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。
Soil incubation was carried out to study the effects of soil organic phosphorus fractions and quantity in different periods after application of outside source of phytase.
研究了长期施肥对土壤全磷、有效磷年份变化和剖面磷组分、土壤对磷吸附解吸性能、土壤需磷指数等方面的影响。
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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