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日本寒葱是山东省菏泽地区特优瓜菜研究所从日本寒葱中选育培育成功的高抗寒大葱优良品种。该品种叶短、腊粉重、葱白长而紧实,早熟,高抗寒,生长速度快,一般立秋前后10日内育苗,10月栽培,春天上市,冬季不需保护,在-15℃的情况下,不受冻害。来年五月份收获,一般1/15公顷产达7000～8000公斤,经济效益特别可观。一、育苗育苗的适宜时间为7月20日～8月20日。苗床选择地势高燥、不易积水的肥沃沙质土壤,整地做畦,
Japanese cold onion is the Heze region in Shandong Province gifted vegetables Institute from Japan, cold onion in the breeding of high-quality cold-resistant varieties of green onions. The varieties of leaves are short, heavy pink powder, blue and white long and firm, precocious, high cold, fast growth, generally established before and after autumn and autumn within 10 days of nursery, cultivation in October, the spring market, without protection in winter at -15 ℃ Under, do not suffer frost damage. In the coming year, harvesting in May will generally yield 1/8 hectare to 7000-8000 kilograms, with particularly impressive economic benefits. First, the appropriate time nursery nursery for July 20 to August 20. Seedbed selection is high and dry, difficult to accumulate water of sandy soil, soil preparation,