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Resource adequacy in limiting suspended sediment discharges from agriculture

Resource adequacy in limiting suspended sediment discharges from agriculture

Journal of soil and water conservation: dec 32(6) 289-293

We used the Iowa State University national programming model to evaluate the economic impacts of controlling nonpoint pollution from agriculture and to assess whether environmental improvement goals could be met in conjunction with high agricultural exports. alternatives analyzed included a base solution, high exports, land and water conservation, and environmental enhancement. high exports could be attained simultaneously under the land and water conservation alternative. exports must be reduced, however, under the environmental enhancement alternative. to meet exports under the land and water conservation alternative, 10 million acres of wetlands would need to be converted to cropland. returns to land would increase considerably under all alternatives other than the base solution. there would be wide variations among regions, however. in general, a relative redistribution of income from irrigated to dryland and from erosive to nonerosive farming regions would occur.

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