irrigation level

例句：

1. 1.The irrigation level of the farmland has been reduced due to overuse of water.
   由于过度使用水资源，农田的灌溉水平已经降低。
2. 2. The irrigation system needs to be optimized to improve the crop yield.
   需要优化灌溉系统以提高作物产量。
3. 3.The irrigation level is crucial for maintaining soil health and preventing waterlogging.
   灌溉水平对于保持土壤健康和防止水浸至关重要。