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韭菜冬季生产,经济效益较高。生产技术上应注意把好两关:扣棚时间关。首先是必须待韭菜回根(地上叶子自然枯死)后才能扣棚,扣棚过早易烂叶子;其次是看市场什么时间需票量大,据此时间提前55～60天扣棚为宜。扣棚后管理关。首先是棚温问题:前期要掌握高一些,以25～26℃
Leek winter production, higher economic benefits. Production technology should pay attention to the good two: buckle shed time off. The first is to be back to the roots of leek (the ground leaves dead naturally) before buckle canopy, buckets shed easily premature rotten leaves; followed by the market to see what time to take the vote, according to the time 55 to 60 days earlier deduction shed suitable. After deduction shed management clearance. The first is the shed temperature problem: to grasp the higher early to 25 ~ 26 ℃