04/20/2021

Michigan

• Schramski, J., Sprague, C., & Renner, K. (2020). Integrating fall-planted cereal cover crops and preplant herbicides for glyphosate-resistant horseweed (Conyza canadensis) management in soybean. Weed Technology, 1-8. doi:10.1017/wet.2020.117Acharya, J., T.B. Moorman, T.C. Kaspar, A.W. Lenssen, and A.E. Robertson. 2020.  Effect of cover crop species and rotation on corn and soybean seedling disease and yield in no-till system. Plant Disease 104:677-687. https://doi.org/10.1094/PDIS-09-19-1904-REBanik, C., C.A. Bartel, D.A. Laird, K.J. Moore, and A.W. Lenssen. 2020. Perennial cover crop influences on soil C and N and maize productivity.  Nutrient Cycling in Agroecosystems 116:135-150.
• Schramski, J., Sprague, C., & Renner, K. (2020). Effects of fall-planted cereal cover-crop termination time on glyphosate-resistant horseweed (Conyza canadensis) suppression. Weed Technology, 1-11. doi:10.1017/wet.2020.103
• Moore, V.M., Maul, J.E., Wilson, D., Curran, W.S., Brainard, D.C., Devine, T.E. and Mirsky, S.B., 2020. Registration of ‘Purple Bounty’ and ‘Purple Prosperity’ hairy vetch. Journal of Plant Registrations, 14: 340-346.
• Tarrant, AR; Brainard, DC Hayden, ZD. 2020. Cover Crop Performance between Plastic-mulched Beds: Impacts on Weeds and Soil Resources. HORTSCIENCE 55:1069-1077.  DOI: 10.21273/HORTSCI14956-20
• Nguyen T.T.L. and A.N. Kravchenko 2021. Effects of cover crops on soil CO2 and N2O production across topographically diverse agricultural landscapes in corn-soybean-wheat organic transition. European J. of Agronomy 122, article 126189.
• Mennan, H; Jabran, K; Zandstra, BH; Pala, F. 2020. Non-Chemical Weed Management in Vegetables by Using Cover Crops: A Review. Agronomy 2020, 10(2), 257; https://doi.org/10.3390/agronomy10020257
• Brooker, AP, Renner, KA; Basso, B. 2020. Interseeding cover crops in corn: Establishment, biomass, and competitiveness in on-farm trials. AGRONOMY JOURNAL 112: 3733-3743. DOI: 10.1002/agj2.20355

