章丘大葱以大梧桐类型为代表。提纯复壮大梧桐29—1选系被称为葱中之王。一般株高为130～150厘米,白长50～70厘米,白粗3～4厘米,单株重0.5～0.75公斤,亩产400～5000公斤以上。但由于大梧桐型抗寒力低,在黑龙江高寒地区多采取春种秋收。与秋种相比,减少生长期60多天,使增产潜力得不到充分发挥。采用塑料棚育苗,虽延长生长 Zhangqiu green onion represented by the type of Indus. Thoroughfare rehabilitation Indus selection of 29-1 known as the king of onions. General plant height of 130 to 150 cm, white 50 to 70 cm, white 3 to 4 cm, 0.5 to 0.75 kg weight per plant, more than 400 to 5000 kg per mu. However, due to the low Indus cold hardiness, cold spring in Heilongjiang Province to take more autumn harvest. Compared with autumn species, reducing the growth period of more than 60 days, so that yield potential can not be fully realized. Plastic shed nursery, although to extend the growth