Cover crops in the upper midwestern United States: Potential adoption and reduction of nitrate leaching in the Mississippi River Basin Image Date Issued 2014 Author Kladivko, Eileen J. Kaspar, Thomas C. Jaynes, Dan B. Malone, R. W. Singer, J. W. Morin, X. K Searchinger, T. Main Topic Water Conveyance & Hydraulics Water Economics