内蒙古满洲里市位于北纬49°度以北的高寒地区，冬季时间长，夏季时间短，年无霜期只有100天，冬季最低气温可达－35度。在这样的气候条件下，虽然大葱在满洲里栽培已有多年历史，但产量一直不高，亩产一般在1500公斤左右。近几年我们引进山东章丘大葱，应用密植高产栽培技术之 Manzhouli City, Inner Mongolia is located in the alpine region north latitude 49 degrees north, long winter time, summer time is short, the annual frost-free period is only 100 days, the winter minimum temperature up to -35 degrees. Under such climatic conditions, although the green onions have been cultivated in Manchuria for many years, the output has not been high and the average yield per mu is about 1,500 kg. In recent years, we introduce Shandong Zhangqiu green onions, the application of dense planting high-yielding cultivation techniques