Caption accompanying photograph: Field of rice variety IR8 approaching maturity despite the short and steady growth characteristics of this new variety, the first to be released and named by the IRRI. Average yields of IR8, under careful management in the tropical countries where tested, have been from 5 to 8 metric tons per hectare compared with 2 to 4 tons for local varieties grown under [the] same conditions.
November 11, 1966

International Rice Research Institute – IRRI – Rice Yield Trials, c. 1905-1980. Rockefeller Foundation records; Photographs – Series 100-1000; Philippines – Series 242; Natural Sciences and Agriculture – Subseries 242.D; Rockefeller Archive Center.