00521naa a2200193 a 450000100080000000500110000800800410001910000220006024500450008226000090012765300170013665300100015365300220016365300130018570000220019870000220022070000160024277300690025810309092004-05-19       2004    bl uuuu     u00u1 u    #d1 aSILVA, P. S. L. e  aGrain yield of maize grown after cowpea.  c2004  aFeijao verde  aMilho  aVigna unguiculata  aZea mays1 aSILVA, K. M. B. e1 aSILVA, P. I. B. e1 aBARBOSA, Z.  tRevista Ceres, Vicosagv. 51, n. 293, p. 143-152, jan.fev. 2004.