解吸模型研究为评价土壤磷素有效性提供了一种新方法。
The studies on desorption model afforded a new method to estimate biological validity of soil p.
高度风化的酸性红壤，受亚热带气候及不合理利用影响，土壤养分含量偏低，尤其是土壤磷素的含量及有效性也很低。
Influenced by the subtropical climate and unreasonable use in deeply weathering red soils, the nutrient content is lower, especially the validity of phosphorus.
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。
Incubation and pot experiments were carried out to study the effects of organic manures on soil organic phosphorus fractions and their bio-availability.
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