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1976年我们公社选长安大队集中成片地,搞杂交水稻制种田128.28亩,计收“闽优一号”杂交种子9,255斤,平均亩产了5斤,现小结如下:一制种过程长安大队位于闽江口,背山临水,自然隔离条件好,但是这里海风比较大,有时易受海水淹灌。1.制种组合,V_(41)做母本,国际稻 IR_(24)做父本杂交。2.秧地选择和施肥:选择土壤肥力中等做父本秧地,每亩施30担人粪作基肥、播种后8~9天,每亩秧田追肥15斤尿素。3.父母本播种期:第一期父本于6月19日播种;第二期于6月28日播种,两期父本相隔
In 1976, our commune selected Changan Brigade concentrated in a film, engage in hybrid rice farming 128.28 acres, including the “Min You 1” hybrid seeds 9,255 pounds, the average yield of 5 pounds, are summarized as follows: a seed production process Chang’an Brigade is located in the Minjiang River estuary, mountains and rivers, the natural isolation conditions are good, but the sea breeze here is relatively large, and sometimes vulnerable to seawater flooding. 1. Seed combination, V_ (41) as the female parent, and the international rice IR_ (24) as the male parent. 2. Seedling selection and fertilization: choose medium soil fertility father seedlings, 30 acres of manure per capita for basal fertilizer, 8 to 9 days after sowing, top dressing 15 pounds of urea per acre seedling. 3. Parents of the sowing date: the first issue of the sow was sowed on June 19; the second was sown on June 28, the two paternal divides