00692nam a2200193 a 450000100080000000500110000800800410001910000140006024501330007426001650020765000130037265300090038565300080039470000160040270000200041870000180043870000190045670000230047518760882011-10-31       2010    bl uuuu     u00u1 u    #d1 aSILVA, F.  aChemical characterization and mineralogy of three anthropics soils (Indian Dark Earth) of Central Amazon.h[electronic resource]  aIn: INTERNATIONAL BIOCHAR CONFERENCE, 3., 2010, Rio de Janeiro. Progressing from Terra Preta de Índios to the whole world: anais. Rio de Janeiro: Embrapac2010  agoethite  aSite  aXRD1 aLIMA, H. N.1 aTEIXEIRA, W. G.1 aMACEDO, R. S.1 aTAVARES, S. G.1 aSOUZA, A. C. G. de