一、杂交稻的生产近况与研究进展根据1979年的初步统计,全国种植杂交水稻的面积约达7,800万亩,其中包括辽宁推广的杂交粳稻46万亩.凡是种植杂交水稻的地区,一般都比当地的良种增产2成左右.1978年贵州、江苏、湖南、福建、江西等省都曾出现过亩产1,600斤的高产记录,1979年江苏省邳县连防公社农科站种植1.2亩南优2号获得亩产1,711斤的新成绩.我省杂交水 First, the current status of hybrid rice production and research progress According to preliminary statistics in 1979, the national planted hybrid rice area of ​​about 78000000 acres, including 460000 acres of hybrid rice in Liaoning promotion.Any where the cultivation of hybrid rice in general than In 2000, Guizhou, Jiangsu, Hunan, Fujian and Jiangxi provinces all had high-yielding records of 1,600 kg per mu. In 1979, the project of planting 1.2 mu Nanxun No. 2 to obtain a new yield of 1,711 pounds per mu. Hybrid water in our province