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1 品种选择:四季大葱或章丘大葱 2 播种与育苗 2.1 苗床准备:大葱忌连作,宜选用未种过葱蒜类蔬菜或3年以上轮作的土地作苗床。前茬作物收获后,667米~2施4000公斤腐熟圈肥或人畜粪尿,混施50公斤过钙作底肥,深翻耙平后,作成宽1.2米的平畦,并取出畦土过筛堆放,备作覆土。 2.2 适时播种:无论春播或秋播,其播种期的原则是要将假茎生长旺盛期安排在冷凉季节,日平均温度为13～20℃,促使假茎长大,避免假茎未充分长成前植株已通过春化阶段而发生先期抽苔。尤其秋播不能太早或太迟,本地播种期宜在9月下旬至10月
A variety of choices: Four seasons green onions or Zhangqiu green onions 2 sowing and nursery 2.1 seedbed preparation: green onions bogey, should not use the onion or garlic vegetables or more than 3 years of rotation of the land for seedbed. After the harvest of the previous crop, 667 m ~ 2 apply 4000 kg of decomposed larvae or human and animal manure urine, mixed with 50 kg of calcium for the base fertilizer, deep rake flat, made of flat 宽 1.2 m wide, and remove the soil screening , Prepared for soil cover. 2.2 timely sowing: regardless of sowing or autumn sowing, the principle of its sowing period is to plan the strong growing season of pseudostems in the cold season, the average daily temperature of 13 ~ 20 ℃, to promote the growth of false stems, to avoid the false stem is not fully grown Pre-emergence plants have been through the vernalization stage of pre-bolting. In particular, autumn planting can not be too early or too late, the local sowing period should be from late September to October