Phosphorus Transport through Subsurface Drainage and Surface Runoff from a Flat Watershed in East Central Illinois, USA Date Issued 2007 Author Algoazany, A. S. Kalita, P. K. Czapar, George F. Mitchell, J. K. Main Topic Water Quality & Pollutants Water Conveyance & Hydraulics Water Economics
Rye cover crop and gamagrass strip effects on NO3 concentration and load in tile drainage Image Date Issued 2007 Author Kaspar, Thomas C. Jaynes, Dan B. Parkin, Timothy B. Moorman, Thomas B. Main Topic Water Economics
Influence of Alternative and Conventional Farming Practices on Subsurface Drainage and Water Quality Image Date Issued 2007 Author Oquist, K. A. Strock, Jeffrey S. Mulla, David J. Main Topic Water Conveyance & Hydraulics Water Economics