supplemental irrigation meaning in English

补充性灌溉
辅助灌溉

Through the optimization , the optimum parameters for irrigation technique can be obtained for different irrigation . meanwhile , this paper adopts the method of experiments combined with modeling , to propose the optimum parameters and the improvement measures on the irrigation effect and supplementary efficiency for the surface and underground supplemental irrigations
另外，本文通过采用试验研究和模拟分析相结合的方法，分别提出了提高项目区地面补充水分灌溉和地下水补源灌溉的优化灌水参数及提高灌溉效果和补源效率的技术措施。