 Indiana

• Nichols, V., R. Martinez-Feria, D. Weisberger, S. Carlson, B. Basso, and A. Basche. 2020. Cover crops and weed suppression in the US Midwest: A meta-analysis and modeling study. AriXiv. doi: 10.31220/osf.io/43b9n.
• Nichols, V., L. English, S. Carlson, S. Gailans, and M. Liebman. 2020. Effects of Long-Term Cover Cropping on Weed Seedbanks. Front. Agron. 2:591091. doi: 10.3389/fagro.2020.591091.
• Muhammed, Y.A., S. Patel, H.L. Matthees, A.W. Lenssen, B.L. Johnson, M.S. Wells, F. Forcella, M.T. Berti, and R.W. Gesch. 2020. Biomass and soil N dynamics in response to interseeded oilseed cover crops in a maize-soybean system. Agronomy 10, 1439; doi:10.3390/agronomy10091439 
• Muhammed, Y.A., H.L. Matthees, R.W. Gesch, S. Patel, F. Forcella, K. Aasand, N. Steffl, B.L. Johnson, M.S. Wells, and A.W. Lenssen. 2020. Establishing winter annual cover crops in the upper Midwest, USA: Interseeding into maize and soybean. Agronomy Journal 112:719-732. doi: 10.2134/agronj2019.06.0415
• Moore, K.J., C.L. Kling, and D.R. Raman. 2020. A Midwest USA Perspective on Von Cossel et al.’s Prospects of Bioenergy Cropping Systems for A More Social-Ecologically Sound Bioeconomy.  Agronomy 10:1658; doi:10.3390/agronomy10111658
• Forcella, F., S. Patel, A.W. Lenssen, C. Hoerning, M.S. Wells, R.W. Gesch, and M.T. Berti. 2021. Pollinator visitation of flowering winter oilseeds (field pennycress and winter camelina). Journal of Entomology. doi:10.111/jen.12854.
• Casler, M.D., K.P. Vogel, D.K. Lee, R.B. Mitchell, P.R. Adler, R.M. Sulc, K.D. Johnson, R.L. Kallenbach, A.R. Boe, R.D. Mathison, K.A. Cassida, D.H. Min, and K.J. Moore. 2020. Nitrogen demand associated with increased biomass yield of switchgrass and big bluestem. BioEnergy Research 13:120-131; doi.org/10.1007/s12155-019-10081-y
• Bartel, C.A., S.V. Archontoulis, A.W. Lenssen, K.J. Moore, I.L. Huber, D.A. Laird, S. Fei, and P.M. Dixon.  2020.  Modeling perennial groundcover effects on annual maize grain crop growth with the Agricultural Production Systems sIMulator. Agronomy Journal 112:1895–1910.
• Banik, C., C.A. Bartel, D.A. Laird, K.J. Moore, and A.W. Lenssen. 2020. Perennial cover crop influences on soil C and N and maize productivity.  Nutrient Cycling in Agroecosystems 116:135-150.
• Acharya, J., T.B. Moorman, T.C. Kaspar, A.W. Lenssen, and A.E. Robertson. 2020.  Effect of cover crop species and rotation on corn and soybean seedling disease and yield in no-till system. Plant Disease 104:677-687. https://doi.org/10.1094/PDIS-09-19-1904-RE
• Nevins, C., Lacey, C. L., & Armstrong, S. D. 2021. Cover crop enzyme activities and resultant soil ammonium concentrations under different tillage systems. European Journal of Agronomy. (Accepted)
• Sadeghpour, A., Adeymi, O., Hunter, D., Lua, Y., & Armstrong, S. D. (2021). Precision planting impacts on winter cereal rye growth, nutrient uptake, spring soil temperature and adoption cost. Renewable Agriculture and Food Systems. https://doi.org/https://doi.org/10.1017/S1742170520000411
• Thompson, N. M., Armstrong, S. D., Roth, R. T., Ruffatti, M. D., & Reeling, C. J. (2020). Short-Run Net Returns to a Cereal Rye Cover Crop Mix in a Midwest Corn-Soybean Rotation. Agronomy Journal, 112, 1068–1083.
• Lacey, C., Nevins, C. J., Camberato, J. J., Kladivko, E. J., Sadeghpour, A., & Armstrong, S. D. (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.
• Hodgskiss, C. L., Young, B. G., Armstrong, S. D., & Johnson, W. G. (2021). Evaluating cereal rye and crimson clover for weed suppression within buffer areas in dicamba-resistant soybean. Weed Technology, 1–29.
• DeSimini, S. A., Gibson, K. D., Armstrong, S. D., Zimmer, M., Maia, Lucas O. R., & Johnson, W. G. (2020). Effect of cereal rye and canola on winter and summer annual weed emergence in corn. Weed Technology, 34(6), 787–793. https://doi.org/10.1017/wet.2020.51
• Thompson, N. M., Reeling, C. J., Michelle Fleckenstein, Prokopy, L. S., & Armstrong, S.D. (2020). Examining Intensity of Conservation Practice Adoption: Evidence from Cover Crop Use on U.S. Midwest Farms. Food Policy. (Accepted)

 Wisconsin

• West, J.R., M.D. Ruark, and K.B. Shelley. 2020. Sustainable intensification of corn silage cropping systems with winter rye. Agron. Sustain. Devel. 40:11.
• West, J.R., A.M. Cates, M.D. Ruark, L. Deiss, T. Whitman, and Y. Rui. 2020. Winter rye does not increase necromass contributions to soil organic carbon in continuous corn silage in North Central US. Soil Biol. Biochem. 148:107899

