The effects of subsurface drainage depth and intensity of nitrate loads in the northern cornbelt. Image Date Issued 2008-01-01 Author Sands, Gary R. Song, I Busman, Lowell M. Hansen, Brad Main Topic Agricultural Drainage Nutrient Management Water Conveyance & Hydraulics
Nitrate losses through subsurface tile drainage in conservation reserve program, alfalfa, and row crop systems Image Date Issued 1997-01-09 Author Randall, Gyles W. Huggins, David R. Russelle, Michael P. Fuchs, Dennis J. "Nelson, Wally "Anderson, James Main Topic Agricultural Drainage Nutrient Management Water Conveyance & Hydraulics
