北京一位退休干部写了一首《葱颂》：“此物普通；原产山东。相貌无奇，周身白青。其味甘辣，通窍扩胸。煎饼可卷，烤鸭伴同。家常便饭，宴席佳烹。调味要素；缺葱难成。有人颂橘，无人颂葱。颂其有用，情理之中。”葱有500多个品种，我国栽培葱有3千多年的历史。葱生性喜冷凉，? A retired cadre in Beijing wrote a song, “Onong Song”: “This thing is ordinary; Native Shandong is not unusual, the whole body is white and white .Its sweet and spicy, Banquet good cooking seasoning elements missing onion difficult to someone ode to orange, no one eulogize the ode to its useful and reasonable. ”" Onion has more than 500 varieties of cultivated onions in our country more than 3,000 years of history. Onion raw cold,?