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| phytomelioration type of sand desert (指植物固沙时所划分的立地条件类型。划分类型所涉及的因素主要是沙层厚度、表层含盐量、地下水深度、沙层含水量、干沙层厚度、地形、风速、沙丘移动类型、植物覆盖度、自然生草过程、沙丘的起源以及人为活动等) | |||
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