Abstract
The land improvement project will level the unused land through mechanical construction, which is conducive to eliminating the terrain slope and reducing the surface runoff. At the same time, agricultural measures such as field management and protective cultivation can effectively conserve water and soil, especially in favor of increasing the content of soil nutrients and organic matter. In addition, it is an important means to ensure food security in China to improve the degree of erosion resistance of cultivated land through corresponding water and soil conservation measures.
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