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湖南省慈利县岩泊渡公社农科站六队,1976年秋季杂交水稻制种,其中4.8亩,平均亩产310.6斤。制种组合南优六号。栽培管理父本分两期播种,父母本播种差期46天,叶龄差9.48。两期父本同日插秧,第一期父本秧龄41天,母本秧龄13天,带泥栽。行比2∶5。施肥“父母并重同促”,攻母,争穗数;攻父,保证花粉量。基肥每亩山青1000斤、猪粪17担、菜麸25斤。追肥:父本每亩碳铵30斤,球肥深施;母本尿素20斤,氯化铵15
Six teams from the Agricultural Science Station of Yantudu Commune, Cili County, Hunan Province, made hybrid rice seeds in the autumn of 1976, of which 4.8 mu have an average yield of 310.6 kg per mu. Seed combination Nam You VI. Cultivation and management of male parent sowing in two phases, the parents of 46 days of sowing difference, leaf age difference of 9.48. Two parents of the same day transplanted seedlings, the first phase of the father of seedling age 41 days, female parent age of 13 days, with mud planted. The ratio of 2: 5. Fertilization “both parents and promote”, attack mother, spike number; attack the father, to ensure the amount of pollen. Basalt fertilizer per acre 1000 kg, pig manure 17, vegetable bran 25 pounds. Topdressing: 30 kg per acre of ammonium bicarbonate father, deep fat ball facilities; female 20 kg of urea, ammonium chloride 15