罗伯特·姆万加（Robert Mwanga）因为在用富含维生素A的品种大量替换乌干达农村穷人日常实用的甘白薯（维生素A含量很低）方面所取得的鼓舞人心的工作而被授予世界粮食奖。
Robert Mwanga was awarded this year’s World Food Prize for inspiring work that resulted in the large-scale replacement of white sweet potato (with scant Vitamin A content) by a vitamin A-rich alternative in the diets of Uganda’s rural poor.