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 | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo; Embrapa Solos. |
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Data corrente: |
24/01/2006 |
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Data da última atualização: |
29/05/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BENITES, V. de M.; MENDONCA, E. de S.; SCHAEFER, C. E. G. R.; NOVOTNY, E. H.; REIS, E. L.; KER, J. C. |
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Afiliação: |
Embrapa Milho e Sorgo. |
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Título: |
Properties of black soil humic acids from high altitude rocky complexes in Brazil. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Geoderma, Amsterdam, v. 127, n. 1/2, p. 104-113, 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
Forty two samples of black soils were collected from superficial horizons of the High Altitude Rocky Complex (HARC) that is situated on top of the most prominent mountain ranges of eastern Brazil. Our objective was to characterize the humic acids extracted from these pedoenvironments and evaluate the effect of natural paleo-fires on thermogravimetric properties, elemental composition, visible and infrared absorption of humic acids (HA). The high thermostability, low H:C ratio, and abundance in carboxylic groups, suggest that the HARC black soil HA present larger biostability and reactivity. The molecular characteristics indicated that HARC black soil HAs have a great contribution of transformed charred vegetable residues on its origin. This persistence and reactivity of black soil HA explain the capacity of these soils to maintain their cation exchange capacity, since the soil clay fraction is composed predominantly by low activity minerals. |
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Palavras-Chave: |
Black carbon; FTIR. |
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Thesagro: |
Solo Tropical. |
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Thesaurus Nal: |
charcoal; humic acids; tropical soils. |
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Categoria do assunto: |
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P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 01665naa a2200253 a 4500
001 1489148
005 2018-05-29
008 2005 bl uuuu u00u1 u #d
100 1 $aBENITES, V. de M.
245 $aProperties of black soil humic acids from high altitude rocky complexes in Brazil.$h[electronic resource]
260 $c2005
520 $aForty two samples of black soils were collected from superficial horizons of the High Altitude Rocky Complex (HARC) that is situated on top of the most prominent mountain ranges of eastern Brazil. Our objective was to characterize the humic acids extracted from these pedoenvironments and evaluate the effect of natural paleo-fires on thermogravimetric properties, elemental composition, visible and infrared absorption of humic acids (HA). The high thermostability, low H:C ratio, and abundance in carboxylic groups, suggest that the HARC black soil HA present larger biostability and reactivity. The molecular characteristics indicated that HARC black soil HAs have a great contribution of transformed charred vegetable residues on its origin. This persistence and reactivity of black soil HA explain the capacity of these soils to maintain their cation exchange capacity, since the soil clay fraction is composed predominantly by low activity minerals.
650 $acharcoal
650 $ahumic acids
650 $atropical soils
650 $aSolo Tropical
653 $aBlack carbon
653 $aFTIR
700 1 $aMENDONCA, E. de S.
700 1 $aSCHAEFER, C. E. G. R.
700 1 $aNOVOTNY, E. H.
700 1 $aREIS, E. L.
700 1 $aKER, J. C.
773 $tGeoderma, Amsterdam$gv. 127, n. 1/2, p. 104-113, 2005.
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Embrapa Milho e Sorgo (CNPMS) |
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| 7. | | ROSSMANN, M.; PÉREZ-JARAMILLO, J. E.; CHIARAMONTE, J. B.; KAVAMURA, V. N.; DUMACK, K.; FIORE-DONNO, A. M.; MENDES, L. W.; BONKOWSKI, M.; MAUCHLINE, T.; RAAIJMAKERS, J. M.; MENDES, R. Back to the roots: revealing beneficial interactions between the rhizosphere microbiome and wild wheat. In: PLANT MICROBIOME SYMPOSIUM, 2., 2018, Amsterdam. [Abstracts...] Amsterdam: Netherlands Institute of Ecology (NIOO-KNAW), 2018. Ref. P56.| Tipo: Resumo em Anais de Congresso |
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| 8. | | ROSSMANN, M; PÉREZ-JARAMILLO, J. E.; KAVAMURA, V. N.; CHIARAMONTE, J. B.; DUMACK, K.; FIORE-DONNO, A. M.; MENDES, L. W.; FERREIRA, M. M. C.; BONKOWSKI, M.; RAAIJMAKERS, J. M.; MAUCHLINE, T. H.; MENDES, R. Multitrophic interactions in the rhizosphere microbiome of wheat: from bacteria and fungi to protists. FEMS Microbiology Ecology, v. 96, n. 4, 2020. Article fiaa032.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| 9. | | CARRIÓN, V. J.; PEREZ-JARAMILLO, J. E.; CORDOVEZ, V.; TRACANNA, V.; HOLLANDER, M. de; RUIZ-BUCK, D.; MENDES, L. W.; IJCKEN, W. F. J. van; GOMEZ-EXPOSITO, R.; ELSAYED, S. S.; MOHANRAJU, P.; ARIFAH, A.; OOST, J. van der; PAULSON, J. N.; MENDES, R.; WEZEL, G. P. van; MEDEMA, M. H.; RAAIJMAKERS, J. M. Pathogen-induced activation of disease-suppressive functions in the endophytic root microbiome. Science, v. 366, n. 6465, p. 606-612, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
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| Registros recuperados : 9 | |
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