Publications

Katherine Baker, Sowmya Koduru, Sirwan Babaei, Oladapo Adeyemi, Garrett Williams, S.D. Armstrong, Andrew J Margenot, Amir Sadeghpour. 2024. Precision planting effect on winter rye yield and quality for biofuel and forage production. Biomass and Bioenergy 184, 107219.

FE Johnson II, RT Roth, MD Ruffatti, S.D. Armstrong. 2024. Cover crop impacts on nitrogen losses and environmental damage cost. Agriculture, Ecosystems & Environment 363, 108859.

Alexandra M Huddell, Resham Thapa, Guillermo S Marcillo, Lori J Abendroth, Victoria J Ackroyd, S.D. Armstrong, Gautam Asmita, Muthukumar V Bagavathiannan, Kipling S Balkcom, Andrea Basche, Shawn Beam, Kevin Bradley, Lucas Pecci Canisares, Heather Darby, Adam S Davis, Pratap Devkota, Warren A Dick, Jeffery A Evans, Wesley J Everman, Tauana Ferreira de Almeida, Michael L Flessner, Lisa M Fultz, Stefan Gailans, Masoud Hashemi, Joseph Haymaker, Matthew J Helmers, Nicholas Jordan, Thomas C Kaspar, Quirine M Ketterings, Eileen Kladivko, Alexandra Kravchenko, Eugene P Law, Lauren Lazaro, Ramon G Leon, Jeffrey Liebert, John Lindquist, Kristen Loria, Jodie M McVane, Jarrod O Miller, Michael J Mulvaney, Nsalambi V Nkongolo, Jason K Norsworthy, Binaya Parajuli, Christopher Pelzer, Cara Peterson, Hanna Poffenbarger, Pratima Poudel, Mark S Reiter, Matt Ruark, Matthew R Ryan, Spencer Samuelson, John E Sawyer, Sarah Seehaver, Lovreet S Shergill, Yogendra Raj Upadhyaya, Mark VanGessel, Ashley L Waggoner, John M Wallace, Samantha Wells, Charles White, Bethany Wolters, Alex Woodley, Rongzhong Ye, Eric Youngerman, Brian A Needelman, Steven B Mirsky. 2024. US cereal rye winter cover crop growth database. Scientific Data 11 (1), 200.

M Ma, C Reeling, MN Hughes, S.D. Armstrong, R Roth. 2023. Comparison of conservation instruments under long-run yield uncertainty and farmer risk aversion. European Review of Agricultural Economics 50 (5), 1685-1714.

Rishabh Gupta, Rabin Bhattarai, Hamze Dokoohaki, S.D. Armstrong, Jonathan W Coppess, Prasanta K Kalita. 2023. Sustainability of cover cropping practice with changing climate in Illinois. Journal of Environmental Management 339, 117946. 

Rishabh Gupta, Rabin Bhattarai, Prasanta K Kalita, Hamze Dokoohaki, Jonathan W Coppess, S.D. Armstrong. 2023. Evaluation of long-term impact of cereal rye as a winter cover crop in Illinois. Science of The Total Environment 877, 162956.

C Lacey, J Camberato, S.D. Armstrong. 2023. Field based 15 N study: an investigation of cereal rye N fate and utilization by the subsequent corn and soybean. Nutrient Cycling in Agroecosystems 125 (2), 205-217.

RT Roth, CG Lacey, JJ Camberato, S.D. Armstrong. 2023. Quantifying the fate of nitrogen from cereal rye root and shoot biomass using 15N. Nutrient Cycling in Agroecosystems 125 (2), 219-234.

RT Roth, K Chen, JR Scott, J Jung, Y Yang, JJ Camberato, S.D. Armstrong. 2023. Prediction of Cereal Rye Cover Crop Biomass and Nutrient Accumulation Using Multi-Temporal Unmanned Aerial Vehicle Based Visible-Spectrum Vegetation Indices. Remote Sensing 15 (3), 580.

AO Dada, S.D. Armstrong, DR Smith. 2023. Phosphorus sorption and desorption as affected by long-term cover cropping at two soil surface depths. Journal of Environmental Quality 52 (1), 126-136

R Gupta, R Bhattarai, JW Coppess, H Jeong, M Ruffatti, S.D. Armstrong. 2022. Modeling the impact of winter cover crop on tile drainage and nitrate loss using DSSAT model. Agricultural Water Management 272, 107862.

M Ma, C Reeling, M Hughes, S.D. Armstrong, R Roth. 2022. Comparison of Conservation Incentives under Long-Run Yield Uncertainty and Farmer Risk Aversion. Available at SSRN 4233615.

Nathanael M Thompson, Megan N Hughes, Eugene KM Nuworsu, Carson J Reeling, S.D. Armstrong, James R Mintert, Michael R Langemeier, Nathan D DeLay, Kenneth A Foster. 2022. Opportunities and challenges associated with “carbon farming” for US row-crop producers. Choices 37 (3), 1-10

CL Hodgskiss, BG Young, SD Armstrong, WG Johnson. 2022. Utilizing cover crops for weed suppression within buffer areas of 2, 4-D-resistant soybean. Weed Technology 36 (1), 118-129.

G Preza‐Fontes, H Miller, J Camberato, R Roth, S.D. Armstrong. 2022. Corn yield response to starter nitrogen rates following a cereal rye cover crop. Crop, Forage & Turfgrass Management 8 (2), e20187.

