江苏里下河地区农科所生物技术研究室花培杂交稻试种示范基地高邮县武宁乡,自1987年大面积试种花汕优63以来,杂交稻产量大幅度上升。1989年全乡种植花汕优63计2.23万亩,占水稻面积89。8%,平均产量达585公斤,其中1.03万亩杂交稻亩产突破600公斤,创该乡历史高产记录。其栽培要点 Jiangsu Lixiahe Agricultural Biotech Laboratory Biotech hybrid rice planting demonstration base Wuning Township, Gaoyou County, since 1987, a large area planted flower Shanyou 63, the yield of hybrid rice increased significantly. In 1989 the township planted flower Shanyou 63 6300 mus, accounting for 89.8% of the rice area, the average yield of 585 kilograms, of which 10,300 mu of hybrid rice mu yield exceeded 600 kilograms, hit the township record high yield. Its cultivation points