起到稳定作用的自然植被不断减少，随后土壤受风雨的侵蚀加速，就成为了沙漠化的主要成因。
Desertification is accomplished primarily through the loss of stabilizing natural vegetation and the subsequent accelerated erosion of the soil by wind and water.
通过稳定土壤，减少水蚀和风蚀并维持土壤养分循环，林木覆盖能够防止土地退化和荒漠化。
Forests and tree cover combat land degradation and desertification by stabilizing soils, reducing water and wind erosion and maintaining nutrient cycling in soils.
海泡石的添加能同时降低三种重金属在土壤中的可交换态，在多种重金属并存情况下具有很好的重金属稳定化修复作用。
Adding sepiolite can degrade the three exchangeable heavy metals and stabilize the heavy metal treatment effect especially when soil is contaminated by the multiple heavy metals.
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