 Nebraska

• Blanco-Canqui, H., and S, Ruis. 2020. Cover crops and soil physical properties: A review. Soil Sci. Soc. Am. J. 1527-1576. 
• Blanco-Canqui, H., M. Drewnoski, D. Redfearn. J. Parsons, G. Lesoing, and W. Tyler. 2020. Does cover crop grazing damage soils and reduce crop yields?. Agrosystems, Geosciences & Environment 3: e20102.
• Blanco-Canqui, H., S, Ruis, C. Proctor, C. Creech, M. Drewnoski, and D. Redfearn. 2020. Harvesting cover crops for biofuel and livestock production: Another ecosystem service? A review. Agron J. 112:2373-2400.
• Chatterjee, N., Archontoulis S., Bastidas A., Proctor C., Elmore R, and Basche, A. Simulating alternative corn management for earlier cover crop introduction in corn-soybean rotation. Agronomy Journal. https://doi.org/10.1002/agj2.20377
• Koehler-Cole, K., R.W. Elmore, H. Blanco-Canqui, C.A. Francis, C.A. Shapiro, C.A. Proctor, D.M. Heeren, S. Ruis, S. Irmak, and R.B. Ferguson. 2020. Cover crop productivity and subsequent soybean yield in the western Corn Belt. Agron. J. 112:2649-2663.
• Koehler-Cole, K., S. Everhart, Yan Gu, C. Proctor, M. Marroquin Guzman, D. Redfearn, and R. Elmore. 2020. Is allelopathy from winter cover crops affecting row crops? Agricultural and Environmental Letters. doi:1031002/ael2.20015.
• Koehler-Cole, K., C.A. Proctor, R.W. Elmore, D.A. Wedin. Spring-planted cover crops for weed control in organic soybean. Renewable Agriculture and Food Systems. In Press.
•  
• Koehler-Cole, K., and R.W. Elmore. 2020. Seeding Rates and Productivity of Broadcast Interseeded Cover Crops. Agronomy 10:1723. doi: 10.3390/agronomy10111723. 
• Nichols, V., Martinez-Feria, R., Weisberger, D., Carlson, S., Basso, B., Basche, A. 2020. Cover crops and weed suppression in the US Midwest: a meta-analysis and modeling study. Agricultural and Environmental Letters.5:e20022. https://doi.org/10.1002/ael2.20022
• Ruis, S.J., H. Blanco-Canqui, K. Koehler-Cole, P. Jasa, G. Slater, R.W. Elmore, and R.B. Ferguson 2020. Winter cover crop root biomass yield in corn and soybean systems. Agrosystems, Geosciences & Environment 3: e20101.
• Ruis, S.J., H. Blanco-Canqui, K. R.W. Elmore, C. Proctor, K. Koehler-Cole, C.A. Shapiro, C.A. Francis, and R.B. Ferguson. 2020. Impacts of cover crop planting dates on soils after four years. Agron. J. 112:1649-1665.

