我省早稻面积约2800万亩,在开发杂交早稻方面算是走在前列的,但面积还不很大,不上100万亩。我国长江流域早稻9000多万亩,加上两广,在一亿亩以上,杂交早稻占的比重就更小,本文就我县近年推广杂交早稻的效益,谈谈它在粮食增长中的地位. 一、杂交早稻增产潜力很大 1983年,中国农牧 Early rice area of ​​about 2800 acres in our province, in the development of hybrid early rice is considered in the forefront, but the area is not yet large, not 1000000 mus. In the Yangtze River Basin, over 900 million mu of early rice in the Yangtze River Basin, plus more than 100 million mu of hybrid rice will make up a smaller proportion of early rice in the Yangtze River Basin. In this paper, we will discuss the benefits of hybrid early rice in recent years in our county and talk about its role in food growth. , Hybrid early rice yield great 1983, China’s agriculture and animal husbandry