soil enzyme activities

例句：

1. 1.Soil enzyme activities are crucial for plant growth and development.
   土壤酶活性对植物生长和发育至关重要。
2. 2. The soil enzyme activities in the field were monitored to assess the health of the crops.
   田间的土壤酶活性被监测，以评估作物的健康状态。
3. 3.The researcher found that higher soil enzyme activities were associated with improved crop yields.
   研究者发现，土壤酶活性越高，作物产量就越高。