吉林省榆树市青顶乡梨树村农民李石磊，1996年栽植大葱0．03公顷，产葱2：382公斤，比上年自己的0．03公顷大葱增产幅度高60．5％，多收葱1440公斤。增产原因主要是他采用了1沟双行调角直栽的新方法。李石磊过去栽葱和当地农民一样，沿用一沟单行坡栽的老方法，大葱不但产量低 Li Shilei, a farmer from Lishu Village, Qingding Township, Yushu City, Jilin Province, grew 0.03 hectares of green onions in 1996 and produced 2: 382 kilograms of green onions, up 60.5% over the previous year’s 0.03 hectare of green onions. Onion 1440 kg. The main reason for the increase is that he adopted a new method of directing a single row of double rows of horns. In the past, Li Shurei planted green onions and used the same method as local peasants. Following the old method of planting single ditch in a ditch, green onions not only produce low yields