杂交水稻能否在后季稻上应用,我们于一九七六年进行了栽培试验,供试品种为南优二号,试验田二块,分别为1亩和1.48亩,同时进行小面积密度试验。一、试验概况 6月21日播种,7月22日移栽,秧龄31天。秧田播种量每亩30斤,大田用种量每亩3斤,秧田期每亩施硫铵20斤、薄人类30担和碳铵15斤。移栽时秧苗素质:苗高28厘米,分蘖3.95个。第一块大田于7月22日移栽,每亩2.3万穴,单本栽插。前茬为单季稻秧田,基肥每亩施草塘泥150担,追肥:7月25日每亩施硫铵30斤、磷肥30斤,7月28日施碳铵50斤,7月31日 Hybrid rice can be applied in the later season rice, we conducted a cultivation experiment in 1976, the test varieties for the South You 2, two experimental plots were 1 mu and 1.48 mu, respectively, while the small area density test . First, the test profile June 21 sowing, July 22 transplanting, seedling age 31 days. Seedling sowing rate of 30 kg per mu, field with 3 kg per acre seed, seedling field per acre ammonium sulfate 20 kg, thin human 30 and ammonium bicarbonate 15 kg. Transplanting seedlings quality: 28 cm high, 3.95 tillers. The first Daejeon transplanted on July 22, 23,000 acre per acre, single planted. Pre-cropping single-season rice seedling, basal application of straw 150 mu per acre, top dressing: July 25 per acre 30 kg of ammonium sulfate, phosphate fertilizer 30 kg, July 28, giving 50 kg of ammonium bicarbonate, July 31