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我国杂交水稻的研究工作进展很快,1973年三系配套成功,1978年全国杂交水稻面积就发展到7,000万亩,比常规品种增产二、三成,亩产增加一百多斤。1978年我省从辽宁引进少量杂交种,试种5.6亩,平均亩产1,200斤以上,增产10-30％。1979年全省示范杂交水稻703亩,亩产都在千斤以上。太原市呼延大队种植600亩,亩产1,050斤,比常规品种辽丰8号增产15％。左权县东安
The research work on hybrid rice in China progressed rapidly. In 1973, the three lines were successfully matched. In 1978, the area of hybrid rice in the country grew to 70 million mu, an increase of 20% to 30% over conventional varieties and an increase of more than 100 kg per mu. In 1978, Liaoning Province introduced a small number of hybrids from Liaoning, trying to cultivate 5.6 mu, with an average yield of 1,200 kg per mu and an increase of 10-30%. In 1979, the province demonstrated 703 mu of hybrid rice with a per mu yield of over 1000 kg. Huanyunshan of Taiyuan City planted 600 acres, 1,050 kg per mu, than the conventional varieties of Liaofeng 8 15% increase. Zuo Quan Dongan