07/30/2026

Refereed journal articles, book chapters, and major reports for the current project year, organized by station. Conference abstracts, proceedings, extension factsheets, and outreach presentations.

Indiana — Purdue University

Abendroth, L.J., T. McClellan Maaz, S.M. Brouder, C.A. Cambardella, G. Chighladze, L.E. Christianson, C.F. Drury, F.G. Fernández, L.E. Gentry, M.J. Helmers, D.B. Jaynes, J.L. Kovar, T.B. Moorman, K.A. Nelson, C.M. Pittelkow, J.E. Sawyer, J.J. Volenec, and A.J. Eagle. 2025. Crop metrics for nutrient management research in corn-based cropping systems. protocols.io. https://dx.doi.org/10.17504/protocols.io.5jyl8d8jrg2w/v1

Stefancic, B., K.D. Johnson, J.J. Volenec, and R.P. Lemenager. 2025. Developing morphological prediction equations for switchgrass cultivars in Indiana. Crop, Forage & Turfgrass Mgmt. 11:e70088. https://doi.org/10.1002/cft2.70088

Wassgren, A., S.M. Brouder, D. Quinn, J.J. Volenec, and P. Poudel. 2025. Factors contributing to delayed adoption of short-stature corn: A systematic review. Agron. J. 117:e70218.

Kenney, M.A., R. Kopp, C. Samaras, et al. 202x. What a robust, evidence-based United States climate assessment needs. Earth's Future (in revision). [J.J. Volenec served as one of 17 Section Lead authors and led the Agriculture and Food section.]

Crespo, C., M. Nunes, M. Biru, J.L. Kovar, L.J. Abendroth, S.M. Brouder, T. Bruulsema, D. Carney, L.E. Christianson, C.F. Drury, A.J. Eagle, B. Emmett, F.G. Fernández, L.E. Gentry, M.J. Helmers, R. Malone, K.A. Nelson, P. O'Brien, G. Preza Fontes, N. Rogovska, S.J. Ruis, and J.J. Volenec. 2026. Quantifying the impact of 4R nutrient stewardship on soil health across the US corn belt. Soil Tillage Res. (in press).

Cai, C., J.F. Yatcilla, S.M. Brouder, and J.J. Volenec. 2026. Evolution and global landscape of evidence synthesis in agricultural research: A bibliometric analysis. Agriculture 16. https://doi.org/10.3390/agriculture16070793

Volenec, J.J., and C.J. Nelson. 2026. Environmental aspects of forage management. Chapter 5, pp. 71–88. In: C.J. Nelson, M. Collins, J. MacAdam, and K.J. Moore (eds.). Forages—An Introduction to Grassland Agriculture, Volume I, 8th Edition. John Wiley & Sons, New York, NY. ISBN 978-1-394-25859-8.

Iowa — Iowa State University

Moran, J., A.S. Goggi, K.J. Moore, S. Fei, and S. Gruss. 2025. Improving groundcover establishment through seed rate, seed ratio, and hydrophilic seed coating. Agronomy 15(8):1927. https://doi.org/10.3390/agronomy15081927

Gupta, V., S.M. Gruss, D. Cammarano, S.M. Brouder, P.A. Bermel, M.R. Tuinstra, M.W. Gitua, and R. Agrawal. 2025. Optimizing corn agrivoltaic farming through farm-scale experimentation and modeling. Cell Reports Sustainability 1(7). https://doi.org/10.1016/j.crsus.2024.100148

Kubesch, J.O.C., E. Matcham, S. Gruss, N. Tilhou, C. Roberts, A. Grev, F.A. Reith, and D.P. Golding. 2026. Establishment success and failure are seldom mentioned and poorly defined in forage systems. (Submitted)

Osterloh, M., S.M. Gruss, L.A. Schulte, F. Miguez, and A. VanLoocke. 2026. Modeling ecosystem services of managed prairie systems: Simulating production and nitrate loss. (Submitted)

Gruss, S.M., K.D. Johnson, R.P. Lemenager, and M.R. Tuinstra. 2026. Comparison of dhurrin-free and conventional sorghum hybrids for forage nutritive value and stocker calf performance. (Submitted)

Moore, K.J., and S.M. Gruss. Structure and morphology of grasses. In: C.J. Nelson, M. Collins, J. MacAdam, and K.J. Moore (eds.). Forages—An Introduction to Grassland Agriculture, Volume I, 8th Edition. John Wiley & Sons, New York, NY.

