目前,北方地区的甘蓝新品种早、中、晚熟已配套成龙.这些新品种,不论生产的经济效益和消费的社会效益都优于原先的常规品种.生产中由于对新品种的特征特性和选育制种过程缺乏了解,加之经营渠道五花八门,给生产带来一些不应有的损失.其原 At present, the new varieties of cabbage in the northern region have already been matched with the early, middle and late-maturing varieties, and these new varieties are better than the original conventional varieties in terms of economic benefits and social benefits of consumption. Lack of understanding of the process of breeding, coupled with a variety of business channels, to bring some unnecessary losses.