Sustainable Agriculture and Clean Water Act of 1990

[AI summary unavailable — showing source text] Sustainable Agriculture and Clean Water Act of 1990 - Title I: Agricultural Programs and Practices - Directs the Secretary of Agriculture to: (1) establish an integrated crop management program; and (2) develop related technical guides. Amends the Food Security Act of 1985 to include in the conservation reserve program (CRP) non-highly erodible wetlands, converted wetlands, or surrounding uplands. Extends the CRP through 1995. Directs the Secretary to: (1) conduct a study regarding the advisability and effect of extending and expanding the CRP; (2) establish a soil testing program in areas with surface or groundwater problems; and (3) establish in the Extension Service a nutrient management education program. Directs the Agricultural Research Service and Cooperative State Research Service to increase agricultural and water quality research, including integrated crop management system research. Title II: Clean Water Act Programs - Amends the Federal Water Pollution Control Act to authorize FY 1992 through 1995 appropriations for management of nonpoint source (including groundwater quality protection) pollution of navigable waters. Authorizes FY 1992 through 1995 appropriations for c…