土壤缓冲能力是指当可溶性盐类或肥料过多时,土壤中的无机物及有机物便会吸收一部分,不致于因太多盐类而伤害植物,一但盐类不足时,土壤又能缓慢地释放出所吸附的盐类,为植物生长提供所需的营养,使植物吸收利用。
酸性土壤对钒的缓冲能力强,缓冲容量大,不容易产生钒污染。
The acid soil has stronger buffer power nad larger buffer capacity, so it could not be easily polluted by vanadium.
土壤有效磷数量和强度及其缓冲系数是评价土壤磷素供应能力的重要指标。
The quantity of soil available phosphorus and intensity and its buffer coefficient are the important indexes to evaluate supply capacity of soil phosphorus.
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