北方冬麦区包括长江以北的黄淮平原、华北平原、黄土高原、河西走廊和新疆等广大地区,这一地区小麦播种面积约占全国总面积59%,是我国夏粮主要产区。本区除沿海一带外,均属大陆性气候,冬季冷空气活动频繁,大部分地区一月份平均气温为-3°一-7℃,黄河以北不仅温度低,而且气候干旱,冬麦越冬期11—3月的降水量为10—20毫米(北疆和胶 The northern winter wheat area includes the Huanghuai Plain, the North China Plain, the Loess Plateau, the Hexi Corridor and Xinjiang in the north of the Yangtze River. The sown area of ​​wheat in this area accounts for about 59% of the total area of ​​the country and is the main producing area for summer grain in China. In addition to the coastal area of ​​this area are continental climate, frequent cold air in winter, the average temperature in most parts of January -3 ° -7 ℃, north of the Yellow River is not only low temperature, and the climate is arid winter winter wheat winter The precipitation in November-March is 10-20 millimeters (northern Xinjiang and rubber