00628naa a2200241 a 450000100080000000500110000800800410001910000180006024500760007826000090015465300130016365300110017665300170018765300100020465300120021465300150022665300130024165300230025465300090027765300090028670000190029577300720031410306882004-04-29       2004    bl uuuu     u00u1 u    #d1 aVETSCH, J. A.  aCorn production as affected by nitrogen application timing and tillage.  c2004  aAdubacao  aAmonia  aFertilizacao  aMilho  aNitrato  aNitrogenio  aProducao  aRotacao de cultura  aSoja  aSolo1 aRANDALL, G. W.  tAgronomy Journal, Madisongv. 96, n. 2, p. 502-509, mar./apr. 2004.