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大白菜产量高,品质好,耐贮藏,营养价值高,而且还有防病、治病的功效。大白菜上市量大,应用时间长,是解决我国北方半年用菜的主要蔬菜作物。大白菜属于常异交作物,极易混杂退化,尤其当前应用的品种,由于应用时间较长,混杂很重。做好种
High yield cabbage, good quality, storage resistance, high nutritional value, but also disease prevention, treatment effect. Chinese cabbage market, the application of a long time, is to solve the problem of vegetables in northern China for six months, the main vegetable crops. Chinese cabbage is often out-of-cross crop, easily mixed degradation, especially the current application of varieties, due to the application of longer, mixed heavy. Make a good job