Phosphorus fractions could enter water body from surface runoff and leachate due to excessive irrigation of centralized farm wastewater.
养殖场污水田间处理会引起土壤表面径流和渗出液中的磷组分流失。
Incubation and pot experiments were carried out to study the effects of organic manures on soil organic phosphorus fractions and their bio-availability.
通过培养与盆栽试验，研究了有机肥料对土壤有机磷组分及其生物有效性的影响。
The influence of several fertilizer structures on phosphorus supplying power and organic phosphorus fractions of the paddy soil in the southeastern area of Hubei province was studied.
本文研究了几种肥料结构对鄂东南水稻土磷素供应能力和有机磷组分的影响。
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