一九七二年早稻、晚稻品种比较试验在七一年试验基础上,增加了材料,扩大了面积,经贫下中农教师和工农兵学员共同努力,取得了试验结果,现简报如下: 早稻一、试验概况本年共收集了当前生产推广的优良早稻品种19个,连同上年留试的9个,以及从去年预备试验中提升的31个,共计为59个。供试材料根据生育期的长短,分为早、中、迟熟 In 1972, the comparative experiments on early rice and late rice varieties added material and expanded the area on the basis of the experiment of 71 years. Through the joint efforts of poor middle peasants and workers, peasants and soldiers, the experimental results were obtained. The briefing is as follows: TEST OVERVIEW This year, a total of 19 excellent varieties of early-season rice are currently being produced and popularized, together with 9 of the previous year’s last-time test and 31 of them from the preliminary test last year, amounting to a total of 59. Test materials according to the length of the growth period, divided into early, middle and late maturity