一、示范情况及产量表现 孝感市位于江汉平原,气候温和,雨量充沛,是我省双季稻产区之一。为了把杂交水稻生产推向新台阶,实现亩产吨粮,1986年我市从湖南岳阳建新农场农科所引进了杂交粳稻虎优11.5种子8万余斤,在朋兴、龙店、杨店等三个区作大面积高产示范,共12000亩,其他区也试 First, the demonstration of the situation and output performance Xiaogan City is located in the Jianghan Plain, a mild climate, abundant rainfall, is our province double cropping rice producing areas. In order to push the production of hybrid rice to a new level and realize the production of tons of grain per mu, in 1986, the city introduced a total of more than 80,000 kg of hybrid japonica rice Huyou 11.5 seeds from Jianxin New Farm, Hunan Yueyang in Pengxing, Longdian and Yangdian Three districts for large-scale high-yield demonstration, a total of 12000 acres, the other districts also test