The Right Strategies: Making Cover Crops Work for Iowa Farmers and Water Quality
Looking in the Rearview Mirror: Some Thoughts on the Future of Nutrient Management in Iowa

Presented by Pete Nowak, Professor, Nelson Institute for Environmental Studies, University of Wisconsin.

The Nitrogen Cycle

This video is a combined presentation by Mike Castellano, an Iowa State assistant professor of agronomy, and Matt Helmers, an Iowa State agricultural and biosystems engineering professor. Castellano presents information on the soil nitrogen cycle. Helmers discusses drainage and nitrate loss.