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Registro Completo |
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
12/01/2009 |
Data da última atualização: |
06/04/2022 |
Tipo da produção científica: |
Artigo em Anais de Congresso / Nota Técnica |
Autoria: |
SONG, G.; NOVOTNY, E. H.; HAYES, M. H. B.; AZEVEDO, E. R. de; BONAGAMBA, T. J. |
Afiliação: |
GUIXUE SONG, UNIVERSITY OF LIMERICK; ETELVINO HENRIQUE NOVOTNY, CNPS; MICHAEL H. B. HAYES, UNIVERSITY OF LIMERICK; EDUARDO RIBEIRO DE AZEVEDO, USP; TITO J. BONAGAMBA, USP. |
Título: |
Char and humin fractions in Amazonian dark earths. |
Ano de publicação: |
2008 |
Fonte/Imprenta: |
In: INTERNATIONAL MEETING OF THE INTERNATIONAL HUMIC SUBSTANCES SOCIETY, 14., 2008, Saint Petersburg. From molecular understanding to innovative applications of humic substances: proceedings... Moscow: Lomonosov Moscow State University, 2008. v. 1, p. 311-314. |
Idioma: |
Inglês |
Conteúdo: |
The high and specific SOM contents of the Amazonian Dark Earths (ADE, Terra Preta de Índios), and their high contents of P and Ca provide high natural fertility to the soils. Char or black carbon (B C) plays a major role for the SOM stability in ADE soils (1) and it also provides a significant potential for carbon sequestration and sustainable ecosystems (2). There are several studies of the humic acids (HAs) of ADE soils (e.g., 3 and 4). However, because of the difficulties in isolation, there is less awareness of humin, the most abundant SOM component, and of the interaction mechanisms of recalcitrant BC with SOM (especially humin) and clays. In this study, humic materials were extracted using the IHSS procedure and by exhaustive sequential extraction procedures. Isotopic 13C analyses, and solid-state 13C NMR spectroscopy were used for characterizations. |
Palavras-Chave: |
Amazonian dark earth; black carbon; char; NMR. |
Thesaurus Nal: |
dimethyl sulfoxide; humin; urea. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/334788/1/Char-and-humin-fractions-in-Amazonian-dark-earths-2008.pdf
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Marc: |
LEADER 01721nam a2200241 a 4500 001 1334788 005 2022-04-06 008 2008 bl uuuu u00u1 u #d 100 1 $aSONG, G. 245 $aChar and humin fractions in Amazonian dark earths.$h[electronic resource] 260 $aIn: INTERNATIONAL MEETING OF THE INTERNATIONAL HUMIC SUBSTANCES SOCIETY, 14., 2008, Saint Petersburg. From molecular understanding to innovative applications of humic substances: proceedings... Moscow: Lomonosov Moscow State University, 2008. v. 1, p. 311-314.$c2008 520 $aThe high and specific SOM contents of the Amazonian Dark Earths (ADE, Terra Preta de Índios), and their high contents of P and Ca provide high natural fertility to the soils. Char or black carbon (B C) plays a major role for the SOM stability in ADE soils (1) and it also provides a significant potential for carbon sequestration and sustainable ecosystems (2). There are several studies of the humic acids (HAs) of ADE soils (e.g., 3 and 4). However, because of the difficulties in isolation, there is less awareness of humin, the most abundant SOM component, and of the interaction mechanisms of recalcitrant BC with SOM (especially humin) and clays. In this study, humic materials were extracted using the IHSS procedure and by exhaustive sequential extraction procedures. Isotopic 13C analyses, and solid-state 13C NMR spectroscopy were used for characterizations. 650 $adimethyl sulfoxide 650 $ahumin 650 $aurea 653 $aAmazonian dark earth 653 $ablack carbon 653 $achar 653 $aNMR 700 1 $aNOVOTNY, E. H. 700 1 $aHAYES, M. H. B. 700 1 $aAZEVEDO, E. R. de 700 1 $aBONAGAMBA, T. J.
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1. | | HYERA, E.; NGULUMA, A. S.; NZIKU, Z. C.; SHIRIMA, E. J. M.; MASHINGO, M.-S. H.; LOBO, R. N. B.; GETACHEW, T.; RISCHKOWSKY, B.; HAILE, A. Characterization of Maasai Goats in Extensive Production System in Northern Tanzania: Description of Phenotype, Reproductive and Productive Performance. Journal of Agricultural Science, v. 13, n. 1, 2021. Online PublishedTipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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2. | | NGULUMA, A. S.; HYERA, E.; NZIKU, Z.; SHIRIMA, M.; MASHINGO, M. S. H.; LOBO, R. N. B.; GETACHEW, T.; RISCHKOWSKY, R.; HAILE, A. Characterization of the production system and breeding practicesof indigenous goat keepers in Hai district, Northern Tanzania:implications for community-based breeding program. Tropical Animal Health and Production, v. 52, p. 2955-2967, Jun. 2020.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
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