Albuquerque, J. de A.A. de Oliva, L.S. de C. Alves, J.M.A. Uchôa, S.C.P. Melo, D.A. de Cultivation of cassava and cowpea in intercropping systems held in Roraima'savannah, Brazil Subjects--Topical Terms: MANDIOCAFEIJÃO DE CORDACONSORCIAÇÃO DE CULTURASISTEMA DE CULTIVO