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洋葱是一种耐运输、耐贮藏的常用蔬菜,食用部分是肥大的肉质鳞茎,有特殊的香辣味,能增进食欲,可治疗多种疾病;不仅耐贮藏,也可脱水加工成出口蔬菜。洋葱按鲜茎皮色可分为红皮、黄皮和白皮三种;按鳞茎形状可分为扁平形、长椭圆形、长球形、球形和扁圆五种。不同球形与早晚熟性有关,一般球形越扁,熟性越早。辽宁省海城市耿庄镇张先村调整了农业种植模式,种植洋葱的经济效益每667 m2在3 000~6 000元。
Onion is a resistant transport, storage-resistant vegetables commonly used, edible part of the meaty bulbs hypertrophy, a special spicy taste, can increase appetite, can treat a variety of diseases; not only resistant to storage, dehydration can also be processed into export vegetables. Onion by fresh stem bark color can be divided into red, yellow and white three; according to the bulb shape can be divided into flat, oblong, long spherical, spherical and oblate five. Different spherical and early maturity related to the general spherical the more flat, the sooner maturity. Zhang Xiancun, Gengzhuang Town, Haicheng City, Liaoning Province, adjusted the mode of agricultural planting. The economic benefits of growing onions ranged from 3 000 to 6 000 yuan per 667 m2.