Soil erosion in Loess Plateau is very serious.In recent years,implementation of the policy of returning farmland to forest has a fundamental impact on soil erosion.In order to learn the situation of soil erosion in this area,taking the Majiagou gully which lies in the north part of Shaanxi province,the typical hilly and gully loess region as the example,based on land use filed survey and data in 2008,using Standards for classification and gradtion of soil erosion(SL190-96)from Ministry of Water Resources,th...
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