A Sadeghpour, O Adeyemi, D Hunter, Y Luo, S.D. Armstrong. 2021. Precision planting impacts on winter cereal rye growth, nutrient uptake, spring soil temperature and adoption cost. Renewable Agriculture and Food Systems 36 (4), 328-333.

CL Hodgskiss, BG Young, S.D. Armstrong, WG Johnson. 2021. Evaluating cereal rye and crimson clover for weed suppression within buffer areas in dicamba-resistant soybean. Weed Technology 35 (3), 404-411.

CJ Nevins, C Lacey, S.D. Armstrong. 2021. Cover crop enzyme activities and resultant soil ammonium concentrations under different tillage systems. European Journal of Agronomy 126, 126277.

NM Thompson, CJ Reeling, MR Fleckenstein, LS Prokopy, S.D. Armstrong. 2021. Examining intensity of conservation practice adoption: Evidence from cover crop use on US Midwest farms. Food Policy 101, 102054

J Bos, M Williams, D Smith, S.D. Armstrong, D Harmel. 2021. Long‐term effect of poultry litter application on phosphorus balances and runoff losses. Journal of Environmental Quality 50 (3), 639-652.

Stephanie A DeSimini, Kevin D Gibson, S.D. Armstrong, Marcelo Zimmer, Lucas OR Maia, William G Johnson. 2020. Effect of cereal rye and canola on winter and summer annual weed emergence in corn. Weed Technology 34 (6), 787-793.

C Lacey, C Nevins, J Camberato, E Kladivko, A Sadeghpour, S.D. Armstrong. 2020. Carbon and nitrogen release from cover crop residues and implications for cropping systems management. Journal of Soil and Water Conservation 75 (4), 505-514.

NM Thompson, S.D. Armstrong, RT Roth, MD Ruffatti, CJ Reeling. 2020. Short‐run net returns to a cereal rye cover crop mix in a midwest corn–soybean rotation. Agronomy Journal 112 (2), 1068-1083.

CJ Nevins, C Lacey, S.D. Armstrong. 2020. The synchrony of cover crop decomposition, enzyme activity, and nitrogen availability in a corn agroecosystem in the Midwest United States. Soil and Tillage Research 197, 104518.

Ruffatti, 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.

C O'Reilly, WL Perry, WM Seyoum, S.D. Armstrong, N Thompson. 2019. Intensive long-term monitoring combined with modeling indicates the potential of cover crops to reduce nutrient export at watershed scales. AGU Fall Meeting Abstracts GC31J-1351

Nevins, C.J., C. Nakatsu, and S.D. Armstrong. 2018. Characterization of microbial community response to cover crop residue decomposition. Soil Biology and Biochemistry 127:39-49.

Xu, M., C. Lacey, and S.D. Armstrong. 2018. The feasibility of satellite remote sensing and spatial interpolation to estimate cover crop biomass and nitrogen uptake at the watershed scale. Journal of Soil and Water Conservation 73:6 682-692.

Mueller, S.M., H.R. Pasley, L.O. Pico, S.D. Armstrong, R.P. Sripada and T.J.Vyn. 2018. Re-evaluation of soil N sampling strategy effects on statistical power. Communications in Soil Science and Plant Analysis 49:16, 2053-2063.

Roth. 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.

Roth. R., M.D. Ruffatti, P.D. O'Rourke, and S.D. Armstrong. 2017. 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.

Armstrong, 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, DOI:10.19080/ARTOAJ.2017.12.555861

Grebliunas, B.G, W.L., Perry, and S.D. Armstrong. 2016. Changes in water extractable organic carbon with cover crop planting under continuous corn production. Air, Soil and Water Res. 95:45-54.

Watts, D.B., T.R. Way, H.A. Torbert, and S.D. Armstrong. 2015. Subsurface band application of poultry litter and its influence on phosphorus concentration and retention after runoff from permanent pastures. J. Environ. Qual. 44:1930–1937.

Lacey, G.C., and S.D. Armstrong. 2014. The efficacy of winter cover crops to stabilize soil inorganic nitrogen after fall-applied anhydrous ammonia. J. Environ. Qual. 44:442-448.

Lacey, G.C., and S.D. Armstrong. 2014. In field measurements of nitrogen mineralization following fall applications of N and the termination of winter cover crops. Air Soil and Water Res. 7:53-59.

Armstrong, S.D., D.R. Smith, P.R. Owens, B.C. Joern, and C.H. Huang. 2012. The development of alum rates to enhance the remediation of phosphorus in fluvial systems following manure spills. J. of Environ. Monitoring 14:292-298.

Armstrong, S.D., D.R. Smith, P.R. Owens, A.B. Leytem, B.C. Joern, C.H. Huang, and L. Adeola. 2011. Phosphorus and nitrogen loading depth in fluvial sediments following manure spill simulations. Can. J. Soil Sci. 91:427-436.

D.R. Smith, G. Hernandez-Ramirez, S.D. Armstrong, D.L. Bucholtz, and D.E. Stott.  2011. Fertilizer and tillage management impacts on non-carbon-dioxide greenhouse gas emissions. Soil Sci. Soc. Am. J. 75:1070-7082.

Adeola. 2009.  Transport and fate of phosphorus during and after manure spill simulations. J. Environ. Qual. 39:345-352.

Haile, T., S.D. Armstrong, T.R. Way, D.E. Rowe, and K.R. Sistani. 2009. Cotton response to poultry litter applied by subsurface banding relative to surface broadcasting. Soil Sci. Soc. Am. J. 73:384-389.