Food crop yield under Gmelina plantations in southern Nigeria

by 40254 AGBEDE, O.O., 100661 OJO, G.O.A., 88957 MacDonald, L.H., 39485 (ed.), 20895 UNU, Tokyo (Japón), 39188 Workshop on Agro-forestry in the African Humid Tropics, Ibadan (Nigeria), 27 Apr-1 May 1981