Moore, K.J., and S.M. Gruss. Compendium of common forages. In: C.J. Nelson, M. Collins, J. MacAdam, and K.J. Moore (eds.). Forages—An Introduction to Grassland Agriculture, Volume I, 8th Edition. John Wiley & Sons, New York, NY.

Kentucky — University of Kentucky

McGrail, R.K., J.D. Moore, A.E. Carlisle, J.A. Nelson, and R.L. McCulley. 2026. Climate change effects on biomass and greenhouse gas emissions are ameliorated by nontoxic endophytes in southeastern USA transition zone tall fescue pastures. Grassland Research 31:e70042. https://doi.org/10.1002/glr2.70042

Ribeiro, R.H., J. Dieckow, A.F. Sbrissia, F. Bratti, H.A.S. Ducheiko, M. Trybek, A. de Moraes, and M.B. Chiavegato. 2026. Increasing diversity of warm- and cool-season species enhances aboveground and root carbon and nitrogen accumulation in subtropical forage mixtures. Plant and Soil. https://doi.org/10.1007/s11104-026-08680-8

Yahdjian, L., S. Campana, P. Tognetti, et al. (including R.L. McCulley). 2026. Insights on global rangeland ecosystem services shaped by grazing and fertilization. Frontiers in Ecology and the Environment: e70022. https://doi.org/10.1002/fee.70022

Almagro Bonmati, M., A. Rey, R.M. Inclán, et al. (including R.L. McCulley). 2025. Vegetation type and climate determine temperature thresholds of soil respiration across drylands. Soil Biology & Biochemistry 211:109984. https://doi.org/10.1016/j.soilbio.2025.109984

Keller, A., E. Borer, C. Buyarski, E. Cleland, A. Gill, A. MacDougall, J. Moore, J. Morgan, R.L. McCulley, A. Risch, E. Seabloom, J. Wright, and S. Hobbie. 2025. Effects of elevated nutrient supply on litter decomposition are robust to impacts of mammalian herbivores across diverse grasslands. Oecologia 207(10):1–11.

van Galen, L., G. Smith, A. Margenot, et al. (including R.L. McCulley), and J. van den Hoogen. 2025. A global database of soil microbial phospholipid fatty acids and enzyme activities. Scientific Data 12:1568. https://doi.org/10.1038/s41597-025-05759-2

Maine — University of Maine

Poblete, J.B., K. Nishimwe, D. Zamudio, M.V. Cardoso, A.P. Jimenez, B.H. Carpa, N. Loganathan, A.K. Wilson, G. Pereira, Y. Jiang, and J.J. Romero. 2026. Efficacy of binders on sequestering per- and polyfluoroalkyl substances under in vitro ruminal conditions. Journal of Dairy Science 109(1):469–481.

Killerby, M.A., J.J. Romero, Z. Ma, and A.T. Adesogan. 2025. Ruminal planktonic, weakly, and tightly feed-adhered bacterial community as affected by two Trichoderma reesei enzyme preparations fed to lactating cattle. Applied Microbiology 5(3):93. https://doi.org/10.3390/applmicrobiol5030093

Oppong, G.M., D.C. Reyes, Z. Ma, S.A. Rivera, M.A. Killerby, D. Zamudio, A.B. Lichtenwalner, and J.J. Romero. 2025. Technical lignins antibacterial effects against environmental mastitis pathogens across various levels of bedding cleanliness in vitro. Molecules 30(14):2904. https://doi.org/10.3390/molecules30142904

Maryland — University of Maryland

Craig, H.McS., A. Castañeda, A. Tiwari, A. Johnson, N. Indugu, D. Pitta, R. Kohn, W. Lamp, and E. Rico. 2026. In vitro and in vivo evaluations of black soldier fly larvae as a methane-mitigating protein substitute in dairy cattle diets. (In preparation, Journal of Dairy Science)

