秋麦地冬灌的习惯在华北及西北地区是存在着的,有的地区是很普遍的,如冀中平原、冀东及渤海湾诸县、西北的关中平原等;有的地区只有具体的例子但不普遍,如晋中、晋南、晋北、察南、绥远大黑河延岸、河套一带以及新疆等。值得特别提出的是西北关中平原上的泾惠渠及渭惠渠一带,在约一百万亩的面积上冬灌已经成了习惯。但冬灌地在华北及西北的总面积在目前是 The habit of winter wheat irrigation in autumn and winter is found in north and northwest China. Some areas are common, such as the Jizhong Plain, Jidong and Bohai Wan counties, the Guanzhong Plain in the northwest, etc. In some areas, there are only specific examples But not common, such as Jinzhong, Jinnan, Jinbei, Chanan, Sui Yuan Dahehe Yan’an, Hetao area and Xinjiang. What deserves special mention is the Jinghui and Weihui drainage areas in the Guanzhong Plain in the northwest China. It has become customary for winter irrigation to reach about one million mu of land. However, the total area of ​​winter irrigated land in North China and Northwest China is currently around