http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Clean water, clean environment, 21st century
team agriculture, working to protect water resources : conference proceedings, March 5-8, 1995, Kansas City, Missouri
American Society of Agricultural Engineers
v. 1. Pesticides -- v. 2. Nutrients -- v. 3. Practices, systems & adoption.
[sponsored by Working Group on Water Quality, U.S. Department of Agriculture ; coordinated by ASAE, The Society for engineering in agricultural, food, and biological systems].