耕层土壤全磷和有效磷含量水平较高。
The total and effect content of soil phosphorus in infield layer are higher.
研究了用电位滴定法快速测定新鲜过磷酸钙磷肥中有效磷含量的方法。
In this paper, quick determination of the content of the effective phosphorus in the new calcium superphosphate by means of potentiometric titration has been researched.
桉树植株的磷营养受土壤有效磷含量和土壤营养体系中多种元素相互作用的影响。
The phosphorus nutrition of plants of eucalyptus is affected by the content of available phosphorus in soil and by the interaction of various elements of soil nutritious system.
分析了土壤有效磷含量的现状及其变化原因，提出了施肥对策，以期指导农业生产。
The situation of soil available phosphorus and its change are analyzed and countermeasures are put forward so as to guide the agricultural production.
解磷微生物溶磷效果研究表明P17菌株接种不同来源磷矿粉为唯一磷源的发酵液中均使发酵液有效磷含量增加。
P-solubilizing effects study results showed that strain P17 could facilitate solution of phosphate rock powder from different sources.
粒状重过磷酸钙(GTSP)是一种高浓度、水溶性的速效磷肥，其有效磷含量是普钙(ssp)的2.5 ~ 3.0倍。
Heavy granular superphosphate (GTSP) is a high concentration of water-soluble phosphate available, the available phosphorus content is SSP (SSP) of 2.5 ~ 3.0 times.
有效磷的含量在各土地利用类型上都处在缺量范围。
The content of effective phosphor is of lack in all land use types.
能改善土壤性状，增加土壤有效磷的含量。
It was also effective to improve the soil condition and increase its usable phosphor content.
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.
结果表明：各土壤因素中以有效铁含量对黄瓜产量的贡献率最大，为0.7861；速效磷含量的贡献率次之，为-0.2865。
The results showed that the rate of contribution of available Fe to yield of cucumber was the biggest of factors(0.7861), the following is available P(-0.2865).
对毛竹土壤有机碳密度影响最大的为有机碳含量，对土壤有机碳密度的影响次之的为土壤全氮量，土壤有效磷量对其影响程度也较大。
The biggest influence to soil organic carbon density was organic carbon content, the next was total nitrogen, and content of soil available phosphorus was also influenced soil organic carbon density.
有效磷、钾、硅含量的提高还可增加直链淀粉含量。
As available P, K, Si increased, the amylose content of rice increased, too.
硫酸铜和UPS的加入不仅能够提高镀层的光亮性和镀液稳定性，而且能够有效的降低镀层的磷含量。
The addition of bluestone or UPS not only can increase the brightness of the layer or the stability of the solution, but also can decrease P content of the layer availably.
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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