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Agricultural conservation program / US Department of Agriculture, Agricultural Stabilization and Conservation Service : fiscal year ...
(1970)
Situation and outlook report / Agricultural resources / Cropland, water and conservation
(1986)
Environmental conservation
Dasmann, Raymond Fredric, (1984)
Probabilistic cost effectiveness in agricultural nonpoint pollution control
MacSweeny, William T., (1990)
Toward an appropriate measure of uncertainty in a risk programming model
MacSweeny, William T., (1987)
Soil conservation with uncertain revenues and input supplies
Kramer, Randall A., (1983)