我区水稻杂种优势利用协作会议于80年1月8至14日在南宁召开。会议对几年来推广杂交水稻的情况和科研工作进行了总结,并订出了今后科研的主攻方向。 1977年全区杂交水稻350万亩,78年全区650万亩,79年395万亩,一般比常规种亩增100—300斤。79年晚造北流县六麻圩队1.602亩汕优三号,亩产达1522.2斤。杂种优势利用研究 Our district rice heterosis utilization conference was held in Nanning from January 8 to January 14, 1980. The meeting summed up the situation of promoting hybrid rice in recent years and scientific research, and set the main direction of scientific research in the future. In 1977, there were 3.5 million mu of paddy rice in the whole area, covering 6.5 million mu in 78 years and 3.95 million mu in 79 years. Generally, it increased by 100-300 kg than the conventional mu. 79 years made Beiliu County Liumaxu 1.602 acres Shanyou three acres, yielding 1522.2 pounds. Heterosis utilization research