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1水肥管理3月上旬浇返青水。返青后植株抽薹,此时必须做好以下几项工作。①待葱总花苞似开未开时摘除,以促进儿芽发育和生长,摘除过早则儿芽无力顶出影响生长;摘除过晚则开花消耗营养太多,影响产量。②有些植株一抽薹就伴随着儿芽顶出,此时不管花苞似开
1 fertilizer and fertilizer poured back to Qing Shui in early March. Green plants bolting, this time must do the following work. ① until the total flower buds like onions when not open when removed, in order to promote the development and growth of buds, removal of early buds will be unable to affect the growth of buds; removed too late flowering consume too much nutrition, affecting the yield. ② Some plants bolting along with buds out of the top, at this time regardless of bud like open