山西省朔县恢河灌区,为解决春灌水源不足的问题,在1963年冬春和1964年冬春两次试用了“河道养冰蓄水”的办法,收到很好的效果。作法是:在水库上游(在拦河坝上游和在冬季过水的河道上,也可用这种办法——编者注)底坡较大的河段上,当冬季水面结成冰盖 Shuhe Irrigation District, Shuoxian County, Shanxi Province, in order to solve the problem of insufficient water supply in spring irrigation, the method of “river water storage and storage” was tried twice in winter and spring in 1963 and winter and spring in 1964, and received very good results. The approach is: In the upper reaches of the reservoir (in the upper reaches of the barrage and in the winter crossing the river, this approach can also be used)