01432nam a2200493 a 450000100080000000500110000800800410001910000150006024501440007526000390021930000110025852001800026965000130044965000160046265000110047865000190048965000160050865000200052465000150054465000090055965000180056865000230058665000150060965000160062465000180064065000210065865000240067965000120070365000270071565000140074265000180075665000090077465000160078365300130079965300110081265300120082365300130083570000150084870000160086370000130087970000130089270000180090570000150092311947102006-08-10       1989    bl uuuu      00u1 u    #d1 aTANAKA, A.  aAgro-ecological condition of the oxisol-ultisol area of the Amazon river systembreport of a survey from cerrado to forest areas in Brazil.  aSapporo: Hokkaido Universityc1989  a105 p.  aGeneral condition of the survey area. Description of land systems. Energy balance and water regime. Pedo-geomorphic processes and nature of soils. Vegetation. Farming systems.  aAcrisols  aagriculture  aBrazil  aenergy balance  aenvironment  afarming systems  aFerralsols  asoil  asoil analysis  asoil water regimes  avegetation  aAgricultura  aÁgua do Solo  aAnálise do Solo  aBalanço de Energia  aCerrado  aExploração Agrícola  aLatossolo  aMeio Ambiente  aSolo  aVegetação  aAmazonas  aBrasil  aOxisolo  aUltisolo1 aSAKUMA, T.1 aOKAGAWA, N.1 aIMAI, H.1 aSATO, T.1 aYAMAGUCHI, J.1 aFUJITA, K.