国際熱帯農業研究所
The institute was initially situated on a 1000 hectare land. The institute focused on a cereal improvement program, grain and legumes improvement program, farming systems and root and tuber improvement program. The grain and legume improvement system consisted of soybean, cowpea and tuber program composed of yam and cassava. IITA joined CGIAR in 1971. It later added tree products such as plantain and banana.