雁北地区种植春小麦有悠久历史,解放初期播种面积约28万亩,平均亩产仅48斤。据1949—1981年33年统计,亩产不足60斤的有24年,60斤以上的有9年。1982年推广晋春6号良种和相应的高产栽培技术,全区22.3万亩春麦,平均亩产达到188斤。1983年23.5万亩,亩产273斤。1984年种植面积扩大到33万余亩,每亩估产突破400斤的约24.3万亩,占总面积的73.6%。由此看来, Yanbei area has a long history of planting spring wheat, sown early liberation of about 280000 acres, the average yield of only 48 pounds. According to the statistics of 33 years from 1949 to 1981, there were 24 years of less than 60 kilograms per mu and 9 years of more than 60 kilos. In 1982 to promote Jinchun No. 6 seed and corresponding high-yielding cultivation techniques, the region 223,000 mu of spring wheat, the average yield reached 188 pounds. 23.5 million mu in 1983, 273 kg per mu. In 1984, the area under cultivation expanded to more than 330,000 mu, with an estimated yield of more than 243,000 mu (400 kg) per mu, accounting for 73.6% of the total area. In view of this,