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| 141. |  | SILVA, L. G. da; MENDES, I. de C.; REIS JÚNIOR, F. B. dos; FERNANDES, M.; MELO, J. T. de; KATO, E. Atributos físicos, químicos e biológicos de um Latossolo de Cerrado sob cultivo de espécies florestais. In: SIMPÓSIO NACIONAL CERRADO, 9.; SIMPÓSIO INTERNACIONAL SAVANAS TROPICAIS, 2., 2008, Brasília, DF. Desafios e estratégias para o equilíbrio entre sociedade, agronegócio e recursos naturais: anais... Planaltina, DF: Embrapa Cerrados, 2008. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 142. | | SILVA, L. G. da; MENDES, I. de C.; REIS JUNIOR, F. B. dos; FERNANDES, M. F.; MELO, J. T. de; KATO, E. Atributos físicos, químicos e biológicos de um latossolo de cerrado sob plantio de espécies florestais. Planaltina, DF: Embrapa Cerrados, 2009. 22 p. (Embrapa Cerrados. Boletim de Pesquisa e Desenvolvimento, 256).| Biblioteca(s): Embrapa Cerrados; Embrapa Tabuleiros Costeiros. |
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| 143. | | ALVES, G. C.; SANTOS, C. L. R. dos; ZILLI, J. E.; REIS JUNIOR, F. B. dos; MARRIEL, I. E.; URQUIAGA, S.; BODDEY, R. M.; REIS, V. M. Agronomic evaluation of Herbaspirillum seropedicae as inoculant that improves maize yields in Brazil. In: SYMPOSIUM ON BIOLOGICAL NITROGEN FIXATION, 16.; LATINAMERICAN WORKSHOP OF PGPR, 4.; RELARE, 19., 2018, Foz do Iguaçu. Book of abstract....Foz do Iguaçu: Embrapa, 2018. p. 76 ASession 6, Poster VI.25| Biblioteca(s): Embrapa Agrobiologia. |
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| 144. | | SCHLEMMER, F.; SOUZA, L. M. DE; RIBEIRO, M. R.; LOPES, A. S.; FERNANDES, M. F.; MENDES, I. de C.; REIS JUNIOR, F. B. dos. Atributos químicos, físicos e biológicos para comparação dos sistemas de plantio direto e convencional em um latossolo vermelho amarelo de cerrado cultivado com soja e milho. In: REUNIÃO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRIÇÃO DE PLANTAS, 29.; REUNIÃO BRASILEIRA SOBRE MICORRIZAS, 13.; SIMPÓSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 11.; REUNIÃO BRASILEIRA DE BIOLOGIA DO SOLO, 8., 2010, Guarapari. Fontes de nutrientes e produção agrícola: modelando o futuro: anais. 1 CD-ROM. FERTBIO 2010| Biblioteca(s): Embrapa Cerrados. |
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| 148. | | MEGÍAS, M. E.; PIRES, R. C.; MOYANO, I.; REIS JUNIOR, F. B. dos; OLLERO, F. J.; SIMON, M.; ZILLI, J. E.; MEGÍAS, M. Identification and characterization of rhizobia isolated from nodules of Mimosa spp.which efficiently nodulate Phaseolus vulgaris. In: INTERNATIONAL CONGRESS ON NITROGEN FIXATION, 20., 2017, Granada, Spain. Proceedings... Granada:University of Granada, 2017. p. 91| Biblioteca(s): Embrapa Agrobiologia. |
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| 149. | | ROLIM, L.; SANTIAGO, T. R.; REIS JUNIOR, F. B. dos; MENDES, I. de C.; DO VALE, H. M. M.; HUNGRIA, M.; SILVA, L. P. Identification of soybean Bradyrhizobium strains used in commercial inoculants in Brazil by MALDI-TOF mass spectrometry. Brazilian Journal of Microbiology, v. 50, n. 4, p. 905-914, 2019.| Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia; Embrapa Soja. |
