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。
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。
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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