Craig, H.McS., S. Windsor, K. Siniuk, R. Smith, J. Kraemer, and W. Lamp. 2026. Sampling insect assemblages in agricultural landscapes using sticky traps for community science based evaluations of farm management practices. (In preparation)

Siniuk, K., Y. Helbling, A. Shokoohi, S. Winsor, and W. Lamp. 2026. Evaluating the spatial and temporal distribution of arthropod predators within agricultural drainage ditches into surrounding crop fields. (In preparation, Environmental Entomology)

Siniuk, K., E. Rodriguez, J. Stewart, M. Hensley, H. Craig, and W. Lamp. 2026. Tri-trophic interactions within potato leafhopper resistant and susceptible alfalfa cultivars: Response of auchenorrhynchan species, pea aphids, and natural enemy arthropods. (In preparation, Environmental Entomology)

Michigan — Michigan State University

Cassida, K., J. Paling, J. Dedecker, and C. Kapp. 2026. 2025 Michigan Forage Variety Test Report. MSU Forage Factsheet 26-01, 27 pp.

Costa, M.C., W. Osterholz, D.L. Bjorneberg, E. Burns, J.L.C.S. Diaz, K.A. Cassida, M.M. Kohmann, J.H. Grabber, and M.J. Renz. 2026. What controls alfalfa establishment and silage corn yield when both crops are planted together? Forage Focus, May 2026, pp. 18–19.

Cassida, K. 2026. Ace your spring alfalfa seeding. Hay & Forage Grower 41:14–15. https://hayandforage.com/article-5651-Ace-your-spring-alfalfa-seeding.html

Legleiter, T., T. Butts, K. Cassida, M. Chilvers, S. Conley, A. Essman, W. Everman, A. Friskop, S. Knezevic, C. Krupke, D. Mangel, A. Robertson, D. Smith, A. Tenuta, and K. Wise. 2026. Cover crops do's and don'ts. Crop Protection Network CPN-4002. https://doi.org/10.31274/cpn-20190620-033

North Dakota — North Dakota State University

Tabert, M., M. Gartenberg, and M.T. Berti. 2026. Sunflower–alfalfa intercropping improved establishment of alfalfa and increased system profitability. Agronomy Journal. (Under revision, R2)

Orcasberro, M.S., K. Cassida, M.T. Berti, J. Guretzky, S. Ates, M. Atiemo, M. Casler, A. Finan, S. Gailans, A. Grev, S. Gruss, et al. 2025. Perenniality enhances biological indicators of soil health in farming systems across the US. Agronomy for Sustainable Development. (Submitted)

Spiess, J., C. Gasch, D. McGranahan, T. Hovick, M.T. Berti, and B. Geaumont. 2025. Soil nutrients and microbial community resistant to patch-burn grazing in southwestern North Dakota. Ecosphere. (Accepted)

Oregon — Oregon State University

Irawan, A., D. Hasan, J. Cruickshank, C.T. Estill, S. Ates, E. Trevisi, J. Ranches, B. Dolan, and M. Bionaz. 2025. Spent hemp biomass as a feed ingredient for beef steers: Effects on performance, blood parameters, behavior, cannabinoid residues, and consumer exposure levels. Animal. https://doi.org/10.1016/j.animal.2025.101715

Akyuz, S., S.K. Aydemir, and S. Ates. 2025. Assessment of seed viability before and after storage in forage pea (Pisum sativum L. var. arvense) using field and laboratory methods. Plants 14(18):2872. https://doi.org/10.3390/plants14182872

Dazaea, A., C.W. Higgins, A. Rosati, M. Graham, and S. Ates. 2025. The effect of establishment method and shade zones within solar arrays on pasture production in agrivoltaics production system. Frontiers in Sustainable Food Systems 9:1637340. https://doi.org/10.3389/fsufs.2025.1637340

Ford, H., J. Klopfenstein, S. Ates, S. Busato, E. Trevisi, and M. Bionaz. 2025. Feeding chicory-plantain silage and Se-yeast does not improve Strep. uberis-induced subclinical mastitis in lactating sheep. Dairy 6(4):40. https://doi.org/10.3390/dairy6040040

Aydemir, S.K., A. Devlet, and S. Ates. 2025. Exploring potential of quinoa as a forage crop in dryland farming: Effects of plant growth regulators and application timing. Crop, Forage & Turfgrass Management 11(2):e70062. https://doi.org/10.1002/cft2.70062

Irawan, A., D.G. Nosal, R.N. Muchiri, R.B. van Breemen, S. Ates, J. Cruickshank, et al., and M. Bionaz. 2025. Cannabinoid distribution and clearance in feeding spent hemp biomass to dairy cows and the potential exposure to Δ9-THC by consuming milk. Journal of Agricultural and Food Chemistry 73(22):13934–13948. https://doi.org/10.2139/ssrn.5103953

Irawan, A., H. Buffington, S. Ates, and M. Bionaz. 2025. Use of industrial hemp byproducts in ruminants: A review of the nutritional profile, animal response, constraints, and global regulatory environment. Journal of Cannabis Research 7:25. https://doi.org/10.1186/s42238-025-00279-7

Ates, S., E. Seeno, J.W. MacAdam, and D.J. Moot. 2025. Exploring clover-based nurse cropping for birdsfoot trefoil establishment and yield. Grass and Forage Science 80:e12710. https://doi.org/10.1111/gfs.12710

Stewart, W.C., J.D. Scasta, C. Maierle, S. Ates, J.M. Burke, and B.J. Campbell. 2025. Vegetation management utilizing sheep grazing within utility-scale solar: Agro-ecological insights and existing knowledge gaps in the United States. Small Ruminant Research 107439. https://doi.org/10.1016/j.smallrumres.2025.107439

Krueger, A., J. Cruickshank, S. Ates, E. Trevisi, and M. Bionaz. 2025. Welfare status in dairy cows during confined and grazing periods in the Pacific Northwest using blood parameters and visual assessments. Journal of Applied Animal Welfare Science. https://doi.org/10.1080/10888705.2025.2451942

Tennessee — University of Tennessee

Almeida, O.G., C.G.S. Pedreira, J.I. Yasuoka, S.C. Holschuch, G.B. Pedroso, V. Silva, A. Monteiro, and R.L.G. Nave. 2025. Stocking method effects on canopy characteristics and herbage accumulation of Mulato II brachiariagrass. Grass and Forage Science. https://doi.org/10.1111/gfs.70028

Nave, R.L.G., O.G. Almeida, J. Tucker, M.K.C.R. Sousa, and F.F. Nassar. 2025. Low-disturbance restoration of degraded orchardgrass pastures: Forage productivity and soil C and N responses. Agrosystems, Geosciences & Environment. https://doi.org/10.1002/agg2.70261

Johnson, K.F., R.L.G. Nave, O.G. Almeida, G.E. Bates, P. Myer, and K. Mason. 2025. Agronomic responses and cattle performance in cultivars of tall fescue and orchardgrass under continuous stocking. Translational Animal Science. https://doi.org/10.1093/tas/txaf120

Nassar, F.F., R.C. da Silva, R.L.G. Nave, and O.G. Almeida. 2025. Agronomic responses of tall fescue interseeded with crabgrass and buckhorn plantain. Crop, Forage & Turfgrass Management. https://doi.org/10.1002/cft2.70053

Nave, R.L.G. 2025. Sustainable forage production in crop-livestock systems. Agronomy. https://doi.org/10.3390/agronomy15030657

Nave, R.L.G., O.G. Almeida, J.J. Tucker, Y.V. Xiong, and A.P. Griffith. 2025. Nutritive value and economic responses under different restoration strategies of cool-season grass pastures. Crop, Forage & Turfgrass Management. https://doi.org/10.1002/cft2.70039

Texas — Texas A&M AgriLife Research

Dey, S., J. Kim, P.J. Deshpande, N. Shimim, X. Xu, M. Bhandari, J. Foster, Y. Calil, B. Whitaker, G. Jha, and D. Min. 2026. Feature selection and explainable machine learning to identify climatic drivers of alfalfa yield in Ogallala region (USA). Frontiers in Agronomy 8:1789727. https://doi.org/10.3389/fagro.2026.1789727

