04/27/2026

Publications

Bisangwa, E., Richwine, J.D., P. D. Keyser, Ashworth, A.J., D. M. Butler, Shrestha, U., and F. R. Walker. 2025. Native warm-season grasses show limited response to phosphorus and potassium. Agronomy.

Okai, S., X. Yin, L. A. Duncan, D. C. Yoder, D. Saha, F. R. Walker, S. Logwood, J. Akuaku, and N. Adotey. 2025. In vitro evaluation of enhanced efficiency nitrogen fertilizers using two different soils. Soil Systems 9 (3), 80.

Adotey, N., S. Okai, Blair, R., D. C. Yoder, X. Yin, L. A. Duncan, F. R. Walker, and D. Saha. 2025. Soil Properties that Affect Ammonia Volatilization Loss from Urea Ammonium Nitrate. https://utia.tennessee.edu/publications/wp-content/uploads/sites/269/2025/05/W1322.pdf.

Keadle Emery, A. L. Wszelaki, B. Pedreira, D. McIntosh, and F. R. Walker. 2025. Know Before You Plant: How to Check Soil, Manure or Compost for Possible Chemical Contamination from Herbicides. W1332. UT Extension publication. Extension publication.

Hawkins, S. A., and F. R. Walker. 2025. Series Guide for Tennessee Agricultural Producers Applying Biosolids: Concentration Limits for Heavy Metals. UT Extension Publication, W1365.

Hawkins, S. A., and F. R. Walker. 2025. Series Guide for Tennessee Agricultural Producers Applying Biosolids: Class A vs Class B Pathogen Safety Standards. UT Extension Publication, W1366.

Hawkins, S. A., M. A. McClure, J. McNeal, N. Adotey, L. A. Duncan, F. R. Walker, and G. T. Tabler. 2025. A Row Crop Producers Guide to Applying Poultry Litter to Soybean at Planting. UT Extension Publication, W1292.

Tabler, G. T., S. A. Hawkins, F. R. Walker, A. Rius, T. Thornton, Y. Liang, J. Moon, and J. Urrutia. 2025. Challenges and benefits of managing and utilizing poultry litter inside and outside the broiler house. UT Animal Science Extension Publication No. W 1329 July.

Lunga, D., Brye, K., Mulvaney, M., Daniels, M., de Oliveira, T., Baker, B., Bradford Jr, T., Arel, C. (2025). Cover crop effects on greenhouse gas emissions and global warming potential in furrow-irrigated corn in the Lower Mississippi River Valley. Atmosphere, 16(5), 498. https://doi.org/10.3390/atmos16050498

Lunga, D., Brye, K., Mulvaney, M., Daniels, M., de Oliveira, T., Baker, B., Bradford Jr, T., Arel, C. (2025). Time-series analysis of soil respiration in furrow-irrigated corn with and without cover crop in the Lower Mississippi River Basin. Climate, 13(1), 232. https://doi.org/10.3390/cli13110232 Extension Publications:

Baker, B., Entsminger, E. D., Hill, M., Reed, V., Czarnecki, J. (2026). Soil Health and Conservation: Making Connections for Management (pp. 8). Mississippi State, MS: Mississippi State University Extension, Mississippi State, Mississippi. Publication P4162. Extension

Yang, J., Peng, B., Wang, Y., Ma, Z., Zhao, Q., Liu, L., Jia, X., Kumar, V., Pan, M., Jia, M. and Li, X., 2026. Knowledge-guided graph machine learning for spatially distributed prediction of daily discharge and nitrogen export dynamics. Water Research, p.125613.

Zhao, Q., Peng, B., Ma, Z., Jia, M., McIsaac, G.F., Robertson, D.M., Saad, D.A., Warner, R.E., Wu, X., Zhou, Q. and Guan, K., 2025. How do Hydrological Variability and Human Activities Control the Spatiotemporal Changes of Riverine Nitrogen Export in the Upper Mississippi River Basin?. Environmental Science & Technology, 60(1), pp.1028-1039.

Ma, Z., Guan, K., Peng, B., Zhou, W., Grant, R., Tang, J., Sivapalan, M., Pan, M., Li, L. and Jin, Z., 2025. Soil oxygen dynamics: a key mediator of tile drainage impacts on coupled hydrological, biogeochemical, and crop systems. Hydrology and Earth System Sciences, 29(22), pp.6393-6417.

Ahmed, M., and Hayes, M., Waste to Resource: A Review of Nutrient Removal from Agricultural Runoff using Recycled Byproducts. Journal of Agriculture and Food Research. 2025. 102371. https://doi.org/10.1016/j.jafr.2025.102371

 Moni, E., and Hayes, M. Unlocking Soil Health and Surface Water Quality Management: A Review on Fluorescent Dissolved Organic Matter (fDOM) in Agricultural Systems. Journal of Agricultural and Food Chemistry . 2026. 74(3). https://doi.org/10.1021/acs.jafc.5c13863

Hayes, M, Bush, E., and Nolen, R., Be on the Team to Think Downstream: Salinity. Fact Sheets. Lead Author. December 2024. Pub. # P3975-G. Article Link 

Hayes, M, Bush, E., and Nolen, R., Be on the Team to Think Downstream: pH. Fact Sheets. Lead Author. December 2024. Pub. # P3975-F. Article Link 

