Bryan Woodbury - USDA ARS Agricultural Engineer

Alfalfa and corn fields — As it aggressively scavenges nitrogen in the soil, alfalfa can greatly reduce nitrate contamination of groundwater with no negative implications for future crops if planted in rotations.

Alfalfa in Rotation with Annual Crops Reduces Nitrate Leaching Potential and Increases Soil Organic Carbon Sequestration

March 30, 2023

This UNL research study provides insights on the rotation of annual crops with alfalfa as a highly effective means of reducing nitrate-nitrogen contamination in groundwater.