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杂交水稻作双季晚稻栽培,据1975年统计14个点,151.46亩,平均亩产858.7斤。黔阳地区农校示范面积25.08亩,平均亩产1022斤;桂东县农科所示范面积9.46亩,平均亩产1053.6斤;长沙市农科所示范面积12.13亩,平均亩产844.5斤;衡阳地区农科所示范面积4.468亩,平均亩产856.2斤;湖南省水稻研究所示范面积75.33亩,平均亩产819.2斤,比普通双季晚稻增产3—4成以上。初步试验,给人们的概念是:种普通双季晚稻600—800斤的水平,种杂交双季晚稻容易获得800—1000斤的产量。这充分显示了杂
Hybrid rice for double crop late rice cultivation, according to 1975 statistics 14 points, 151.46 acres, the average yield of 858.7 kg. Guizhou Province demonstration area of 25.08 acres of agricultural schools, the average yield of 1022 catties; Guidong County agricultural demonstration area of 9.46 acres, the average yield of 1053.6 kg; Changsha Agricultural Demonstration Area of 12.13 acres, the average yield of 844.5 pounds; Hengyang The demonstration area of agricultural sciences in the region is 4.468 mu with an average yield of 856.2 kg per mu. The demonstration area of rice research institute in Hunan Province is 75.33 mu, with an average yield of 819.2 kg per mu, an increase of 3-4% over the average double-cropped late rice. The initial test gives the concept of people: the kind of ordinary double-season late rice 600-800 pounds level, hybrid double late rice easy to get 800-1000 pounds of output. This fully shows miscellaneous