Agricultural policy has traditionally been concerned with the maintenance and stability of farm income, and the provision of a stable food supply at low relative prices. The Food Security Act of 1985 was the first farm legislation to directly tie farm income and environmental concerns through the Conservation Reserve Program, conservation compliance, sodbuster, and swampbuster provisions. The coordination of conservation and farm income policies contributed to commodity supply control by reducing the avail- ability of arable land, and it promoted envi- ronmental quality by removing some highly erodible land and wetlands from crop production.