水稻机插栽培技术在日本早已普及,在我国东北三省和江苏的单季稻地区发展也相当迅速,单季稻亩产500公斤并不罕见。但是,由于熟制不同,复种指数高,加上无霜期的限制,机插栽培在我国南方,特别是在三熟制地区,机插困难较大,晚稻困难更大。为解决连作早、晚稻机插难题,我们从1986—1988年对晚稻机插品种进行了适应性 Rice cultivation techniques have long been popular in Japan, and the development of single-crop rice in the three northeastern provinces and Jiangsu is also quite rapid. It is not uncommon for single-cropping of 500 kg per mu of rice. However, due to different ripening and multiple cropping index, combined with the limitation of frost-free period, it is more difficult for machine-inserted cultivation in southern China, especially in the three-cropping system, and it is more difficult for late rice to be inserted. In order to solve the continuous cropping problem of early rice and late rice, we adapted the rice planting varieties of late rice from 1986 to 1988