Staff members bag the third-generation hybrid rice at an experimental demonstration field in Hengnan County, central China's Hunan Province, Nov. 2, 2020. The third-generation hybrid rice developed by Yuan Longping, the "father of hybrid rice," and his team achieved a yield of 911.7 kg per mu (about 667 square meters) in an experiment in central China's Hunan Province. (Xinhua/Chen Zeguo)