 North Dakota

• Delavarpour, N., S. Eshkabilov, T. Bon, J. Nowatzki, and S. Bajwa. 2020. The Tractor-Cart System Controller with Fuzzy Logic Rules. Appl. Sci. 2020, 10, 5223; doi:10.3390/app10155223
• Teuber, O., D. Samarappuli, and M.T. Berti. 2020. Nitrogen and sulfur fertilization in kale and swede for grazing. Agronomy 10(5), 619; doi:10.3390/agronomy10050619
• Acharya, K., Yan, G. P., and Plaisance, A. 2020. Effects of cover crops on population reduction of soybean cyst nematode, Heterodera glycines. Plant Disease 104. https://doi.org/10.1094/PDIS-08-20-1778-RE
• Podder, S., D. Samarappuli, James V. Anderson, and M.T. Berti*. 2020. Phenotyping a diverse collection of forage sorghum genotypes for chilling tolerance. Agronomy, 10:1074 doi:10.3390/agronomy10081074
• Mohammed, Y.A., S. Patel, H. Matthees, A.W. Lenssen, B.L. Johnson, M.S. Wells, F. Forcella, M.T. Berti, R.W. Gesch. 2020 Soil nitrogen in response to interseeded cover crops in maize–soybean Production Systems. Agronomy 10, 1439; doi:10.3390/agronomy10091439
• Forcella, F., S. Patel, A.W. Lenssen, C. Hoening, J. Eckberg, M.S. Wells, R.W. Gesch, and M.T. Berti. 2020. Pollinator visitation of flowering winter oilseeds (field pennycress and winter camelina). J. Applied Entomology 00:1-9 doi: 10.1111/jen.12854
• Wittenberg, A., J.V. Anderson, M.T. Berti. 2020. Crop growth and productivity of winter camelina in response to sowing date. Ind. Crops Prod. 158:113036 doi.org/10.1016/j.indcrop.2020.113036
• Patel, S., A.W. Lenssen, K.J. Moore, Y.A. Mohammed, R.W. Gesch, M.S. Wells, B.L. Johnson, M.T. Berti, and H.L. Matthees. 2021. Interseeded pennycress and camelina yield and their influence on row crops. Agronomy J. Accepted 
• Cecchin, A., Pourhashem, G., R.W. Gesch, A.W. Lenssen, S. Patel, and M.T. Berti. 2021. Environmental trade-offs of relay-cropping winter cover crops within maize and soybean. Agric. Systems 189:103062
• Cecchin, A., Pourhashem, G., R.W. Gesch, A.W. Lenssen, S. Patel, and M.T. Berti. 2021. The environmental impact of ecological intensification of a cropping system in the U.S. Upper Midwest. Sustainability 13: 1696. https://doi.org/10.3390/su13041696
• Sigdel, S., A. Chaterjee, M.T. Berti, C. Gasch, and A. Wick. 2021.  Interseeding cover crops in sugarbeet. Field Crops Res. 263: 1080709, doi.org/10.1016/j.fcr.2021.108079
• Johnson, K., H. Kandel, D.P. Samarappuli, and M.T. Berti. 2021. Interseeding camelina and rye in soybean with varying maturity provides soil cover without affecting soybean yield. Agronomy 11, 353. https://doi.org/10.3390/agronomy11020353
• Lukaschewsky, J., D.P. Samarappuli, and M.T. Berti. 2021. Intercropping alfalfa into silage maize can be more profitable than maize silage followed by spring-seeded alfalfa. Agronomy Accepted
• Schmitt, M. M.T. Berti, D. Samarappuli, and J. Ransom. 2021. Factors affecting the establishment and growth of cover crops intersown into maize (Zea mays L.). Agronomy Accepted
• Sciarresi, C., C. Proctor, E. Haramoto, L. Lindsey, G. Carmona, R. Elmore, S. Everhart, W. Looker, M. Marroquin-Guzman, J. McMechan, J. Wehrbein, R. Werle, M. Salmeron. 2020. Evaluating short-season soybean management adaptions for cover crop rotations with a crop simulation model. Field Crop Research. 250:107734. doi: 10.1016/j.fcr.2020.107734.

