Analyses of Affecting Factors of Soil Erosion and Its Harms in China

The factors such as rainfall, landform, vegetation, soil and human activities, etc., which affect soil erosion in China were systemically analyzed. The severe harms such as destroying of land resources,reduction of food supplies, happening of disasters, loss of soil fertilities, pollution of water environment, depositing of lakes and threatening of city safety, etc., which are caused by soil erosion here, were further studied in order for related departments to utilize in making decisions on soil and water conservation and environmental cure in this paper.