Research Project: Developing and Evaluating Strategies to Protect and Conserve Water and Environmental Resources While Maintaining Productivity in Agronomic Systems

Location: Soil and Water Management Research

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Landscape heterogeneity drives spatial and temporal patterns of nitrate export within agricultural watersheds - (Peer Reviewed Journal)

New insight into the influence of biochar particle size and aging in soil sorption of fluometuron - (Peer Reviewed Journal)
López-Cabeza, R., Velarde, P., Spokas, K.A., Cox, L. 2026. New insight into the influence of biochar particle size and aging in soil sorption of fluometuron. Agronomy. 16(6). Article 656. https://doi.org/10.3390/agronomy16060656.

Quantifying microplastics in environmental waters: Mass concentrations are superior to abundance - (Peer Reviewed Journal)
Rice, P.J., Feyereisen, G.W., Dalzell, B.J., Frankson, L.E., Simmerman, C.B., Schumacher, T.W., Malone, R.W., Williams, M.R., King, K.W. 2025. Quantifying microplastics in environmental waters: Mass concentrations are superior to abundance. Agricultural & Environmental Letters. 10(2). Article e70031. https://doi.org/10.1002/ael2.70031.

Integrated assessment of cost-effective water quality improvements in the Minnesota River Basin: Combining stated preferences and simulation-optimization approaches - (Peer Reviewed Journal)
Lang, Z., Rabotyagov, S., Hansen, A., Dalzell, B.J., Campbell, T., Tao, J. 2025. Integrated assessment of cost-effective water quality improvements in the Minnesota River Basin: Combining stated preferences and simulation-optimization approaches. Environmental Management. Article s00267-025-02179-1. https://doi.org/10.1007/s00267-025-02179-1.

Comprehensive soil, water, and air quality research in Minnesota - (Trade Journal)
Spokas, K.A., Dalzell, B.J., Feyereisen, G.W., Rice, P.J., Venterea, R.T. 2025. Comprehensive soil, water, and air quality research in Minnesota. Forage Focus. p 8-9.

Using spatially rich datasets to assess the influence of channel characteristics on biogeochemical behavior in agricultural watersheds - (Peer Reviewed Journal)
Herreid, A.M., Dalzell, B.J., Flynn, K., Baker, J. 2025. Using spatially rich datasets to assess the influence of channel characteristics on biogeochemical behavior in agricultural watersheds. Water Resources Research. 61(2). Article e2024WR038265. https://doi.org/10.1029/2024WR038265.

Climate displaces deposition as dominant driver of dissolved organic carbon concentrations in historically acidified lakes - (Peer Reviewed Journal)
Herreid, A.M., Fazekas, H.M., Nelson, S.J., Wymore, A.S., Murray, D., Varner, R.K., Mcdowell, W.H. 2024. Climate displaces deposition as dominant driver of dissolved organic carbon concentrations in historically acidified lakes. Biogeochemistry. 168. Article 5. https://doi.org/10.1007/s10533-024-01193-5.

Denitrifying bioreactor surface subsidence varies with age and cover - (Peer Reviewed Journal)
Christianson, L.E., Christianson, R.D., Hay, C.H., Seeman, A., Diaz-Garcia, C., Feyereisen, G.W., Pease, L., Kjaersgaard, J., Helmers, M.J., Soupir, M. 2025. Denitrifying bioreactor surface subsidence varies with age and cover. Ecological Engineering. 211. Article 107461. https://doi.org/10.1016/j.ecoleng.2024.107461.

Fungal degradation of complex organic carbon supports denitrification in saturated woodchip bioreactors - (Peer Reviewed Journal)
Wang, H., Feyereisen, G.W., Zhang, J., Ishii, S. 2025. Fungal degradation of complex organic carbon supports denitrification in saturated woodchip bioreactors. Bioresource Technology. 417. Article 131826. https://doi.org/10.1016/j.biortech.2024.131826.

Phosphorus transport in a hotter and drier Midwest: in-channel release of legacy phosphorus during summer low flow conditions - (Peer Reviewed Journal)
Dolph, C., Finlay, J., Dalzell, B.J., Feyereisen, G.W. 2024. Phosphorus transport in a hotter and drier Midwest: in-channel release of legacy phosphorus during summer low flow conditions. Hydrology and Earth System Sciences. 28(23):5249-5294. https://doi.org/10.5194/hess-28-5249-2024.

Mapping pollutant source to enhance water quality conservation in agricultural watersheds: Nonpoint no more? - (Other)

USDA LTAR Common Experiment measurement: Discharge from artificial subsurface drains - (Other)
Feyereisen, G.W., King, K.W., Cole, K.J., Williams, M.R., Malone, R.W., Bosch, D.D. 2024. USDA LTAR Common Experiment measurement: Discharge from artificial subsurface drains. Protocols.io. https://doi.org/10.17504/protocols.io.x54v92ewzl3e/v1.

USDA LTAR Common Experiment measurement: Total suspended solids (TSS) - (Research Notes)
Dalzell, B.J., Pisani, O. 2024. USDA LTAR Common Experiment measurement: Total suspended solids (TSS). Protocols.io. https://doi.org/10.17504/protocols.io.261ge5pjog47/v2.

Reformulation of dicamba herbicide: Impacts on offsite transport and soybean damage - (Peer Reviewed Journal)
Hammer, C.R., Griffis, T.J., Baker, J.M., Rice, P.J., Frankson, L.E., Gunsolus, J.L., Erickson, M.D., Xiao, K., Mistry, A.P., Sarangi, D. 2024. Reformulation of dicamba herbicide: Impacts on offsite transport and soybean damage. Agronomy Journal. 116(5):2200–2216. https://doi.org/10.1002/agj2.21630.