 Minnesota

• Ginakes, P.., Grossman, J., Baker, J., & Sooka-sanguan, T. (2020). Living mulch management spatially localizes nutrient cycling in organic corn production. MDPI Agriculture, 10(6), 243. 
• Ginakes, P., Grossman, J., Baker, J., & Sooksa-nguan, T. (2020). Tillage intensity influences nitrogen cycling in organic kura clover living mulch. Nutrient Cycling in Agroecosystems, 116(1), 71-82. 
• Liu, R, MS Wells, and A Garcia y Garcia. 2019. Cover crop potential of winter oilseed crops in the Northern U.S. Corn Belt. Arch. Agron. Soil Sci., 65(13): 1845-1859.
  doi: 10.1080/03650340.2019.1578960 
• Moore, S.A., Wells, M.S., Gesch, R.W., Becker, R.L., Rosen, C.J., & Wilson, M.L. (2020). Pennycress as a Cash Cover-Crop: Improving the Sustainability of Sweet Corn Production Systems. Agronomy, 10(5), 614. https://doi.org/10.3390/agronomy10050614
• Yesuf Assen Mohammed, Swetabh Patel, Heather L. Matthees, Andrew W. Lenssen, Burton L. Johnson, M. Scott Wells, Frank Forcella, Marisol T. Berti and Russ W. Gesch. 2020. Soil nitrogen in response to interseeded cover crops in maize–soybean production systems. Agronomy 2020, 10(9), 1439; https://doi.org/10.3390/agronomy10091439
• Yesuf Assen Mohammed, Heather L. Matthees, Russ W. Gesch, Swetabh Patel, Frank Forcella, Kyle Aasand, Nicholas Steffl, Burton L. Johnson,  M. Scott Wells and Andrew W. Lenssen. 2020. Establishing winter annual cover crops by interseeding into Maize and Soybean. Agronomy Journal. https://doi.org/10.1002/agj2.20062
• Perrone, S., Grossman, J., Liebman, A., Sooksa-ngua, T., & Gutknecht, J. (2020). Nitrogen fixation and productivity of winter annual legume cover crops in Upper Midwest organic cropping systems. Nutrient Cycling in Agroecosystems, 117, 61–76. 
• Rusch, HL, JA Coulter, JM Grossman, GA Johnson, PM Porter, and A Garcia y Garcia. 2020. Towards sustainable maize production in the U.S. upper Midwest with interseeded cover crops. PLOS ONE 15(4): e0231032. doi: 10.1371/journal.pone.0231032
• West, J. R., Cates, A. M., Ruark, M. D., Deiss, L., Whitman, T., & Rui, Y. (2020). Winter rye does not increase microbial necromass contributions to soil organic carbon in continuous corn silage in North Central US. SOIL BIOLOGY & BIOCHEMISTRY, 148. doi: 10.1016/j.soilbio.2020.107899

Kansas

• Fontes GP, Tomlinson PJ, Roozeboom KL, Warren J, Diaz DR. 2020. Nitrogen fertilization offsets the N2O mitigating effects of cover-crops and double-crop soybean in a wheat-sorghum system. Agron J. 112 (2) 772-785. https://doi.org/10.1002/agj2.20095
• Carr, P., J. Bell, D. Boss, P. DeLaune, J. Eberly, L. Edwards, H. Fryer, C. Graham, J. Holman, M. Islam, M. Liebig, P. Miller, A. Obour, and Q. Xue. Annual forage impacts on dryland wheat farming in the Great Plains. Agronomy Journal. 113:1, 1-25. https://doi.org/10.1002/agj2.20513
• Holman, JD, A. Obour, and Y. Assefa. 2020. Cover-crop water use and productivity in the High Plains wheat-fallow crop rotation. Crop Science. 1-12. https://doi.org/10.1002/csc2.20365
• Holman, JD, Y. Assefa, M. Stamm, and A. Obour. 2020. Canola yield, forage accumulation, and nutritive value in dual-purpose and companion cropping. Holman, Yared, Stamm, and Augustine. Crop Science. 63:1, 814-824. https://doi.org/10.1002/csc2.20291
• Holman, JD, Schlegel A, Obour AK, and Y. Assefa. 2020. Dryland cropping system impact on forage accumulation, nutritive value, and rainfall use efficiency. Crop Science. 60:6, 3395-3409. https://doi.org/10.1002/csc2.20251
• Obour AK, JD Holman, and AJ Schlegel. 2020. Spring triticale forage responses to seeding rate and nitrogen application. Agrosyst Geosci Environ. 2020;3:e20053. https://doi.org/10.1002/agg2.20053
• Kumar V, A. Obour, P. Jha, R. Liu, M.R. Manuchehri, J.A. Dille, J. Holman, and P.W. Stahlman. 2020. Integrating cover crops for weed management in the semiarid U.S. Great Plains: Opportunities and challenges. Weed Sci. doi:10.1017/wsc.2020.29

