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土壤交换性铝(Ex-Al)是酸性土壤的常见的交换性阳离子,是土壤各种形态铝转化的重要环节.它对土壤酸度具有重要作用,对酸度的贡献与其形态密切相关.另外,酸性沉降物所导致的土壤和水体中的过量铝对植物和鱼类等生物的危害也与Ex-Al的形态有关.所
Ex-Al is a common exchangeable cation in acidic soil and is an important part of the transformation of various forms of aluminum in soils. It has an important role in soil acidity, and its contribution to acidity is closely related to its form. In addition, Excess aluminum in soils and bodies caused by sediments also contributes to the morphology of Ex-Al