近年来，人们越来越喜欢种植早熟春甘蓝。许多菜农通过种植早熟春甘蓝而获得好的经济效益。也有部分菜农主观上为了争取春甘蓝早熟，但违反了客观规律，在播种期上越来越早，再加上栽培管理又不当，使早熟春甘蓝发生“先期抽薹”。甘蓝属植株春化作物，当幼苗长到７片左右真叶 In recent years, people increasingly like to grow early spring cabbage. Many farmers get good economic benefits by growing early spring cabbage. There are also some vegetable farmers subjectively for the sake of early spring cabbage, but in violation of the objective laws, more and more early in the sowing time, coupled with improper cultivation and management, so that early spring cabbage occurred “pre-bolting.” Cabbage plants vernalized crops, when the seedlings grow to about 7 true leaves