宁蒗县大拉坝公社毛牛坪大队东风小队,科技组,在公社党委和大队党支部的领导下,认真贯彻农业“八字宪法”,采用深耕、良种、多施肥,合理密植等一整套科学栽培技术,夺取洋芋亩产9925斤的高产。 1975年他们在1.21亩试验田内,进行两犁一耙一打土、深耕1尺左右的整地工作,施农家肥一万斤作底肥的基础上每窝放种肥1斤。采用“八字墒”打塘点播,墒面4— Under the leadership of commune party committees and brigades and party branches, Dongliu team and science and technology group of Mao Niuping Brigade in Dalaba commune of Ninglang County conscientiously implemented the “Character Constitution” of agriculture and adopted a set of science such as deep plowing, good variety, fertilization and close planting Cultivation techniques, to seize 9985 pounds of potato yield per mu. In 1975, they experimented in a field of 1.21 mu and carried out two rakes and one dozen of soil digging and deep plowing of about 1 foot of soil preparation work. Adopting the “character word moisture” play pond on demand, moisture surface 4-