摘要：磷元素植物生长必需的矿质元素之一，而土壤中可溶性磷的含量比较低。
Abstract: phosphorus is one of the essential mineral elements to plant growth, however, there is fairly less content of soluble phosphorus in soil.
磷是植物生长必需的矿质元素之一，而土壤中可溶性磷的含量比较低。
Phosphorus is one of the essential mineral elements to plant growth, however, there is fairly less content of soluble phosphorus in soil.
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