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杂交水稻在地处淮北的徐州地区,经两年小面积试种和大面积示范,增产效果显著。邳县联防公社艾山西大队1977年种植103亩麦茬杂交水稻,亩产1,304.8斤;铜山县大庙公社孤山大队1977年全大队扩种402亩麦茬单季杂交中稻,亩产1,215斤,其中第五、六生产队连片种植132亩,亩产1,324斤,麦稻两熟亩产高达2,139斤。铜山县张集公社孟庄大队第四生产队,1977年在绿肥掩青地种植47亩南优3号单季春稻,平均亩产1,312斤,其中10.24亩亩产1,527.2斤,这个队两年来的水稻面积都是300亩,由于扩种了杂交水稻,水稻总产,1977年比1976年增加1倍。我所的丰产试验田亩产也达到1,450.8斤。我区八个县,县县都有1,300斤以上的高产田块。
Hybrid rice is located in Xuzhou, Huaibei region, after two years of small-area trial planting and large-scale demonstration, a significant yield increase. Yixian United Fangshan West Brigade in 1977 planting 103 acres of wheat stubble hybrid rice, 1,304.8 kg per mu; Temple Town, Tongshan County Gushan brigade in 1977, the entire brigade expanded 402 acres of wheat single-season hybrid rice, mu produce 1,215 pounds, of which Fifth, six production teams contiguous planting 132 acres, 1,324 kg per mu, two acres of wheat per mu up to 2,139 pounds. The fourth production team of Mengzhuang Brigade, Zhangji Commune, Tongshan County. In 1977, 47 mu Nanyou No.3 single-season spring rice was planted in Green Manure Land, with an average yield of 1,312 catties per mu, including 10.24 mu mu yield of 1,527.2 kg. Of the paddy area is 300 acres, due to the expansion of hybrid rice, paddy output, in 1977 an increase of 1 times than in 1976. My yield test plots yield reached 1,450.8 kg. I District eight counties, counties have more than 1,300 pounds of high yield plots.