net irrigation quota

例句：

1. 1.The government has set a net irrigation quota for the region.
   政府为该地区设定了网络灌溉配额。
2. 2.The farmers have to adhere to the net irrigation quota set by the government.
   农民必须遵守政府设定的网络灌溉配额。
3. 3. The water shortage in the region is due to the excessive use of irrigation water, which exceeds the net irrigation quota.
   该地区的水资源短缺是由于过度使用灌溉水，这超过了网络灌溉配额。