Ghansah, B., I. Khuimphukhieo, J. Da Silva, J.L. Landivar Scott, O. Fernández Montero, J.L. Foster, H. Li, M.J. Starek, and M. Bhandari. 2026. High throughput phenotyping of energy cane using uncrewed aircraft system (UAS) and machine learning. Industrial Crops & Products 239:1222396. https://doi.org/10.1016/j.indcrop.2025.122396

Bekewe, P.E., J.A. Burke, J.L. Foster, K.L. Lewis, H.L. Neely, C.B. Neely, L.E. Tomlin, B. Gerrish, and T.W. Boutton. 2026. Double cropping and tillage intensity in continuous wheat agroecosystems have variable impacts on soil hydrologic and physical properties. Soil & Tillage Research 255:106826. https://doi.org/10.1016/j.still.2025.106826

Palmer, K., M. Orem, J. Parrella, P. Lu, H. Leggette, and J. Foster. 2025. You've got mail: Exploring predictors of farmer's behavior toward soil health conservation practices. Advancements in Agricultural Development 6:90–105. https://doi.org/10.37433/aad.v6i3.619

Victoria, M., M. Orem, J.A. Parrella, H.R. Leggette, J.L. Foster, H. Neely, and C. Neely. 2025. Sorting out the details: A Q method study investigating wheat industry professionals' soil health management practices, information needs, and communication preferences. Journal of Applied Communications 109. https://doi.org/10.4148/1051-0834.2606

Utah — Utah State University

Ates, S., E. Seeno, J.W. MacAdam, and D.J. Moot. 2025. Exploring clover-based nurse cropping for birdsfoot trefoil establishment and yield. Grass and Forage Science 80:e12710.

Barney, M., C.L. Montgomery, J.E. Creech, J. Gomm, and A. Adjesiwor. 2025. Alternatives to paraquat for spring weed control in established alfalfa. Crop, Forage & Turfgrass Management 11:e70082.

Creech, J.E., C. Ransom, M. Yost, and R. Ramirez. 2025. Critical period of weed control in drought-tolerant corn under optimal and reduced irrigation levels. Weed Science 73:1.

Creech, J.E., C. Ransom, M. Yost, and R. Ramirez. 2025. Competitive ability of drought-tolerant corn hybrids in the presence of redroot pigweed (Amaranthus retroflexus) under optimal and reduced irrigation levels. Weed Science 73:1.

Gregorini, P., and J. Villalba. 2025. Modelling the effect of grazing management of tannin-containing legume feeding sites on environmental impact by cows grazing grass-dominated rangelands swards. Journal of Agricultural Science 163(2):202–211.

MacAdam, J.W., J. Gibbons, and X. Dai. 2025. Weed incursion of irrigated forage-forb mixtures under mob grazing or mowing in the Mountain West USA. Agronomy 15:010025.

MacAdam, J.W., B. Maughan, and X. Dai. 2025. Production, utilization and quality of irrigated grasses and legumes in the Mountain West USA under mob stocking or mowing at the same defoliation frequency and intensity. Grassland Research 4:31–40.

MacAdam, J.W., J. Villalba, S. Lagrange, E. Stewart, L. Pitcher, J.M. Norton, J. Reeve, Y. Zang, A. Bolletta, J. Legako, R. Christensen, and S. Hunt. 2025. In vivo reductions in methane and urinary nitrogen by perennial non-bloating temperate legume and forb functional forages produced in the Mountain West United States. Grass and Forage Science 80:e12719.

Muzzo, I., K. Blanden, A. Perea, S. Nyamuryekung'e, and J. Villalba. 2025. Multi-sensor integration and machine learning for high-resolution classification of herbivore foraging behavior. Animals 15(7):913.

Muzzo, B., R. Ramsey, K. Bladen, and J. Villalba. 2025. Tannin supplementation alters foraging behavior and spatial distribution in beef cattle. Sustainability 17(23):10611.

