00632naa a2200241 a 450000100080000000500110000800800410001910000180006024501060007826000090018465000120019365000230020565000120022865000100024065000200025065000150027065000090028565000100029465300080030470000170031270000200032977300410034916187231995-06-27       1990    bl ---       0--  u    #d1 aBALESDENT, J.  aEffect of tillage on soil organic carbon mineralization estimated from 13C abundance in maize fields.  c1990  aCarbono  aMatéria Orgânica  aMétodo  aMilho  aMineralização  aProdução  aSolo  aSorgo  a13C1 aMARIOTTI, A.1 aBOISGONTIER, D.  tJ. Soil Sci.gv.41, p.587-596, 1990.