Phosphorus loss to runoff water twenty-four hours after application of liquid swine manure or fertilizer Image Date Issued 2003 Author Tabbara, Hadi Main Topic Water Economics
Nitrate losses in subsurface drainage from a corn-soybean rotation as affected by time of nitrogen application and use of nitrapyrin Image Date Issued 2003 Author Randall, Gyles W. Vetsch, Jeffrey A. Huffman, J. R. Main Topic Water Economics
