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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The relative performance of different genotypes are similar on the two tropical soils, implying that there was no obvious soil specificity for beans in response to low phosphorus availability.

不同基因型在两种热带土壤上的相时表现一致，说明菜豆对低有效磷的适应不存在着土壤特异性。

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Plant growth should be expected to be limited by nitrogen (n) and phosphorus (p) availability in most terrestrial ecosystems.

陆地生态系统植物的生长受到营养元素氮(N)和磷(P)的可利用性的限制。

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