supplemental irrigation

• 补充灌溉

supplemental irrigation的用法和样例：

例句

1. Irrigation and applying nitrogen can increase the rate of dry matter and nutrient uptake.
   增施氮肥和补充灌溉可提高干物质累积和养分吸收速率。
2. The terrace channels are convenient for irrigation.
   梯田的沟渠便于灌溉。
3. If not well managed, irrigation can be harmful.
   如果管理不善，灌溉还可能有害处。