calculating per mu yield

例句：

1. 1. To calculate the yield per mu, we need to know the area of the field and the amountof fertilizer used.
   为了计算每亩产量，我们需要知道田地的面积和使用了多少肥料。
2. 2. The farmer carefully measured the soil quality before deciding on the best planting method for his crops.
   这位农民在决定他的作物的最佳种植方法之前，仔细测量了土壤的质量。
3. 3. The government has been promoting sustainable farming practices to increase the yield per mu.
   政府一直在推广可持续的农业实践，以提高每亩产量。