为防止严重的土壤干层发生，选择生长较缓慢、消耗水分少的树种是必要的，并应减小造林树种植株密度。
In order to avoid the occurrence of dried soil layer, it is necessary to select the tree species with slow growth and low water consumption, and the afforesting density should be reduced.
为防止严重的土壤干层发生，选择生长较缓慢、消耗水分少的树种是必要的，并应减小造林树种植株密度。
In order to avoid the occurrence of dried soil layer, it is necessary to select the tree species with slow growth and low water consumption, and the afforesting density should be reduced.
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