一、东部地区冬小麦生产在全国的地位我国东部地区包括长城以南,岷山、大雪山以东,相当于极端最低气温平均-20℃、1月平均气温-8℃以南以东,一般年份冬小麦大面积安全越冬的地区。据统计,该地区冬小麦播种面积占全国84％,总产达683.7亿公斤,占全国总产86％,其中以黄淮海地区比重最大(表1)。 First, the eastern region of the status of winter wheat production in China’s eastern region, including the south of the Great Wall, Minshan, east of the Great Snow Mountain, equivalent to the extreme minimum temperature average - 20 ℃, January average temperature -8 ℃ south of the year, the general year Winter wheat over large areas of winter safety. According to statistics, the sown area of ​​winter wheat in the region accounts for 84% of the national total, with a total output of 68.37 billion kg, accounting for 86% of the total output of the country, with the largest proportion in the Huang-Huai-Hai region (Table 1).