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Registro Completo |
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
19/11/2002 |
Data da última atualização: |
04/08/2005 |
Autoria: |
BURLE, M. L.; VALLS, J. F. M. |
Título: |
Ecogeografia de especies silvestres de Arachis no Brasil: analise atraves de mapas ambientais em SIG. |
Ano de publicação: |
1997 |
Fonte/Imprenta: |
In: SIMPÓSIO LATINO-AMERICANO DE RECURSOS GENÉTICOS VEGETAIS, 1., 1997, Campinas, SP. Programa e resumos. Campinas: IAC; Brasília: EMBRAPA-CENARGEN, 1997. |
Páginas: |
p. 35-36. |
Idioma: |
Português |
Palavras-Chave: |
Brasil; Sistema de informacoes geograficas. |
Thesaurus Nal: |
Arachis. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00598nam a2200157 a 4500 001 1184108 005 2005-08-04 008 1997 bl uuuu u01u1 u #d 100 1 $aBURLE, M. L. 245 $aEcogeografia de especies silvestres de Arachis no Brasil$banalise atraves de mapas ambientais em SIG. 260 $aIn: SIMPÓSIO LATINO-AMERICANO DE RECURSOS GENÉTICOS VEGETAIS, 1., 1997, Campinas, SP. Programa e resumos. Campinas: IAC; Brasília: EMBRAPA-CENARGEN$c1997 300 $ap. 35-36. 650 $aArachis 653 $aBrasil 653 $aSistema de informacoes geograficas 700 1 $aVALLS, J. F. M.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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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: |
BYRNE, C. M.; NOVOTNY, E. H.; HATCHER, P. G.; HAYES, M. H. B. |
Afiliação: |
CORINNA M. BYRNE, UNIVERSITY OF LIMERICK; ETELVINO HENRIQUE NOVOTNY, CNPS; PATRICK G. HATCHER, OLD DOMINION UNIVERSITY; MICHAEL H. B. HAYES, UNIVERSITY OF LIMERICK. |
Título: |
Insights into the composition of humin from an irish grassland soil. |
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. 51-54. |
Idioma: |
Inglês |
Conteúdo: |
Humin is defined as the fraction of the humic substances (HS) that is insoluble in aqueous solution at any pH value (1). Because of its insolubility it has been the least studied of all the humic fractions (2). Humin typically represents more than 50% of the organic carbon (C) in a soil, and is regarded as the residual organic C that remains after extraction of the HAs and FAs (3). Based on data from solid-state 13C Nuclear Magnetic Resonance (NMR) spectroscopy, it has been concluded that a repeating aliphatic structural unit, possibly attributable to branched and cross-linked algal or microbial lipids, are common to both sediment and soil humin samples (4). Humin becomes enriched in these aliphatic substances because of their selective preservation during organic diagenesis (2). To investigate the composition of humin, The Clonakilty soil, a well drained Brown Podzolic soil in grassland lysimeter studies at the Teagasc Soils Research Centre, Johnstown Castle, Co. Wexford, Ireland and was used in the present study. |
Palavras-Chave: |
NMR. |
Thesaurus NAL: |
humic substances; humin; spectroscopy. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/334738/1/Insights-into-the-composition-of-humin-from-an-Irish-grassland-soil-2008.pdf
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Marc: |
LEADER 01785nam a2200193 a 4500 001 1334738 005 2022-04-06 008 2008 bl uuuu u00u1 u #d 100 1 $aBYRNE, C. M. 245 $aInsights into the composition of humin from an irish grassland soil.$h[electronic resource] 260 $aIn: INTERNATIONAL MEETING OF THE INTERNATIONAL HUMIC SUBSTANCES SOCIETY, 14., 2008, Saint Petersburg. From molecular understanding to innovative applications of humic substances: proceedings... Moscow: Lomonosov Moscow State University, 2008. v. 1, p. 51-54.$c2008 520 $aHumin is defined as the fraction of the humic substances (HS) that is insoluble in aqueous solution at any pH value (1). Because of its insolubility it has been the least studied of all the humic fractions (2). Humin typically represents more than 50% of the organic carbon (C) in a soil, and is regarded as the residual organic C that remains after extraction of the HAs and FAs (3). Based on data from solid-state 13C Nuclear Magnetic Resonance (NMR) spectroscopy, it has been concluded that a repeating aliphatic structural unit, possibly attributable to branched and cross-linked algal or microbial lipids, are common to both sediment and soil humin samples (4). Humin becomes enriched in these aliphatic substances because of their selective preservation during organic diagenesis (2). To investigate the composition of humin, The Clonakilty soil, a well drained Brown Podzolic soil in grassland lysimeter studies at the Teagasc Soils Research Centre, Johnstown Castle, Co. Wexford, Ireland and was used in the present study. 650 $ahumic substances 650 $ahumin 650 $aspectroscopy 653 $aNMR 700 1 $aNOVOTNY, E. H. 700 1 $aHATCHER, P. G. 700 1 $aHAYES, M. H. B.
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