本文综述了土壤质量的内涵、土壤质量研究的重要性与重点、土壤质量演变的规律及土壤退化的途径。
This paper reviewed the intension of soil quality, discussed the importance of studying soil quality, and analyzed development laws of soil quality and the ways of soil degradation.
坡耕地作为重要的侵蚀产沙区，揭示其土壤侵蚀规律和泥沙运移方式，对建立土壤侵蚀预报模型、加强土地管理防止土壤退化具有十分重要的意义。
It is important to reveal the law of soil erosion and develop soil erosion forecast model, which has a bearing on preventing the loess of water and soil.
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