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1品种的选择目前在我省普遍应用的品种有卡木伊、空知黄、盘石、顶极等味甜、质脆、适宜生食的长日照品种。2育苗圆葱苗龄为50～60d。本田需苗床面积450m2/hm2左右,用种量为3.0～4.5kg/hm2。采用温室育苗,2月20～25日播种;采用大棚育苗,在3月初播种。棚室内扣小拱棚,畦上覆盖地膜,有条件的还应在棚室外覆盖棉被或苇帘,以确保育苗棚内温度。
A variety of choices At present, the varieties commonly used in our province are Kamei Iraq, empty know yellow, rock, top and other sweet, crisp, suitable for raw long-day varieties of raw food. 2 nursery onion age 50 ~ 60d. Honda need seedbed area of about 450m2 / hm2, with the amount of 3.0 ~ 4.5kg / hm2. Greenhouse nursery, February 20 ~ 25 sowing; nursery nursery sheds, sowing in early March. Shed interior small shed, 畦 on the cover film, the conditions should also be covered in the shed outdoor quilt or reed curtain to ensure nursery studio temperature.