The soil straw cover of farmland is a main method to prevent the soil and water erosion, it is very important to research the relation between the straw cover and the wind erosion.
农田地表秸秆覆盖是防止水土流失的一项主要措施，研究秸秆覆盖度与土壤风蚀、水蚀的定量关系对农田采取合理的覆盖形式有重要的指导意义。
It is shown that the main types of soil erosion are water erosion, wind erosion and frozen erosion in China.
研究结果表明：我国的土壤侵蚀以水力侵蚀为主，其次为风力侵蚀和冻融侵蚀。
The water-wind erosion crisscross on the Loess Plateau is a special region with severe soil erosion and brittle ecosystem and being the main sediment source of the Yellow river.
水蚀风蚀交错带是黄土高原水土流失最为严重的地区之一，该地区生态环境十分脆弱，成为黄河中下游河道泥沙输入的主要来源。
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