菜豆根形态特性对低磷有效性的适应性反应具有显著的基因型差异。
However, genotypic variation in root morphological characteristics of common bean Phaseolus vulgaris l.
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.
应用化学分析、吸附试验和生物诊断方法，系统研究了风沙土磷的有效性和利用率。
The validity and availability of phosphorus in sandy soil was systematically studied using chemical analysis, bio - adsorption test and biological diagnoses.
有机酸通过影响土壤中无机磷组分，促进难溶性磷酸盐溶解，从而提高土壤磷的有效性。
Organic acids can improve soil phosphorus availability by affecting the inorganic phosphorus fraction and mobilizing soil sparingly soluble phosphate.
有机质不仅直接丰富了高产农田的磷库，而且通过提高磷酸化酶的活性，降低土壤磷的吸附、固定，促进解吸，增加了土壤磷的有效性。
This is because that organic matter enriched not only phosphorous in the high yield soil, but also increased soil phosphorous availability through decreasing absorption and fixation.
磷是构成生命的重要元素之一，也是土壤中有效性最低的一种营养元素。
Meanwhile, it is also one of the least available nutrients in the soil.
土壤中磷的形态及其有效性；
目的评价环磷酰胺、秋水仙碱联合应用治疗急性脑梗死的有效性、安全性。
Objective To evaluate the validity and safety of combination of cyclophosphamide and colchicine in treatment of patients with acute cerebral infarction.
改良剂能够抑制土壤中重金属的生物有效性，其中石灰的抑制作用最强，同时石灰还有固定红壤磷素的作用。
Modifier can inhibit the bioavailability of heavy metals in soil, in which the strongest inhibitory effect of lime, and lime have a fixed role of red phosphorus.
AM真菌对作物的有益作用受生态条件影响很大，其中土壤磷的有效性是重要的影响因子之一。
The useful role of AM fungi to crops has been influenced by ecological conditions, such as the phosphor is an important factor.
结合国内外已有的研究成果，从土壤有机磷的含量、形态及影响有机磷生物有效性的因素等几个方面，对土壤有机磷的研究现状进行了综述。
Based on achievements of soil organic phosphorus field at home and abroad, some factors are discussed, including the content of soil organic phosphorus, forms, and bioavailability to cro...
结合国内外已有的研究成果，从土壤有机磷的含量、形态及影响有机磷生物有效性的因素等几个方面，对土壤有机磷的研究现状进行了综述。
Based on achievements of soil organic phosphorus field at home and abroad, some factors are discussed, including the content of soil organic phosphorus, forms, and bioavailability to cro...
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