Kaiyu Guan, Wang Zhou, Bin Peng, Maria B Villamil, Zhenong Jin, Jinyun Tang, Robert Grant, Lowell Gentry, Andrew J. Margenot, German Bollero, Ziyi Li. Assessing the impacts of cover crops on maize and soybean yield in the U.S. Midwestern agroecosystems. Assessing the impacts of cover crops on maize and soybean yield in the U.S. Midwestern agroecosystems