清镇市在调整蔬菜品种结构 ,发展特色蔬菜过程中 ,从 1997年开始 ,引进山东大葱品种试种 ,取得成功 ,填补了我省不产大葱的空白 ,丰富了市场的花色品种。几年来 ,清镇市山东大葱的种植面积不断扩大 ,1999年大葱种植面积从 1997年不到 6 6 7ｍ2 发展到2 0ｈｍ2 ( 30 0亩 ) ,6 6 Qingzhen City, in the adjustment of the structure of vegetable varieties, the development of distinctive vegetables, from 1997 onwards, the introduction of Shandong varieties of green onions trial and achieved success, to fill the gaps in our province does not produce green onions, enrich the market color varieties. In recent years, the planting area of ​​green onions in Shandong Province of Qingzhen has been expanding. In 1999, the planting area of ​​green onions increased from less than 6 6 7 m 2 in 1997 to 20 hm 2 (30 0 mu)