1. Department of Crop production, Faculty of Agriculture and Environement sciences, Université Evangélique en Afrique (UEA/Bukavu), Democratic Republic of the Congo
2. Institut Supé rieur d’ Enseignement Agronomique et Vé té rinaire, ISEAV-Walungu, Walungu, Republic of the Congo
3. CIAT/HarvestPlus DRC, Bukavu, Democratic Republic of the Congo