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一、秋栽洋葱先招抽受的原因洋葱属于绿体（幼苗）春化的植物，冬前的幼苗必须具备一定的营养积累，即幼苗长到一定大小（幼苗直径在O．6厘米以上，有5片真叶），才能感受低温刺激，通过春化阶段，开春后便会抽更开花。而幼苗越大，通过着化阶段所需时间越短，这就会出现不正常
First, the reason why autumn planted onion first move Evidence belongs to the green onion (seedling) vernalization of plants, pre-winter seedlings must have a certain amount of nutrients that seedlings grow to a certain size (seedlings in diameter O. 6 cm or more, There are 5 real leaves), to feel the cold stimulus, through the vernalization stage, it will pump more flowers after the spring. However, the larger the seedlings, the shorter the time required to pass the collation phase, which may appear abnormal