昭盟宁城县天义公社小河沿大队,经两年试验示范,推广大垄机播谷已获成功。实践证明,这种耕作方式,节省劳力,苗全整齐,管理方便,增产显著。这个大队一九七六年试播了十六亩机播谷,尽管缺乏经验,亩产仍达350斤。一九七七年,在初步取得经验之后,全大队共搞机播 Zhaomeng Ningcheng County Tianyi commune small river along the brigade, after two years of trial and demonstration, the promotion of large ridge machine broadcasted Valley has been successful. Practice has proved that this way of farming, labor-saving, Miao all tidy, easy management, a significant yield increase. The brigade piloted a total of 16 acres of machine-cut mullets in 1976, and despite the lack of experience, yields still reached 350 pounds per mu. In 1977, after gaining initial experience, the entire brigade engaged in aerial broadcasting