John L Kovar

7PUBLICATIONS
50CO-AUTHORS
Surface water quality processes and contaminated sediment assessmentOrganic and low chemical input crop productionAgricultural hydrologyAgro-ecosystem function and predictionSustainable agricultural development
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Publications (7)

|Mar 17, 2026
Stream channel storage: Closing the watershed total phosphorus budget.

William J Beck, John L Kovar, Thomas M Isenhart

|Sep 26, 2025
Organic production reduces subsurface nitrate leaching and maintains crop yields in a US Mollisol.

Natalia Rogovska, Sabrina J Ruis, Derek B Carney

|Dec 25, 2024
Impact of tillage, cover crop, and in situ bioreactors on nutrient loss from an artificially drained Midwestern Mollisol.

Natalia Rogovska, John L Kovar, Robert Malone

|Oct 27, 2024
The LTAR Cropland Common Experiment at Upper Mississippi River Basin-Ames.

John L Kovar, Athanasios N Papanicolaou, Dennis L Busch

|Oct 15, 2024
The LTAR Common Experiment: Facilitating improved agricultural sustainability through coordinated cross-site research.

Mark A Liebig, Lori J Abendroth, G Philip Robertson

|Sep 19, 2023
Streambank erosion and phosphorus loading to surface waters: Knowns, unknowns, and implications for nutrient loss reduction research and policy.

Andrew J Margenot, Shengnan Zhou, Richard McDowell

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