Poli, C., J. Tontini, L. Jacondino, J. Villalba, J. Muir, and L. Tedeschi. 2025. Plant tannin for grazing ruminant growth. Animal Frontiers 15(3):47–58.

Shreiber-Pan, S., M. Meyer-Ficca, and J. Villalba. 2025. Potential epigenetic impacts of phytochemicals on ruminant health and production: Connecting lines of evidence. Animals 15(12):1787.

Yost, M., J.A. Gale, R. Nelson, T. Wilde, K. Taylor, J.E. Creech, and B. Barker. 2025. Impact of three irrigation scheduling tools on irrigation and alfalfa productivity under center pivots. Soil Science Society of America Journal 89(4).

Yost, M., J.E. Creech, B. Barker, and C. Reid. 2025. Irrigation technology, irrigation dose, and crop genetic impacts on alfalfa yield and quality. Agricultural Water Management 311.

Wisconsin — University of Wisconsin–Madison

Bizzuti, B.E.C., P. Williams, M.M. Kohmann, F. Arriaga, J. Drewry, D. Hancock, and B. Luck. Characterization and impact of agricultural machinery traffic on alfalfa forage harvested. Precision Agriculture 27. https://doi.org/10.1007/s11119-026-10355-4

Bracho, R., M.M. Kohmann, A.S. Cardoso, P.J.R. Cruz, N. Ghimire, J.M.B. Vendramini, G. Celis, and M.L. Silveira. 2025. Carbon and methane fluxes from typical pasture-based beef cattle production systems in the Southeastern USA. Science of the Total Environment 1007. https://doi.org/10.1016/j.scitotenv.2025.180924

Cardoso, A.S., J.R. Hendrickson, M.A. Liebig, S.L. Kronberg, A.K. Clemensen, D.W. Archer, C. Nieman, M.M. Kohmann, and J.G. Franco. Grazing and cover crop effects on cover crop biomass and crop productivity during transition to organic production. Agronomy Journal 118:e70404. https://doi.org/10.1002/agj2.70404

Cardoso, A.S., M.A. Liebig, J.R. Hendrickson, S.L. Kronberg, A.K. Clemensen, D.W. Archer, C. Nieman, M.M. Kohmann, and J.G. Franco. 2025. Grazing and cover crop effects on soil health during transition to organic production. Agrosystems, Geosciences & Environment 8:e70213. https://doi.org/10.1002/agg2.70213

Cardoso, A.S., C. Nieman, M.P. Popp, K. Cartwright, J. Schafer, L. Ashlock, A.L. Thomas, B. Kirksey, S. Haller, Z. Libohova, P. Owens, A.J. Ashworth, M.M. Kohmann, and J.G. Franco. 2026. Crop yield and weed community response to cover crop termination strategies under organic management in the US Midsouth. Agronomy Journal 118:e70362. https://doi.org/10.1002/agj2.70362

Cardoso, A.S., J.R. Hendrickson, M.A. Liebig, S.L. Kronberg, A.K. Clemensen, D.W. Archer, C. Nieman, M.M. Kohmann, and J.G. Franco. Grazing, forage and cover crop effects on weed dynamics during transition to organic production in a semiarid environment. European Journal of Agronomy 78:128134. https://doi.org/10.1016/j.eja.2026.128134

David, D.B. de, C.H.E.C. Poli, E.B. de Azevedo, J.V. Savian, M.M. Kohmann, and P.C. de F. Carvalho. 2026. Potential to improve nitrogen fertilizer use efficiency and mitigate pollution in tropical pastures grazed by lambs. New Zealand Journal of Agricultural Research 69:e70051. https://doi.org/10.1002/jag2.70051

Frautschy, P., M.A. Nocco, M.M. Kohmann, and C.J. Kucharik. 2026. Pearl millet is a viable forage cover crop for Midwest potato and vegetable systems. Agrosystems, Geosciences & Environment. (Accepted)

Orcasberro, M.S., N. Tautges, M.M. Kohmann, I. Berro, P. Pinto, D. Undersander, and V. Picasso Risso. 2025. Management practices that maximize alfalfa forage harvested on farms: Insights from technological groups. Agronomy Journal 117:e70177. https://doi.org/10.1002/agj2.70177