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白沙灌区是20世纪50年代建成,20世纪60-70年代扩建的大型灌区,设计灌溉面积2.02万hm2,有效灌溉面积1.36万hm2,由于工程老化严重,近几年仅能灌溉干渠沿线的部分农田,实灌面积在0.47万hm2左右。白沙灌区灌溉面积衰减的原因,主要是投资力度不够,干、
Baisha Irrigation Area is a large-scale irrigation area built in the 1950s and expanded in the 1960s-1970s. The designed irrigation area is 20,200 hm2 and the effective irrigation area is 13,600 hm2. Due to serious aging of the project, only a few farmlands along the main canal can be irrigated in recent years , Real irrigation area of about 4700 hm2. The reason for the decay of irrigated area in Baisha Irrigation Area is that investment is not enough,