有效〔性〕磷

available phosphorate的用法和样例：

例句

The result from traditional statistics shows that the variability available phosphor of meadow albic bleached soil is between moderate and strong degree.经典统计学分析结果表明草甸白浆土有效磷具有中等至较强程度的变异。
The available nitrogen and phosphorus contents in root rhizosphere were greater than those in bulk soil, while its content of the available potassium was lower.根际碱解氮和有效磷含量高于非根际土壤，其速效钾含量却低于非根际土壤。

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