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1.品种选择选用优质、抗病、高产的优良品种五叶齐大葱。该品种植株雄健无分孽,株高120～150厘米,横径3～5厘米,葱白长50～65厘米,叶片紧凑、肥硕、深绿色,微着蜡粉,质脆嫩,味微甜,生熟食均可,商品性好,抗倒、抗逆性强,适应性广,单株重0.4～1千克,667米2产可达6000千克。2.苗床
1. Selection of species selection of high quality, disease resistance, high yield varieties of five leaves green onion. The variety of plants healthy no evil, plant height of 120 to 150 cm, horizontal diameter of 3 to 5 cm, onion white length 50 to 65 cm, leaves compact, fat, dark green, micro-wax powder, crisp tender, slightly sweet taste, Raw food can be cooked, good commodity, anti-down, strong resistance, wide adaptability, single plant weight 0.4 to 1 kg, 667 m 2 up to 6000 kg. Seedbed