Thandar Nyi

International Institute of Tropical Agriculture (IITA), Nairobi, Kenya
Department of Environmental Sciences, Kenyatta University, Nairobi, Kenya

Monicah Mucheru-Muna

Department of Environmental Sciences, Kenyatta University, Nairobi, Kenya

Christ Shisanya

Department of Geography, Kenyatta University, Nairobi, Kenya

Jean-Paul Lodi Lama

International Institute of Tropical Agriculture (IITA), Kinshasa, DR. Congo

Patrick K. Mutuo

International Centre for Tropical Agriculture (CIAT), Arusha, Tanzania

Pieter Pypers

International Centre for Tropical Agriculture (CIAT), Nairobi, Kenya

Bernard Vanlauwe

International Institute of Tropical Agriculture (IITA), Nairobi, Kenya