04/13/2022

1. Acharya, J., T. Kaspar, and A.E. Robertson. 2021. Effect of 6-Methoxy-2-benzoxazolinone (MBOA) on Pythium species and corn seedling growth and disease. Plant Dis. doi.org/10.1094/PDIS-04-20-0824-SC
2. Anderson, J.V., M. Neubauer, D.P. Horvath, W.S. Chao, and M.T. Berti. 2022. Analysis of Camelina sativa transcriptomes identified specific transcription factors and processes associated with freezing tolerance in a winter biotype. Ind. Crops Prod. 177:114414 doi.org/10.1016/j.indcrop.2021.114414
3. Andrea, C., G. Pourhashem, R.W. Gesch, A.W. Lenssen, Y.A. Mohammed, S. Patel, M.T. Berti. 2021. Environmental trade-offs of relay-cropping winter cover crops with soybean in the maize-soybean rotation. Agricultural Systems 189: 103062. doi.org/10.1016/j.agsy.2021.103062
4. Baker J.M., K.A. Albrecht, G.E. Feyereisen, and J.D. Gamble. 2021. A perennial living mulch substantially increases infiltration in row crop systems. J. Soil Water Conserv. 77(1). doi.org/10.2489/jswc.2022.00080
5. Blanco‐Canqui, H., M.E. Drewnoski, and D.G. Rice. 2021. Does harvesting cover crops eliminate the benefits of cover crops? Insights after three years. Soil Sci. Soc. of Am. J. 85:146-157.
6. Berti, M.T., A. Cecchin, D.P. Samarappuli, S. Patel, A.W. Lenssen, K.J. Moore, S.S. Wells, and M.J. Kazula. 2021. Alfalfa established successfully in intercropping with corn in the US Midwest. Agronomy. 11:1676. doi.org/10.3390/agronomy11081676
7. Brooker, A., K. Renner, R.F. Price, and B. Basso. 2021. Evaluating high-resolution optical and thermal reflectance of maize interseeded with cover crops across spatial scales using remotely sensed imagery. Agron. J. 113:2884-2899.
8. Candelaria, N., J. Grossman, M. Rogers, and A. Fernandez. 2021. Exploring multifunctionality of summer cover crops for organic vegetable farms in the upper Midwest. Renew. Ag. and Food Sys.  
9. Carver, R.E., N.O. Nelson, K.L. Roozeboom, G.J. Kluitenberg, P.J. Tomlinson, Q. Kang, D.S. Abel. 2022. Cover crop and phosphorus fertilizer management impacts on surface water quality from a no-till corn-soybean rotation. J. Environ. Mgmt. 301. doi.org/10.1016/j.jenvman.2021.113818.
10. Davis, C.J., D.R. Presley, C.L. Rivard, J.J. Griffin, and P.J. Tomlinson. 2022. Conservation systems influence on soil properties in pumpkin production. Soil Sci. Soc. Am. J. 86:435–449. doi.org/10.1002/saj2.20365
11. Franco, J.G., M.T. Berti, J.H. Grabber, J.R. Hendrickson, C.C. Nieman, P. Pinto, D. van Tassel, and V.D. Picasso. 2021. Ecological intensification of food production by integrating forages. Agronomy. 11:2580. doi.org/10.3390/agronomy11122580
12. Francis, H.R., T.F. Ma, and M.D. Ruark. 2021. Toward a standardized statistical methodology comparing optimum nitrogen rates among management practices: A bootstrapping approach. Ag. Environ. Letters. 6:e20045. doi:10.1002/ael2.20045.
13. Forcella F., S. Patel, A.W. Lenssen, C. Hoerning, M.S. Wells, R.W. Gesch, M.T. Berti. 2021. Weather and landscape influences on pollinator visitation of flowering winter oilseeds (field pennycress and winter camelina). Journal of Applied Entomology. 145:286–294 doi.org/10.1111/jen.12854.
14. Gesch, R.W, M.S. Wells, and A. Hard. 2021. Desiccation of corn allows earlier direct seeding of winter camelina in the Northern Corn Belt. Crop Sci. doi:10.1002/csc2.20549
15. Ginakes, P. and J. Grossman. 2021. Extending cover crop benefits with zone-till management in northern organic summer squash production. Agronomy.  
16. Gutknecht J., A. Journey, H. Blair, H. Peterson, and A. Cates. 2022. Reduced tillage and diverse cover crops for soil Management practices to promote soil health and climate adaptation: grappling with varied success and farmer versus researcher perspectives. J. Environ. Qual. 
