It is Shown by investigation data that flooded irrigation in the loess plateau area is a measure of soil conservation with less cost and high economic benefits.
调查资料表明，在黄土高原地区引洪漫灌是一项费用省、经济效益高的水保措施。
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The monthly water balance model for calculating runoff on loess plateau has been used in analyzing the benefits of water reduction by soil and water conservation.
The spatial distribution of micro-topographical features of loess sloping farmland and its effects of soil and water conservation were studied using GIS under simulated rainfall conditions.