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Registro Completo |
Biblioteca(s): |
Embrapa Agrossilvipastoril. |
Data corrente: |
05/02/2014 |
Data da última atualização: |
05/02/2014 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
MELLO, A. C. T. de; CARNEVALLI, R. A.; CRESTANI, S.; SILVA, G. R. da; FLORENTINO, J. M. P. |
Afiliação: |
ROBERTA APARECIDA CARNEVALLI, CPAMT. |
Título: |
Aproveitamento de forragem do capim piatã em sistemas integrados de produção de leite |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
In: JORNADA CIENTÍFICA DA EMBRAPA AGROSSILVIPASTORIL, 2.,2013, Sinop. Anais... Sinop, MT: Embrapa Agrossilvipastoril, 2013. 1 CD. |
ISBN: |
978-85-7035-221-7 |
Idioma: |
Português |
Palavras-Chave: |
Capim Piatã; Sistemas Integrados. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00669nam a2200181 a 4500 001 1978708 005 2014-02-05 008 2013 bl uuuu u01u1 u #d 020 $a978-85-7035-221-7 100 1 $aMELLO, A. C. T. de 245 $aAproveitamento de forragem do capim piatã em sistemas integrados de produção de leite$h[electronic resource] 260 $aIn: JORNADA CIENTÍFICA DA EMBRAPA AGROSSILVIPASTORIL, 2.,2013, Sinop. Anais... Sinop, MT: Embrapa Agrossilvipastoril, 2013. 1 CD.$c2013 653 $aCapim Piatã 653 $aSistemas Integrados 700 1 $aCARNEVALLI, R. A. 700 1 $aCRESTANI, S. 700 1 $aSILVA, G. R. da 700 1 $aFLORENTINO, J. M. P.
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Solos. Para informações adicionais entre em contato com cnps.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Solos. |
Data corrente: |
09/01/2017 |
Data da última atualização: |
09/11/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
CARVALHO FILHO, A. de; INDA, A. V.; FINK, J. R.; CURI, N. |
Afiliação: |
AMAURY DE CARVALHO FILHO, CNPS; ALBERTO VASCONCELLOS INDA, UFRGS; JESSÉ RODRIGO FINK, UFRGS; NILTON CURI, UFLA. |
Título: |
Iron oxides in soils of different lithological origins in Ferriferous Quadrilateral (Minas Gerais, Brazil). |
Ano de publicação: |
2015 |
Fonte/Imprenta: |
Applied Clay Science, v. 118, p. 1-7, Dec. 2015. |
DOI: |
https://doi.org/10.1016/j.clay.2015.08.037 |
Idioma: |
Inglês |
Conteúdo: |
Different environmental conditions also lead to the formation of different pedogenic iron oxides, influencing soil chemistry. We examined the chemistry and mineralogical composition including various crystallographic parameters of pedogenic iron oxides of soils developed from itabirite, ferruginous dolomite, serpentinite and other parent materials. The low SiO2 contents relative to Al2O3 and Fe2O3 suggest strong desilication by the effect of the environmental conditions for all soils. The main pedogenic iron oxides were hematite and goethite, followed by maghemite. The small crystal size of goethite resulted in an increased specific surface area; also, isomorphic substitution of aluminum in goethite differed with the parent material. The highest content of soil Fe2O3 from sulfuric acid digestion found here was 701 g kg- 1, which was the highest value registered in the world literature with this methodology, according to the author's knowledge. The Fed content in the soils was strongly influenced by the parent material, with hematite being the more abundant iron oxide. Al-substitution indicated that hematite formation occurred in a different pedoenviroment than for goehtite. These results suggest that the effects of parent material on soil properties are important for both well weathered soils and little-leached soils, determining their drainage, P adsorption and capacity of trace element accumulation. |
Palavras-Chave: |
Espectroscopia de difração de raios X; Mineralogia do solo. |
Thesaurus NAL: |
Soil mineralogy. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 02103naa a2200205 a 4500 001 2060177 005 2021-11-09 008 2015 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1016/j.clay.2015.08.037$2DOI 100 1 $aCARVALHO FILHO, A. de 245 $aIron oxides in soils of different lithological origins in Ferriferous Quadrilateral (Minas Gerais, Brazil).$h[electronic resource] 260 $c2015 520 $aDifferent environmental conditions also lead to the formation of different pedogenic iron oxides, influencing soil chemistry. We examined the chemistry and mineralogical composition including various crystallographic parameters of pedogenic iron oxides of soils developed from itabirite, ferruginous dolomite, serpentinite and other parent materials. The low SiO2 contents relative to Al2O3 and Fe2O3 suggest strong desilication by the effect of the environmental conditions for all soils. The main pedogenic iron oxides were hematite and goethite, followed by maghemite. The small crystal size of goethite resulted in an increased specific surface area; also, isomorphic substitution of aluminum in goethite differed with the parent material. The highest content of soil Fe2O3 from sulfuric acid digestion found here was 701 g kg- 1, which was the highest value registered in the world literature with this methodology, according to the author's knowledge. The Fed content in the soils was strongly influenced by the parent material, with hematite being the more abundant iron oxide. Al-substitution indicated that hematite formation occurred in a different pedoenviroment than for goehtite. These results suggest that the effects of parent material on soil properties are important for both well weathered soils and little-leached soils, determining their drainage, P adsorption and capacity of trace element accumulation. 650 $aSoil mineralogy 653 $aEspectroscopia de difração de raios X 653 $aMineralogia do solo 700 1 $aINDA, A. V. 700 1 $aFINK, J. R. 700 1 $aCURI, N. 773 $tApplied Clay Science$gv. 118, p. 1-7, Dec. 2015.
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