17. Hodgskiss, C.L., B.G. Young, S.D. Armstrong, and W.G. Johnson. 2021. Evaluating cereal rye and crimson clover for weed suppression within buffer areas in dicamba-resistant soybean. Weed Tech. 1–29.
18. Howard, G., W. Zhang, A. Valcu-Lisman, and P.W. Gassman. 2021. Evaluating the efficiency-participation tradeoff in agricultural conservation programs: The effect of reverse auctions, spatial targeting, and higher offered payments. Working paper 21-WP 622. Center for Ag. Rural Devel., Iowa State University, Ames, IA.
19. Carmona, I.G., L.M. Delserone, J.N. Duarte Campos, T.F. Almeida, D.V.B. Ozório, J.D.B. Cardona, R. Wright, and A.J. McMechan. 2021. Does cover crop management affect arthropods in the subsequent corn and soybean crops in the United States? A systematic review. Annals Ent. Soc. Am. 114:151-162.
20. Kandel, H., D.P. Samarappuli, K. Johnson, and M.T. Berti. 2021. Soybean relative maturity, not row spacing affected interseeded cover crops biomass. Agriculture. 11:441 doi.org/10.3390/agriculture11050441
21. Koehler-Cole, K., C.A. Proctor, R.W. Elmore, and D.A. Wedin. 2021. Spring-planted cover crops for weed control in soybean. Renew. Ag. Food Sys. 1-8. doi.org/10.1017/S1742170521000107  
22. Kurtz, S., J. Acharya, T. Kaspar, and A.E. Robertson. 2021. Influence of spatial planting arrangement of winter rye cover crop on corn seedling disease and corn productivity. Plant Dis. 105:4014-4024 doi.org/10.1094/PDIS-04-21-0764-RE.
23. Kurtz, S., J. Acharya, T. Moorman, T. Kaspar, A. Lenssen, and A.E. Robertson. 2021. Seedling disease of corn caused by Pythium increases with proximity of rye. Plant Dis. doi.org/10.1094/PDIS-06-20-1389-SC
24. Liebman, M., A. Basche, T.X. Huong, D.A. Weisberger. 2021. How can cover crops contribute to weed management? A modelling approach illustrated with rye (Secale cereale) and Amaranthus tuberculatus. Weed Research. doi.org/10.1111/wre.12508
25. Lowry, C., G.P. Robertson, and D.C. Brainard. 2021. Strip-tillage decreases soil nitrogen availability and increases the potential for N losses in a cover cropped organic system. Ag. Eco. Environ. 319:107524.
26. Logsdon, S.D., C.A. Cambardella, and P.L. O'Brien. 2021. Multispecies cover crops in organic agricultural systems in the upper U.S. Midwest. Agrosyst. Geosci. Environ. 4:e20221. doi.org/10.1002/agg2.20221
27. Maher, R.M., A. Rangarajan, B.A. Caldwell, Z.D. Hayden, D.C. Brainard. 2021. Legume species not spatial arrangement influence cover crop mixture effects in strip-tilled organic cabbage. Agron. J. 113:2710-2731. 
28. Mohammed, Y.A., R.W. Gesch, H.L. Matthees, and S.S. Wells. 2022. Maturity selection but not sowing date enhances soybean productivity and land use in a winter camelina-soybean relay system. Food Energy Sec. 11: e346. doi.org/10.1002/fes3.346
29. Nevins, C., C.L. Lacey, and S.D. Armstrong. 2021. Cover crop enzyme activities and resultant soil ammonium concentrations under different tillage systems. Eur. J. Agron.
30. Nguyen, L.T. and A.N. Kravchenko. 2021. Effects of cover crops on soil CO2 and N2O emissions across topographically diverse agricultural landscapes in corn-soybean-wheat organic transition. Eur. J. Agron. 122:126189.
31. Obour, AK, L.M. Simon, J.D. Holman, P.M. Carr, M. Schipanski, S. Fonte, R. Ghimire, T. Nleya, and H. Blanco-Canqui. 2021. Cover crops to improve soil health in the North American Great Plains. Agron. J. 113:4590–4604. doi.org/10.1002/agj2.20855
32. O'Neill, B., C.D. Sprunger, and G.P. Robertson. 2021. Do soil health tests match farmer experience? Assessing biological, physical, and chemical indicators in the upper Midwestern United States. Soil Sci. Soc. Am. J. 85:903-918.
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