00487naa a2200193 a 450000100080000000500110000800800410001910000200006024500270008026000090010765000250011665000240014165000170016565000130018265000110019565000140020670000170022077300560023714589882004-09-20       2000    bl ---       0--  u    #d1 aSILVEIRA, J. M.  aEl cultivo de girasol.  c2000  aDensidade de Plantio  aÉpoca de Semeadura  aErva Daninha  aGirassol  aManejo  aVariedade1 aDURAN, J. M.  tVida Rural, Madridgv.7, n.102, p.20-23, feb. 2000.