soil surface crust

基本解释

Salt crust is a unique layer that forms on the soil surface under drip irrigation with saline water in the shelterbelts along the Trim Desert Highway.
盐结皮是咸水滴灌条件下塔里木沙漠公路防护林土壤表层形成的一种特殊层结。
The change of granularity of the soil and the crust type of the ground surface do not necessarily help reduce the intensity of surface erosion on those lands.
坡面土壤粒度的粗化和随机粗糙度的变化不一定会降低坡面上的面蚀强度。
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The experiment indicates that wind itself is of weak effect on ground surface erosion, so that the soil crust may not be destroyed even under great wind velocity.
实验表明：净风对土表的风蚀作用微弱，即使在遭到大风吹刮时，土表的结壳仍不易受到破坏。