This paper used the method of grey correlation analysis to assess with rations the social and economic effects caused by soil and water conservation in ten catchments in Loess Plateau, it is showed that soil and water conservation project greatly promote rural society and economy to develop, and that the income per capita is the chief factor which reflects the effect of soil and water conservation on social and economic development, furthermore, the occupancy of foods per capita, the rate of land use, the i...
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