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赤峰县建昌营灌区有效灌溉面积22,000亩,有建昌营等三个公社受益。这个灌区从1968冬开始进行冬灌,为这个地区粮食连年增产打下了基础。群众总结冬灌的好处是:第一,有利于争取时间充分利用水源;第二,冬灌后土壤经过一冬春冻融,结构疏松,有利于保墒和抓全苗;第三,有利于防止地下害虫为害。建昌营灌区进行冬灌有六条经验:
There are 22,000 mu of irrigated area in Jianchangying Irrigation District in Chifeng County and three communes, including Jianchang Camp. The irrigation district started winter irrigation in the winter of 1968, laying the foundation for the successive grain yield increase in this area. The public summed up the benefits of winter irrigation are: first, is conducive to the time to make full use of water sources; second, the winter after winter irrigation soil freezing and thawing, loose structure, is conducive to preserving soil moisture and grasp the whole seedlings; third, to prevent underground pests Harmful. Jianchang Ying irrigation area for irrigation have six experience: