Once the soil has been removed by erosion, only the passage of centuries or millennia will enable new soil to form.
一旦土壤被侵蚀，新的土壤只有经过几个世纪或几千年才能形成。
This "no-till" form of agriculture minimises soil erosion, but it then also sets the stage for corn byproducts to enter nearby stream channels.
这种“免耕”的农业形式最大限度地减少土壤流失，但它随后还是把玉米副产品的后续影响转嫁给了附近的河道。
Triggered by outburst flood, mudflow is a kind of debris flow and also a form of soil erosion, and it is an indicator of the most serious soil erosion process in the Loess Plateau.
黄土泥流是黄土地区一类重要的灾害地貌过程，是泥石流的一个特殊类型，是水土流失的一种特殊形式，也是山地环境恶化、水土流失极严重的标志。
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