Use este identificador para citar ou linkar para este item: https://repositorio.inpa.gov.br/handle/1/18037
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dc.contributor.authorJório, Ado-
dc.contributor.authorRibeiro-Soares, Jenaina-
dc.contributor.authorCançado, Luiz Gustavo-
dc.contributor.authorFalcão, Newton P.S.-
dc.contributor.authordos Santos, Hélio Ferreira-
dc.contributor.authorBaptista, Daniel Lorscheitter-
dc.contributor.authorMartins Ferreira, E. H.-
dc.contributor.authorArchanjo, Bráulio Soares-
dc.contributor.authorAchete, Carlos Alberto-
dc.date.accessioned2020-06-15T21:51:09Z-
dc.date.available2020-06-15T21:51:09Z-
dc.date.issued2012-
dc.identifier.urihttps://repositorio.inpa.gov.br/handle/1/18037-
dc.description.abstractThe anthropogenic Amazonian soil " Terra Preta de índio" (Amazonian Dark Earth) provides a potential model for a sustainable land-use system in the humid tropics. A large amount of carbon-based materials in this soil is responsible for its high fertility over long periods of usage, and soil scientists are trying to create " Terra Preta Nova" (New Dark Earth) by adding charcoal as a soil conditioner. By applying materials science tools, including scanning and transmission electron microscopy, energy dispersive X-ray, electron energy loss spectroscopy and Raman spectroscopy, we show that these millenary carbon materials exhibit a complex morphology, with particles ranging in size from micro- to nanometers, from the core to the surface of the carbon grains. From one side, our results might elucidate how nature solved the problem of keeping high levels of ion exchange capacity in these soils. From the other side, morphology and dimensionality are the key issues in nanotechnology, and the structural aspects revealed here may help generating the Terra Preta Nova, effectively improving world agriculture and ecosystem sustainability. © 2012 Elsevier B.V.en
dc.language.isoenpt_BR
dc.relation.ispartofVolume 122, Pags. 61-66pt_BR
dc.rightsRestrito*
dc.subjectCarbon Based Materialsen
dc.subjectCarbon Materialen
dc.subjectCarbon Nanostructuresen
dc.subjectComplex Morphologyen
dc.subjectEcosystem Sustainabilityen
dc.subjectElectron Energy Lossen
dc.subjectEnergy Dispersive X-rayen
dc.subjectHigh Fertilitiesen
dc.subjectHumid Tropicsen
dc.subjectIon Exchange Capacityen
dc.subjectLand-use Systemsen
dc.subjectPotential Modelen
dc.subjectScanning And Transmission Electron Microscopyen
dc.subjectSoil Fertilityen
dc.subjectStructural Aspectsen
dc.subjectCarbonen
dc.subjectCharcoalen
dc.subjectElectron Energy Loss Spectroscopyen
dc.subjectMicroscopy, Electronen
dc.subjectEnergy Dissipationen
dc.subjectMorphologyen
dc.subjectParticles (particulate Matter)en
dc.subjectRaman Scatteringen
dc.subjectRaman Spectroscopyen
dc.subjectSoilsen
dc.subjectTransmission Electron Microscopyen
dc.subjectGeologic Modelsen
dc.subjectIon Exchangeen
dc.subjectMicroscopyen
dc.subjectNanotechnologyen
dc.subjectNumerical Modelen
dc.subjectRaman Spectroscopyen
dc.subjectSoil Carbonen
dc.subjectSoil Fertilityen
dc.subjectSustainabilityen
dc.subjectAmazoniaen
dc.titleMicroscopy and spectroscopy analysis of carbon nanostructures in highly fertile Amazonian anthrosoilsen
dc.typeArtigopt_BR
dc.identifier.doi10.1016/j.still.2012.02.009-
dc.publisher.journalSoil and Tillage Researchpt_BR
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