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.
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