The U.S. Department of Agriculture (USDA) accepted about 33.9 million acres of cropland into the Conservation Reserve Program (CPR) during 1986-89. This acreage was enrolled in nine separate sign ups under authority of the Food Security Act of 1985. CRP enrollment was extended through 1995 with...

Knowledge of the benefits and costs to water users is required for a complete assessment of policies to create incentives for water-quality improving changes in agricultural production. A number of benefit estimation methods are required to handle the varying nature of water quality effects....