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144. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | URQUIAGA, S.; ALVES, B. J. R.; JANTALIA, C. P.; SOARES, L. H. B.; BODDEY, R. M. Mudanças ambientais: seqüestro de carbono, gases de efeito estufa e educação ambiental. In: REUNIÃO BRASILEIRA DE MANEJO E CONSERVAÇÃO DO SOLO E DA ÁGUA, 17., 2008, Rio de Janeiro. Manejo e conservação do solo e da água no contexto das mudanças ambientais. Rio de Janeiro: SBCS: Embrapa Solos: Embrapa Agrobiologia, 2008. 6 p. 1 CD-ROM. (Embrapa Solos. Documentos, 101). Biblioteca(s): Embrapa Agrobiologia. |
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150. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | CARDOSO, A. S.; URQUIAGA, S.; ALVES, B. J. R.; BODDEY, R. M.; JANTALIA, C. P. Emissão de metano pelas fezes de bovinos leiteiros, depositadas diretamente em solo de pastagem de Seropédica, RJ. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 33., 2011, Uberlândia. Solos nos biomas brasileiros: sustentabilidade e mudanças climáticas: anais. [Uberlândia]: SBCS: UFU, ICIAG, 2011. Biblioteca(s): Embrapa Agrobiologia. |
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152. | ![Imagem marcado/desmarcado](/consulta/web/img/desmarcado.png) | LESSA, A. C. R.; LENGRUBER, J. A.; URQUIAGA, S.; BODDEY, R. M.; ALVES, B. J. R. Emissão de óxido nitroso de fezes e urina bovina. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 28., REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 12., SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 10., REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 7., 2008, Londrina. FertBio 2008: desafios para o uso do solo com eficiência e qualidade ambiental: anais. Londrina: Embrapa Soja: SBCS: IAPAR, UEL, 2008. 4 p. 1 CD-ROM. Parceria: UFRRJ.
Organizado por: Adilson de Oliveira Júnior, Regina Maria Villas Bôas de Campos Leite, César de Castro, Fábio Álvares de Oliveira; Odilon Ferreira Saraiva. Biblioteca(s): Embrapa Agrobiologia. |
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Agrobiologia. |
Data corrente: |
25/04/2008 |
Data da última atualização: |
25/04/2008 |
Autoria: |
TEIXEIRA, F. C. P.; REINERT, F.; RUMJANEK, N. G.; BODDEY, R. M. |
Título: |
Quantification of the contribution of biological nitrogen fixation to Cratylia mollis using the 15N natural abundance technique in the semi-arid caatinga region of Brazil. |
Ano de publicação: |
2006 |
Fonte/Imprenta: |
Soil Biology & Biochemistry, Oxford, v. 38, n. 7, p. 1989-1993, jul. 2006. |
Idioma: |
Inglês |
Notas: |
Parceria: UFRJ. |
Conteúdo: |
This study was performed to investigate the capacity of the woody perennial Cratylia mollis, a legume endemic to the semi-arid region of the North East of Brazil, to nodulate, and obtain N from BNF using the 15N natural abundance technique. To estimate the 15N abundance of the N-derived from soil, the leaves of several (4?6) non-legume and non-nodulating legume species growing in close proximity to the Cratylia were analysed for ?15N. The ?15N values of these reference plants were high (from +9 to +16?) and showed relatively small differences between species at each site/sampling time. At the irrigated site at both samplings, and at the non-irrigated site sampled in the rainy season, the 15N abundance of the Cratylia mollis leaves was far lower (+1 to +5?) strongly suggesting that the legume obtained large proportional contributions from BNF. As was to be expected, no nodules were found on the Cratylia plants at the non-irrigated site in the dry season, and the 15N abundance of the Cratylia mollis plants were very similar to that of the reference plants, consistent and nodulation and BNF being limited by water deficit at this time. |
Palavras-Chave: |
FBN; Fixação biológica de nitrogênio. |
Thesagro: |
Caatinga; Cratylia mollis. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01874naa a2200217 a 4500 001 1629857 005 2008-04-25 008 2006 bl --- 0-- u #d 100 1 $aTEIXEIRA, F. C. P. 245 $aQuantification of the contribution of biological nitrogen fixation to Cratylia mollis using the 15N natural abundance technique in the semi-arid caatinga region of Brazil. 260 $c2006 500 $aParceria: UFRJ. 520 $aThis study was performed to investigate the capacity of the woody perennial Cratylia mollis, a legume endemic to the semi-arid region of the North East of Brazil, to nodulate, and obtain N from BNF using the 15N natural abundance technique. To estimate the 15N abundance of the N-derived from soil, the leaves of several (4?6) non-legume and non-nodulating legume species growing in close proximity to the Cratylia were analysed for ?15N. The ?15N values of these reference plants were high (from +9 to +16?) and showed relatively small differences between species at each site/sampling time. At the irrigated site at both samplings, and at the non-irrigated site sampled in the rainy season, the 15N abundance of the Cratylia mollis leaves was far lower (+1 to +5?) strongly suggesting that the legume obtained large proportional contributions from BNF. As was to be expected, no nodules were found on the Cratylia plants at the non-irrigated site in the dry season, and the 15N abundance of the Cratylia mollis plants were very similar to that of the reference plants, consistent and nodulation and BNF being limited by water deficit at this time. 650 $aCaatinga 650 $aCratylia mollis 653 $aFBN 653 $aFixação biológica de nitrogênio 700 1 $aREINERT, F. 700 1 $aRUMJANEK, N. G. 700 1 $aBODDEY, R. M. 773 $tSoil Biology & Biochemistry, Oxford$gv. 38, n. 7, p. 1989-1993, jul. 2006.
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