The fixed function that calcareous soil to phosphorus in the northern part of China, is the main reason that utilization ratio is low.

我国北方石灰性土壤对磷的固定作用是磷肥利用率低的主要原因。

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Modifier can inhibit the bioavailability of heavy metals in soil, in which the strongest inhibitory effect of lime, and lime have a fixed role of red phosphorus.

改良剂能够抑制土壤中重金属的生物有效性，其中石灰的抑制作用最强，同时石灰还有固定红壤磷素的作用。

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