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
Validating N Rates for Corn on Farm Fields in Southern Minnesota Image Date Issued 2003 Author Randall, Gyles W. Schmitt, Michael Strock, Jeffrey S. Lamb, John Main Topic Urban & Industrial Stormwater Water Restoration & Protection
