Impact of land use types and farming practices on arbucular Mcorrhizal fungi (AMF) and yield of maize and beans in Kenya - Jefwa, J.M.; Okoth, S.; Nyaga, J.; Wachira, P.; Karanja, N.; Kahindi, J.; Njuguini, S.; Ichami, Stephen M.; Okoth, Peter F.; Huising, Jeroen (International Center for Tropical Agriculture, 2010)