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国营灵武农场农六连1971年用75斤“斗地1号”小麦种植6.9亩.亩播种量为10.87斤,采用高肥、稀播、精细管理,共繁殖种子4,300斤,单产为623.3斤,繁殖倍数57.3倍,为迅速推广“斗地1号”良种创造了条件.现将该连的做法简介如下:(1)前茬水稻,秋耕20～22厘米,对角耙耥,春播前人工平地,亩施猪粪、马粪、人粪尿共1.5万斤,基施过磷酸钙120斤.3月2日耙地,对角耙深6～8厘米,3月4日机播,行距15厘米.(2)播种后用铁耙耙地一次,保证出苗,苗长出1～2片叶时,亩追尿素18～20斤,施后耙入.因稀播草大,以二甲四氯喷洒灭草(1.5两粉剂加水40斤),灌水时又补喷一次.5月10日灌头水,
The state-owned Lingwu farm farmer six with 75 kg in 1971, “Land No. 1” wheat planted 6.9 acres of mu sowing capacity of 10.87 pounds, using high-fat, thin sowing, fine management, a total of 4,300 pounds of breeding seeds, 623.3 kg, breeding multiples of 57.3 times, for the rapid promotion of “Doudi No. 1” seeds to create the conditions.Currently the practice of the company are as follows: (1) before the crop of rice, autumn 20 ~ 22 cm, diagonal rake耥, artificial sowing before spring, Mushi pig manure, horse manure, a total of 1.5 kg of human excrement, based on calcium phosphate 120 kg. March 2 rake, diagonal rake 6 to 8 cm deep, March 4 (2) rake with iron harrow after sowing once to ensure that the emergence of seedlings grow 1 to 2 leaves, acres of urea recovery of 18 to 20 pounds, Shi after Harrow into. Large, to die tetrachloride spraying weed (1.5 two powder water 40 kg), when filling and make up spray irrigation. May 10 irrigation head water,