04664nam a2201621 a 450000100080000000500110000800800410001902000180006010000190007824500550009726000290015230000100018152009680019165000160115965000120117565000100118765000090119765000110120665000160121765000180123365000170125165000090126865000090127765000110128665000220129765000130131965000190133265000150135165000130136665000090137965000130138865000250140165000120142665000090143865000190144765000200146665000120148665000170149865000110151565000130152665000250153965000190156465000120158365000090159565000100160465000190161465000160163365000100164965000130165965000110167265000100168365000100169365000120170365000240171565000210173965000120176065000120177265000120178465000160179665000240181265000170183665000120185365000130186565000130187865000110189165000190190265000230192165000180194465000100196265000160197265000220198865000140201065000070202465000110203165000330204265000130207565000150208865000260210365000150212965000130214465000120215765000230216965000090219265000160220165000180221765000140223565000100224965300250225965300140228465300090229865300310230765300120233865300100235065300110236065300170237165300090238865300120239765300140240965300210242365300150244465300120245965300110247165300190248265300220250165300130252365300120253665300130254865300100256165300250257165300110259665300160260765300310262365300140265465300200266865300120268865300260270065300130272665300170273965300120275665300130276865300120278165300170279365300360281065300250284665300180287165300100288965300100289965300100290965300120291965300170293165300130294865300200296165300120298165300200299365300130301365300080302665300080303412089212001-10-30       1976    bl uuuu      00u1 u    #d  a0-471-75200-21 aSANCHEZ, P. A.  aProperties and management of soils in the tropics.  aNew York: J. Wileyc1976  a618p.  aThe tropical environment. Temperature and solar radiation. Rainfall. Vegetation. Geology. Agriculture. Soils of the tropics. Soil classification systems used in the tropics. Geographical distribution. Soil associations in the landscape. Soil physical properties. Erosion. Soil temperature. Clay mineralogy and ion exchange processes. Soil organic matter. Additions and decomposition. Effects of cultivation. Beneficial effects. Manure applications. Nitrogen. Soil organic nitrogen. Seasonal fluctuations of inorganic nitrogen. Nitrogen fertilizer reactions insoils. Nitrogen requirements of tropical crops. Management of nitrogenfertilizers. Residual effects of nitrogen fertilization. Soil acidity and liming. Liming. Phosphorus, silicon and sulfur. Soil fertility evaluation. Soil management in shifting cultivation areas. Soil managementin rice cultivation systems. Soil management in multiple cropping systems. Soil management for tropical pasture production.  aagriculture  aalfalfa  aboron  acorn  acotton  aenvironment  aintercropping  aion exchange  airon  aland  aliming  amultiple cropping  anitrogen  aorganic matter  aphosphorus  apotatoes  arice  asalinity  ashifting cultivation  asilicon  aSoil  asoil fertility  asoil management  asoil pH  asoil science  asulfur  ataxonomy  atropical agriculture  atropical soils  atropics  aurea  awater  aAcidez do Solo  aAgricultura  aÁgua  aAlgodão  aArgila  aArroz  aCafé  aCalagem  aCultivo Migratório  aCultivo Multiplo  aEnxofre  aErosão  aFeijão  aFertilidade  aFertilidade do Solo  aFertilizante  aFísica  aFósforo  aMandioca  aManejo  aManejo do Solo  aMatéria Orgânica  aMeio Ambiente  aMilho  aNitrogênio  aNutriente Mineral  aPedologia  aPh  aPlanta  aPropriedade Físico-Química  aQuímica  aRadiação  aRelação solo-planta  aSalinidade  aSilício  aSiratro  aSistema de Cultivo  aSolo  aSolo Ácido  aSolo tropical  aTaxonomia  aTerra  aAgricultura tropical  aBatatinha  aBean  aChemicophysical properties  aCiencia  aClays  aCoffee  aConsorciacao  aCrop  aErosion  aFertility  aGropping systems  aManagement  aMateria  aMatter  aMicronutrients  aMineral nutrition  aNitrogem  aOrganic  aOrganica  aPlant  aPlant soil relations  aPlants  aPropriedade  aPropriedade fisica do solo  aRadiation  aRegiao tropical  aRelacao  aRelação solo planta  aRelation  aRelationship  aRotacao  aRotation  aScience  aSoil acidity  aSoil chemicophysical properties  aSoil plant relations  aSoil sciences  aSoils  aSolar  aSolos  aSulphur  aTroca de ion  aTropical  aTropical region  aTropico  aTrópico Úmido  aTropicos  aUse  aUso