引言甘兰为主要蔬菜之一,一方面其产量高,抗逆性强,比大白菜稳产,耐贮藏和运输;另一方面早甘兰正值夏初缺菜季节收获,中晚熟甘兰通过贮藏,可以解决冬春蔬菜缺乏期间的供应,因而甘兰对解决蔬菜周年供应起很大作用。由于具有以上的特点,所以近几年来甘兰的栽培面积逐年扩大。 Introduction Kalan as one of the main vegetables, on the one hand its high yield, strong resistance, stable yield than cabbage, storage and transportation; On the other hand, early summer sweet potatoes early harvest season, Storage, winter vegetables can be resolved during the lack of supply of vegetables, so cabbage on the annual supply of vegetables play a significant role. Due to the above characteristics, the cultivated area of ​​kale in recent years has been expanding year by year.