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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão; Embrapa Cerrados. |
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Data corrente: |
15/10/2014 |
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Data da última atualização: |
29/12/2014 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SATO, J. H.; FIGUEIREDO, C. C. de; MARCHÃO, R. L.; MADARI, B. E.; BENEDITO, L. E. C.; BUSATO, J. G.; SOUZA, D. M. de. |
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Afiliação: |
JULIANA HIROMI SATO, UNB; CÍCERO CÉLIO DE FIGUEIREDO, UNB; ROBELIO LEANDRO MARCHAO, CPAC; BEATA EMOKE MADARI, CNPAF; LUIZ EDUARDO CELINO BENEDITO, UNB; JADER GALBA BUSATO, UNB; DIEGO MENDES DE SOUZA, CNPAF. |
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Título: |
Methods of soil organic carbon determination in Brazilian savannah soils. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
Scientia Agricola, Piracicaba, v. 71, n. 4, p. 302-308, July/Aug. 2014. |
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DOI: |
10.1590/0103-9016-2013-0306 |
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Idioma: |
Inglês |
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Conteúdo: |
Several methods exist for determining soil organic carbon, and each one has its own advantages and limitations. Consequently, a comparison of the experimental results obtained
when these methods are employed is hampered, causing problems in the comparison of carbon stocks in soils. This study aimed at evaluating the analytical procedures used in the
determination of carbon and their relationships with soil mineralogy and texture. Wet combustion methods, including Walkley-Black, Mebius and Colorimetric determination as well as dry combustion methods, such as Elemental and Gravimetric Analysis were used. Quantitative textural and mineralogical (kaolinite, goethite and gibbsite) analyses were also carried out. The wet digestion methods underestimated the concentration of organic carbon, while the gravimetric method overestimated. Soil mineralogy interfered with the determination of carbon, with emphasis on the gravimetric method that was greatly influenced by gibbsite. |
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Thesagro: |
Carbono; Cerrado; Matéria orgânica; Solo orgânico. |
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Thesaurus Nal: |
Carbon; Combustion; Soil organic matter. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/109976/1/sa.pdf
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Marc: |
LEADER 01791naa a2200289 a 4500
001 2003872
005 2014-12-29
008 2014 bl uuuu u00u1 u #d
024 7 $a10.1590/0103-9016-2013-0306$2DOI
100 1 $aSATO, J. H.
245 $aMethods of soil organic carbon determination in Brazilian savannah soils.
260 $c2014
520 $aSeveral methods exist for determining soil organic carbon, and each one has its own advantages and limitations. Consequently, a comparison of the experimental results obtained when these methods are employed is hampered, causing problems in the comparison of carbon stocks in soils. This study aimed at evaluating the analytical procedures used in the determination of carbon and their relationships with soil mineralogy and texture. Wet combustion methods, including Walkley-Black, Mebius and Colorimetric determination as well as dry combustion methods, such as Elemental and Gravimetric Analysis were used. Quantitative textural and mineralogical (kaolinite, goethite and gibbsite) analyses were also carried out. The wet digestion methods underestimated the concentration of organic carbon, while the gravimetric method overestimated. Soil mineralogy interfered with the determination of carbon, with emphasis on the gravimetric method that was greatly influenced by gibbsite.
650 $aCarbon
650 $aCombustion
650 $aSoil organic matter
650 $aCarbono
650 $aCerrado
650 $aMatéria orgânica
650 $aSolo orgânico
700 1 $aFIGUEIREDO, C. C. de
700 1 $aMARCHÃO, R. L.
700 1 $aMADARI, B. E.
700 1 $aBENEDITO, L. E. C.
700 1 $aBUSATO, J. G.
700 1 $aSOUZA, D. M. de
773 $tScientia Agricola, Piracicaba$gv. 71, n. 4, p. 302-308, July/Aug. 2014.
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Registro original: |
Embrapa Cerrados (CPAC) |
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