Irrigation with saltish and fresh alternatively can decrease soilsaltcontent and increase cotton yield.
采用咸淡水交替灌溉可以降低土壤含盐量，增加棉花产量。
2
The increase in initial soilsaltcontent would decrease the desalinization coefficient.
土壤初始含盐量的增加使得达标脱盐系数减小。
3
In compared with irrigation with saltish water all, irrigation with saltish and fresh alternatively can decrease soilsaltcontent and increase cotton yield.