1976—1981年,我省杂交水稻推广面积累计8332.64万亩,其中杂交中稻1279.77万亩,约占中稻种植面积的35%,平均亩产693.7斤;杂交晚稻7052.87万亩,占晚稻种植面积的38.1%,平均亩产584斤,比常规晚稻增产183斤,增产45.6%。几年的生产实践证明,杂交水稻具有明显的优势,无疑是提高水稻 From 1976 to 1981, a total of 83.3644 million hectares of hybrid rice was popularized in our province, of which 12.797 million hectares of hybrid rice, accounting for about 35% of the medium-sown area, with an average yield of 693.7 kg per mu; 70.5187 million hectares of hybrid late rice, accounting for 38.1% %, Average mu produce 584 kilograms, than normal late rice yield 183 pounds, increase yield 45.6%. Years of production practice has proved that hybrid rice has obvious advantages, no doubt to improve rice