The Conservation Reserve Program (CRP) was originally created in the 1985 Food Security Act to "assist owners and operators of highly erodible cropland in conserving and improving the soil and water resources of their farms or ranches."
Kruse, John R.
"The Conservation Reserve Program,"
Iowa Ag Review: Vol. 1
, Article 7.
Available at: http://lib.dr.iastate.edu/iowaagreview/vol1/iss1/7