春甘蓝菜容易早期抽薹，这对产量影响较大。为预防春甘蓝菜早期抽薹，应积极抓好以下3项管理措施。1·适时播种着甘蓝某种子发芽适温为15～20C，宜在“寒露”后“霜降”前播种。如播种过早，苗汾过长，菜苗过大，遇到低温通过春化阶段，就会提早抽量。种子播后通晴天要坚持早、 Early spring cabbage bolting, which have a greater impact on the yield. To prevent early bolting of pod, you should take the following three management measures. 1. Sowing a seed of cabbage in a timely manner The optimum temperature for germination is 15 ~ 20C, it is advisable to sow before “frost drop” after “cold dew”. Such as sowing too early, too long Miao Fen, vegetable seedlings too large, encountered low temperature through the vernalization stage, it will extract earlier. After sowing seed sunny days to insist on early,