Soil should also be tested for its pH level, a measure of the acid and alkaline balance.

土壤的PH 值也应该测量一下， PH水平是反映酸碱平衡的量度。

youdao

Soil should also be tested for its pH level, a measure of the acid and alkaline balance.

土壤的PH 值也应该测量一下， PH水平是反映酸碱平衡的量度。

youdao