磷有效性
p availability
Availability of phosphorus
phosphorus avaliablity
phosphorus availability
phosphorus validity
生物有效磷
Biological available phosphorus
bioavailable phosphorus
土壤磷有效性
soil phosphorous availability
土壤有效磷
Soil available P
olsen-p
Phosphorus
Available P in soil
soil available phosphorus
Available phosphorous
Available Phosphorus of Soil
soil Olsen-P
soil available phosphorous
土壤有效磷含量
Available P in soil
Available phosphorus content of soil
有效磷测定
Determination of available-P
有效磷的预测
prediction on available phosphorus
有效磷酐
Available phosphoric aicd
a .p .a
有效磷浓度
available phosphate concentration
有效磷酸
available phosphoric acid
有效磷退化
available phosphorus degradation
磷肥有效性
the availability of P fertilizer
inorganic phosphorus forms
磷素利用有效性
phosphorus use efficiency
磷素吸收有效性
phosphorus uptake efficiency