00785nam a2200217 a 450000100080000000500110000800800410001910000220006024500830008226002100016530000160037565000140039165300170040565300220042265300210044465300180046570000190048370000240050270000220052670000190054810245992015-03-18       2004    bl uuuu     u00u1 u    #d1 aVALLADARES, G. S.  aProposal for Brazilian taxonomy of histosols based on humic substance content.  aIn: INTERNATIONAL MEETING OF HUMIC SUBSTANCES SOCIETY IHSSS, 12., São Pedro-SP, 2004. Proceedings: Humic substances and soil and water envivonment. São Pedro: Embrapa Instrumentação Agropecuáriac2004  ap. 664-666.  aHistosols  aOrganossolos  aSoil fulvic acids  aSoil humic acids  aTropical peat1 aPEREIRA, M. G.1 aANJOS, L. H. C. DOS1 aBENITES, V. de M.1 aEBELING, A. G.