Organic acids can improve soil phosphorus availability by affecting the inorganic phosphorus fraction and mobilizing soil sparingly soluble phosphate.

有机酸通过影响土壤中无机磷组分，促进难溶性磷酸盐溶解，从而提高土壤磷的有效性。

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Soil microbial biomass phosphorus, the relatively active fraction of soil organic phosphorus, was often considered as a labile pool of soil available phosphorus because of its short turnover time.

土壤微生物量中的磷是土壤有机磷最为活跃的部分，由于其周转快、极易矿化为植物有效磷而成为土壤有效磷的活性库。

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When the soil is deficient in some particular element and where there are no others to substitute, the plants will grow to maturity bearing only a fraction of that mineral.

当土壤缺乏某种特殊元素同时找不到替代物时，这些植物将生长成熟但是只有多少分之一的这种元素。

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