ENVIRO-ECONOMIC ANALYSIS OF PHOSPHORUS NONPOINT POLLUTION Image Date Issued 2001 Author Westra, John V Olson, Kent Main Topic Water Monitoring & Assessment Water Economics
Nitrate losses through subsurface tile drainage in conservation reserve program, alfalfa, and row crop systems Image Date Issued 1997 Author Randall, Gyles W. Huggins, David R. Russelle, Michael P. Fuchs, Dennis J. Nelson, W. W. Anderson, James L. Main Topic Water Economics
Tillage and Nutrient Source Effects on Water Quality and Corn Grain Yield from a Flat Landscape Image Date Issued 2005 Author Thoma, D. P. Gupta, Satish C. Strock, Jeffrey S. Moncrief, John F. Main Topic Water Conveyance & Hydraulics Water Economics
Nitrate and water present in and flowing from root-zone soil Date Issued 1996 Author Weed, D.A. J. Kanwar, R. S. Main Topic Water Economics
The effects of subsurface drainage depth and intensity on nitrate loads in the northern Cornbelt Image Date Issued 2008 Author Sands, Gary R. Song, I Busman, Lowell M. Hansen, Brad J Main Topic Water Economics
Effects of a livestock manure windrow composting site with a fly ash pad surface and vegetative filter strip buffers on sediment, nitrate, and phosphorus losses with runoff Image Date Issued 2009 Author Webber, D. F. Mickelson, Steven K. Richard, T. L. Ahn, H. K. Main Topic Water Economics
Corn and soybean production as affected by tillage systems Date Issued 2007 Author Vetsch, Jeffrey A. Randall, Gyles W. Lamb, John Main Topic Water Economics
Effect of tillage systems on runoff losses of nutrients, a rainfall simulation study Date Issued 1978 Author Barisas, S. G. Baker, James L. Johnson, H. P. Laflen, John M. Main Topic Water Economics
Subsurface drain losses of water and nitrate following conversion of perennials to row crops Image Date Issued 2001 Author Huggins, David R. Randall, Gyles W. Russelle, Michael P. Main Topic Water Economics
Comparing carbon substrates for denitrification of subsurface drainage water Image Date Issued 2006 Author Greenan, Colin M. Moorman, Thomas B. Kaspar, Thomas C. Parkin, Timothy B. Jaynes, Dan B. Main Topic Water Economics