Hayes, M, Bush, E., and Nolen, R., Be on the Team to Think Downstream: Nitrogen. Fact Sheets. Lead Author. December 2024. Pub. # P3975-E. Article Link 

Hayes, M, Bush, E., and Nolen, R., Be on the Team to Think Downstream: Pesticides. Fact Sheets. Lead Author. December 2024. Pub. # P3975-D. Article Link 

Hayes, M, Bush, E., and Nolen, R., Be on the Team to Think Downstream: Fecal Coliform/Enterococcus. Fact Sheets. Lead Author. December 2024. Pub. # P3975-C. Article Link

Hayes, M, Bush, E., and Nolen, R., Be on the Team to Think Downstream: Temperature. Fact Sheets. Lead Author. December 2024. Pub. # P3975-B. Article Link 

 Hayes, M, Bush, E., and Nolen, R*, Be on the Team to Think Downstream: Dissolved Oxygen. Fact Sheets. Lead Author. December 2024. Pub. # P3975-A. Article Link 

Hayes, M., and Bush, E., Be on the Team to Think Downstream: Color. Fact Sheets. Lead Author. January 2026. Pub. # P3975-O. Article Link 

Hayes, M., and Bush, E., Be on the Team to Think Downstream: Sulfate. Fact Sheets. Lead Author. January 2026. Pub. # P3975-N. Article Link 

Hayes, M., Bush, E., and Nolen, R., Be on the Team to Think Downstream: Total Dissolved Solids. Fact Sheets. Lead Author. January 2026. Pub. # P3975-M. Article Link 

Hayes, M., Bush, E., and Nolen, R., Be on the Team to Think Downstream: Total Suspended Solids. Fact Sheets. Lead Author. January 2026. Pub. # P3975-L. Article Link 

Hayes, M., Bush, E., and Nolen, R., Be on the Team to Think Downstream: Turbidity. Fact Sheets. Lead Author. January 2026. Pub. # P3975-K Article Link 

Hayes, M., Bush, E., and Nolen, R., Be on the Team to Think Downstream: Algae. Fact Sheets. Lead Author. January 2026. Pub. # P3975-J. Article Link 

Hayes, M., Bush, E., and Nolen, R., Be on the Team to Think Downstream: Phosphorus. Fact Sheets. Lead Author. January 2026. Pub. # P3975-I. Article Link 

Hayes, M., Bush, E., and Nolen, R., Be on the Team to Think Downstream: Metal. Fact Sheets. Lead Author. January 2026. Pub. # P3975-H. Article Link 

Gumbert, A., Byers, E., and Messer, T. 2025. HENV-207 Kentucky Wetlands. University of Kentucky Cooperative Extension Service, Lexington, KY. https://publications.mgcafe.uky.edu/sites/publications.ca.uky.edu/files/Wetland-lowliteracy8-page_0.pdf

Barker R.W., Helmers M.J., Mcdaniel M.D. (2025) Cover crops can mitigate no-tillage-induced labile phosphorus stratification. Soil Science Society of America Journal 89. DOI: ARTN e70064 10.1002/saj2.70064.

Baum M.E., Sawyer J.E., Nafziger E.D., Castellano M.J., Mcdaniel M.D., Licht M.A., Hayes D.J., Helmers M.J., Archontoulis S.V. (2025) The optimum nitrogen fertilizer rate for maize in the US Midwest is increasing. Nature Communications 16. DOI: ARTN 404 10.1038/s41467-024-55314-7.

Licht M.A., Comito J., Helmers M.J., Ripley E., Staudt A. (2025) Iowa learning farms: Utilizing research to develop and deliver extension outreach programs across multiple constituencies. Journal of Environmental Quality 54:747-761. DOI: 10.1002/jeq2.70008.

Lyons S.E., Arnall D.B., Ashford-Kornburger D., Brouder S.M., Christian E., Dobermann A., Haefele S.M., Haegele J., Helmers M.J., Jin V.L., Margenot A.J., Mcgrath J.M., Morgan K.T., Murrell T.S., Osmond D.L., Pelster D.E., Slaton N.A., Vadas P.A., Venterea R.T., Volenec J.J., Wagner-Riddle C. (2025) Field trial guidelines for evaluating enhanced efficiency fertilizers. Soil Science Society of America Journal 89. DOI: ARTN e20787 10.1002/saj2.20787.

Menegaz S.T., Fernández F.G., Venterea R.T., Helmers M.J., Pagliari P.H. (2025) Nitrate, Nitrous Oxide, and Ammonia Loss Mitigation with Optimum Rate of Enhanced Efficiency Nitrogen Fertilizer and Application Timing in Corn. Nitrogen Cycling and Soil Health:15-38. DOI: 10.1007/978-981-96-1132-4_2.

Mitchell M.E., Anteau M.J., Pearse A.T., Newcomer-Johnson T., Christensen J., Crumpton W., Dyson B., Canfield T.J., Helmers M., Green D., Forshay K.J. (2025) Modeling Wetland Resources for Spring Migratory Waterbirds Under Different Agricultural Management Scenarios in the Iowa Portion of the Prairie Pothole Region, USA. Wetlands 45. DOI: ARTN 48 10.1007/s13157-025-01930-y.