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早熟春甘蓝“未熟抽苔”发生原因及防止甘蓝植株属春化作物，在１～１２℃条件下经过５０～６０天就能通过春化阶段发生“未熟抽苔”现象，给生产带来损失。发生原因：选用的冬性品种；幼苗叶片在７个以上，最大叶宽５厘米以上，茎粗０．６厘米以上的大苗，经过了一段时间...
Premature spring cabbage “immature bolting” causes and prevention of cabbage plants are vernalized crops, at 1 ~ 12 ℃ under the conditions of 50 to 60 days through the vernalization stage “immature bolting” phenomenon, to produce loss . Occurrence reasons: the selection of winter varieties; seedling leaves in more than 7, the largest leaf width of more than 5 cm, stem diameter of 0.6 cm or more seedlings, after a period of time ...