甘兰型油菜具有高产、稳产、抗病、抗倒伏等优点。在我国南方推广以后,比白菜型油菜增产50%左右。1976年在我区试种由于抗寒性差,几乎全部被冻死。经过连续4年试验,采取一系列的措施,特别是经住了去冬今春三十年来最大的一次低温考验基本上摸到了安全越冬的路子,从而连续几年获得亩产305斤、339斤、375斤的高产。小面积亩产达到465斤的收成。在同样条件下比 Brassica napus with high yield, stable yield, disease resistance, lodging and so on. After the promotion in southern China, than the cabbage-type rape about 50% increase. In 1976, due to poor cold resistance in our district, almost all were frozen to death. After a series of tests for 4 consecutive years, a series of measures have been adopted. In particular, the largest low temperature test in the past 30 years of last winter and spring has basically touched the safe passage of winter and won 305 kg and 339 kg of mu per year in succession for several years. 375 pounds of high yield. A small area of ​​465 pounds per mu yield. Under the same conditions than