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
Nitrate loss in subsurface drainage as affected by nitrogen fertilizer rate Image Date Issued 2001 Author Jaynes, Dan B. Colvin, T. S. Karlen, D. L. Cambardella, Cynthia A. Meek, D. W. Main Topic Water Economics
Planning an Agricultural Subsurface Drainage System Image Date Issued 2001 Author Wright, Jerry Sands, Gary Main Topic Agricultural Drainage
