这里的离子指的是钾离子。

In this case, the ion is potassium.

youdao

土壤阳离子交换量(cec)的变化与磷、钾的规律相似。

The variation in CEC was similar to that in available P and K.

youdao

土壤阳离子交换量(cec)的变化与磷、钾的规律相似。

The variation in CEC was similar to that in available P and K.

youdao