Professor, Department of Soil, Water, and Climate

1991 Upper Buford Circle, University of Minnesota, St. Paul, MN, 55108

Tel: 612-625-1241, Fax: 612-625-2208, Email: sgupta@soils.umn.edu

Tillage and Timing of Manure Application Impacts on Nitrate Leaching
   in Karst Terrains of the Upper Midwest

Influence of Residue Management Tillage Systems with Solid Beef
   Manure Application on Snow Melt and Annual Runoff, Sediment and
   Phosphorus Losses