洋葱俗称圆葱、葱头。由于其适应性强，耐贮藏和运输，因而成为调剂蔬菜淡季供应的重要蔬菜。近年来，北京、天津、山东等外贸单位大量收购鲜洋葱头出口日本、韩国、前苏联等国家，福建、云南等省也大量出口脱水洋葱片，使洋葱的种植面积不断扩大。国际市场对出口鲜洋葱品种的? Onions commonly known as onion, onion. Due to its adaptability, resistance to storage and transportation, it has become an important vegetable in the off-season supply of vegetables. In recent years, a large number of foreign trade units such as Beijing, Tianjin and Shandong have acquired large numbers of fresh onion exports to Japan, South Korea and the former Soviet Union. Fujian, Yunnan and other provinces have also exported large quantities of dehydrated onion slices to expand the area planted with onions. International market for the export of fresh onion varieties?