有效磷 meaning in English

available phosphorus(ap)
olsen-p
p2o5

Determination of available phosphorus in forest soil
森林土壤有效磷的测定
Determination of available phosphorus content for compound fertilizers
复混肥料中有效磷含量测定
Method for the determination of available phosphorus in calcarcous soil
石灰性土壤有效磷测定方法
The amount of available phosphorus in the soil with algae in it changed much
并在培养60后测定实验体系中的有效磷。
Determination of available phosphorus for import and export calcined aluminium phosphate
进出口磷酸铝钙中有效磷的测定

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