A comparative analysis of microplastic inflow in atmospheric deposition and stream outflow in a small cold-water agricultural watershed - (Abstract Only)
Simmerman, C.B., Baker, J.M., Rice, P.J. 2024. A comparative analysis of microplastic inflow in atmospheric deposition and stream outflow in a small cold-water agricultural watershed. American Chemical Society, August 18-22, 2024, Denver, Colorado.

Effects of insecticide spray drift on arthropod prey resources of birds in grasslands in Minnesota - (Peer Reviewed Journal)
Goebel, K.M., Anderson, D.E., Rice, P.J., Davros, N.M. 2024. Effects of insecticide spray drift on arthropod prey resources of birds in grasslands in Minnesota. Journal of Wildlife Management. 88(4). Article e22572. https://doi.org/10.1002/jwmg.22572.

Microbial diversity and soil health parameters associated with turfgrass landscapes - (Peer Reviewed Journal)
Chou, M., Pavlou, D., Rice, P.J., Spokas, K.A., Soldat, D.J., Koch, P.L. 2024. Microbial diversity and soil health parameters associated with turfgrass landscapes. Applied Soil Ecology. 196(4). Article 105311. https://doi.org/10.1016/j.apsoil.2024.105311.

2-Methly-4-chlorophenoxyacetic acid (MPCA) sorption and desorption as a function of biochar properties and pyrolysis temperature - (Peer Reviewed Journal)
Niaz, A., Spokas, K.A., Gamiz, B., Mulla, D., Arshad, K.R., Hussain, S. 2023. 2-Methly-4-chlorophenoxyacetic acid (MPCA) sorption and desorption as a function of biochar properties and pyrolysis temperature. PLOS ONE. 18(9). Article e0291398. https://doi.org/10.1371/journal.pone.0291398.

Paired small watersheds assess conservation efforts with producer input - (Abstract Only)
Feyereisen, G.W., Carr, N., Lore, M., Dalzell, B.J. 2023. Paired small watersheds assess conservation efforts with producer input. Soil and Water Conservation Society. August 6-9, 2023. Des Moines, Iowa.

Novel, ultralight platform for mapping water quality parameters in low-order streams - (Peer Reviewed Journal)
Felton, R., Dalzell, B.J., Baker, J.M., Flynn, K., Porter, S.A. 2023. Novel, ultralight platform for mapping water quality parameters in low-order streams. ACS Environmental Science & Technology Water. 3(10):3189-3446. https://doi.org/10.1021/acsestwater.3c00280.

Impacts of biostimulation and bioaugmentation on woodchip bioreactor microbiomes - (Peer Reviewed Journal)
Wang, H., Feyereisen, G.W., Wang, P., Rosen, C.J., Sadowsky, M.J., Ishii, S. 2023. Impacts of biostimulation and bioaugmentation on woodchip bioreactor microbiomes. Microbiology Spectrum. 11(5). Article 04053-22. https://doi.org/10.1128/spectrum.04053-22.

A coupled equilibrium boundary layer model with stable water isotopes and its application to local water recycling - (Peer Reviewed Journal)
Xiao, K., Griffis, T.J., Lee, X., Xiao, W., Baker, J.M. 2023. A coupled equilibrium boundary layer model with stable water isotopes and its application to local water recycling. Agricultural and Forest Meteorology. 339. Article 109572. https://doi.org/10.1016/j.agrformet.2023.109572.

Predicting high resolution total phosphorus concentrations for soils of the Upper Mississippi River Basin using machine learning - (Peer Reviewed Journal)
Dolph, C., Cho, S., Finlay, J., Hansen, A., Dalzell, B.J. 2023. Predicting high resolution total phosphorus concentrations for soils of the Upper Mississippi River Basin using machine learning. Biogeochemistry. 163:289–310. https://doi.org/10.1007/s10533-023-01029-8.

Carbon supplementation and bioaugmentation to improve denitrifying woodchip bioreactor performance under cold conditions - (Peer Reviewed Journal)
Feyereisen, G.W., Wang, H., Wang, P., Anderson, E.L., Jang, J., Ghane, E., Coulter, J.A., Rosen, C.J., Sadowsky, M.J., Ishii, S. 2023. Carbon supplementation and bioaugmentation to improve denitrifying woodchip bioreactor performance under cold conditions. Ecological Engineering. 191. Article 106920. https://doi.org/10.1016/j.ecoleng.2023.106920.

Can woodchip bioreactors be used at a catchment scale? Nitrate performance and sediment considerations - (Peer Reviewed Journal)
Feyereisen, G.W., Ghane, E., Schumacher, T.W., Dalzell, B.J., Williams, M.R. 2023. Can woodchip bioreactors be used at a catchment scale? Nitrate performance and sediment considerations. Journal of the ASABE. 66(2):367-379. https://doi.org/10.13031/ja.15496.

Amending woodchip bioreactors with corncobs reduces nitrogen removal cost - (Peer Reviewed Journal)
Law, J.Y., Slade, A., Hoover, N., Feyereisen, G., Soupir, M. 2022. Amending woodchip bioreactors with corncobs reduces nitrogen removal cost. Journal of Environmental Management. 330(15). Article 117135. https://doi.org/10.1016/j.jenvman.2022.117135.

The joy of measuring - (Abstract Only)

No/low-cost chipped woody debris nutrient composition benefits and tradeoffs for denitrifying bioreactors - (Peer Reviewed Journal)
Christianson, L.E., Wickramarathne, N., Johnson, G.M., Feyereisen, G.W. 2022. No/low-cost chipped woody debris nutrient composition benefits and tradeoffs for denitrifying bioreactors. Bioresource Technology Reports. 20. Article 101237. https://doi.org/10.1016/j.biteb.2022.101237.