作者: G.D. Schaible , D. Colacicco , M.O. Ribaudo , S. Piper , L.L. Langner
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摘要: The Conservation Reserve Program (CRP) may generate $6-14 billion (present value) in benefits to natural resources if 45 million acres of highly erodible or environmentally sensitive cropland are removed from agricultural production by 1990. Protecting the soil retiring and planting permanent grasses trees on such land for 10 years will improve productivity, water quality, air wildlife habitat, groundwater supply. But magnitude distribution can be altered changing emphasis program. report estimates how under three scenarios CRP enrollment.