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应用水土保持原理和景观生态学理论，以黄土高原准格尔试验区持续１８ａ治理水土流失的研究与实践，分析了水土流失对土地资源和环境的危害，以及水土保持对保护和合理利用土地资源，提高土地生产力，改善和重建土地环境的作用
Based on the theory of soil and water conservation and landscape ecology, the research and practice of soil and water erosion control in Zhunge’er experimental area on the Loess Plateau for 18 years were analyzed. The harm of soil and water loss to land resources and environment was analyzed, and the impacts of soil and water conservation on the conservation and rational use of land resources , Improve land productivity, improve and rebuild the role of the land environment