在云南省2500～3000米左右的高海拔山区，大春常年种植秋收油料作物25万亩，主要分布在滇东北、滇西北和滇中的11个地州。九十年代以前，基本以种植蓝花子为主，平均单产只有40～50千克，土地利用率不高，群众收益低。自80年代末以来，我省农业科技人员根据高寒山区的气候 In the high altitude mountainous area of ​​about 2500 to 3000 meters in Yunnan Province, Spring is planted with 250,000 mu of autumn harvest oil perennial crops, mainly distributed in 11 prefectures of northeastern Yunnan, northwestern Yunnan and central Yunnan. Before the nineties, the basic planted blueberry, the average yield of only 40 to 50 kg, land utilization is not high, the public low income. Since the late 1980s, agricultural science and technology personnel of our province have been based on the climate of the alpine region