有机土壤必须存放于选定位置的场地，以用于场区稳定、边坡防护、或其他要求的活动。
The organic soil must be stored outside the yard in the selected sites, to be used in the stabilization of area, slope protection, or other required activities.
护网应该是由有声誉的供应商提供并且应该有类似边坡和土壤材料侵蚀防护的证明记录。
The mesh shall be provided by a reputable supplier and shall have a proven record from erosion protection of similar slopes and soil materials.
本文研究了不同作物留茬和建设农田防护林对遏制农田土壤风蚀的效应。
The effects of the stubble of different crops and farmland windbreak on controlling farmland soil erosion are studied.
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