Resource and environmental effects of U.S. agriculture
by Pierre R. Crosson · 1982

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AgricultureEconomic aspectsEconomic aspects of AgricultureEnvironmental aspectsEnvironmental aspects of AgricultureSoil conservationAgricultural ecologyAgriculture, economic aspects, united statesAgriculture, environmental aspectsAgriculture, united statesAspect économiqueAspect de l'environnement