在同一生态区，土壤磷酸酶活性随肥力水平的升高而增大；

Soil enzyme activity increases with soil fertility among the same ecological zone.

youdao

在同一生态区，土壤磷酸酶活性随肥力水平的升高而增大；

Soil enzyme activity increases with soil fertility among the same ecological zone.

youdao