松江县泗联公社科研站的干部和贫下中农,大力开展水稻杂种优势利用的群众性科学实验,七六年试种杂交水稻南优二号一亩七分五厘,总产2548斤,折合亩产1456斤,受到了公社领导和广大群众的一致好评。他们决心进一步扩大试验,在取得经验的基础上,大力推广水稻杂种优势利用,创高产,多打粮,为把国民经济搞上去作出应有的贡献。南优二号是“三系”(雄 Songjiang County, Si Lianhe research station cadres and poor middle peasants, vigorously carry out the use of hybrid rice masses mass scientific experiments, seven or six years of hybrid rice Nan You two seven acres and five acre, a total yield of 2548 pounds, equivalent to mu Producing 1456 pounds, by the commune leadership and the masses alike. They are determined to further expand the trial. On the basis of their experience gained, they will vigorously promote the utilization of rice heterosis, create high yields and feed more grain and make due contributions to the national economy. Nam You 2 is the “three lines” (male