Arbuscular mycorrhizal fungi (AMF) in the rhizosphere of bananas in farming systems of Central Kenya - Jefwa, J.M.; Rutto, L.K.; Kahangi, EM; Asten, Piet J.A. van; Losenge, T; Mwajita, M; Vanlauwe, Bernard; Sanginga, Nteranya (International Center for Tropical Agriculture, 2007)