杂交水稻于1976年开始在我县试种,1979年早稻种植面积达14万多亩,平均亩产生谷895斤,比常规品种增产235斤。我县推广的汕优系统,早稻抗稻瘟病,晚稻避过寒露风,是目前比较理想的品种。马坡大屋生产队,大桥猪肚田生产队,能成为亩产双千斤的队,都是大面积种植杂交水稻才上去 Hybrid rice began to be planted in our county in 1976. In 1979, the planted area of ​​early rice reached 140,000 mu, with an average of 895 kg of mu per mu yielding 235 kg more than the conventional varieties. My county to promote the Shanyou system, early rice resistance to blast, late rice to avoid the dew, is the ideal species. Mabu house production team, the bridge pig belly field production team, can become a double mu yield per team, are large-scale cultivation of hybrid rice before going up