Sabiia Seb
PortuguêsEspañolEnglish
Embrapa
        Busca avançada

Botão Atualizar


Botão Atualizar

Registro completo
Provedor de dados:  Repositório Alice
País:  Brazil
Título:  Methods of soil organic carbon determination in Brazilian savannah soils.
Autores:  SATO, J. H.
FIGUEIREDO, C. C. de
MARCHÃO, R. L.
MADARI, B. E.
BENEDITO, L. E. C.
BUSATO, J. G.
SOUZA, D. M. de.
Data:  2014-10-15
Ano:  2014
Palavras-chave:  Cerrado
Solo orgânico
Carbono
Matéria orgânica
Soil organic matter
Carbon
Combustion
Resumo:  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.

2014
Tipo:  Artigo em periódico indexado (ALICE)
Idioma:  Inglês
Identificador:  0103-9016

33039

http://www.alice.cnptia.embrapa.br/handle/doc/997381

http://ainfo.cnptia.embrapa.br/digital/bitstream/item/109976/1/sa.pdf

10.1590/0103-9016-2013-0306
Editor:  Scientia Agricola, Piracicaba, v. 71, n. 4, p. 302-308, July/Aug. 2014.
Relação:  Embrapa Arroz e Feijão - Artigo em periódico indexado (ALICE)
Fechar
 

Empresa Brasileira de Pesquisa Agropecuária - Embrapa
Todos os direitos reservados, conforme Lei n° 9.610
Política de Privacidade
Área restrita

Embrapa
Parque Estação Biológica - PqEB s/n°
Brasília, DF - Brasil - CEP 70770-901
Fone: (61) 3448-4433 - Fax: (61) 3448-4890 / 3448-4891 SAC: https://www.embrapa.br/fale-conosco

Valid HTML 4.01 Transitional