The result indicated: (1) Application of inorganic phosphorus fertilizer increased contents of all Pi fractions in soils.
结果表明：(1)施用无机磷肥能够提高土壤无机磷各组分含量。
The result indicated: (1) Application of inorganic phosphorus fertilizer increased contents of all Pi fractions in soils.
结果表明：(1)施用无机磷肥能够提高土壤无机磷各组分含量。
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