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| 150. | | LOPES, A. A. DE C.; NUNES, R. DE S.; SOUSA, D. M. G. de; PEREIRA, C. D.; REIS JUNIOR, F. B. dos; MENDES, I. de C. Glomalina, atividade de fosfatase ácida e matéria orgânica em um latossolo vermelho sob vegetação nativa de cerrado e sob diferentes sistemas de preparo e doses de fósforo. In: CONGRESSO BRASILEIRO DE CIÊNCIA DO SOLO, 33., 2011, Uberlândia. Solos nos biomas brasileiros: sustentabilidade e mudanças climáticas. Uberlândia: Sociedade Brasileira de Ciência do Solo, 2011. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 151. | | JAMES, E. K.; OLIVARES, F. L.; OLIVEIRA, A. L. M. de; REIS JÚNIOR, F. B. dos; SILVA, L. G. da; REIS, V. M. Further observations on the interaction between sugar can and Gluconacetobacter diazotrophicus under laboratory and greenhouse conditions. Journal of Experimental Botany, London, v. 52, n. 357, p. 747-760, apr. 2001.| Biblioteca(s): Embrapa Agrobiologia. |
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| 152. | | MERCANTE, F. M.; MENDES, I. de C.; HUNGRIA, M.; SILVA, R. F. da; REIS JUNIOR, F. B. dos; NOGUEIRA, M. A. Funcionamento biológico do solo em diferentes sistemas de manejo da cana-de-açúcar. In: SILVA, F. C. da; ALVES, B. J. R.; FREITAS, P. L. de (Ed.). Sistema de produção mecanizada da cana-de-açúcar integrada à produção de energia e alimentos. Brasília, DF: Embrapa, 2017. v. 2, pt. 5, cap. 2. Fábio Martins Mercante (in memoriam).| Biblioteca(s): Embrapa Soja. |
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| 153. | | BAPTISTA, M. J.; REIS JUNIOR, F. B. dos; XAVIER, G. R.; ALCÂNTARA, C. de; OLIVEIRA, A. R. de; SOUZA, R. B. de; LOPES, C. A. Eficiência da solarização e biofumigação do solo no controle da murcha-bacteriana do tomateiro no campo. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 42, n. 7, p. 933-938, jul. 2007.| Biblioteca(s): Embrapa Agrobiologia; Embrapa Cerrados; Embrapa Hortaliças; Embrapa Unidades Centrais. |
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| 155. | | SCHLEMMER, F.; ALENCAR, P. M.; LOPES, A. A. de C.; PASSOS, S. R.; XAVIER, G. R.; FERNANDES, M. F.; MENDES, I. de C.; REIS JUNIOR, F. B. dos. Estrutura genética e metabólica das comunidades bacterianas de um latossolo vermelho-amarelo sob cerrado nativo e cultivado com milho e soja sob plantio direto e plantio convencional. In: CONGRESSO BRASILEIRO DE MICROBIOLOGIA, 25., 2009, Porto de Galinhas, PE. Resumos... São Paulo: Sociedade Brasileira de Microbiologia, 2009. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 159. | | PIRES, R. de C.; REIS JUNIOR, F. B. dos; ZILLI, J. E.; FISCHER, D.; HOFMANN, A.; JAMES, E. K.; SIMON, M. F. Soil characteristics determine the rhizobia in association with different species of Mimosa in central Brazil. Plant Soil, v. 423, n. 1-2, p. 411-428, 2018.| Biblioteca(s): Embrapa Agrobiologia; Embrapa Cerrados; Embrapa Recursos Genéticos e Biotecnologia. |
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| 160. | | RODRIGUES, R. N.; REIS JUNIOR, F. B. dos; LOPES, A. A. de C.; ROCHA, O. C.; GUERRA, A. F.; VEIGA, A. D.; MENDES, I. de C. Soil enzymatic activity under coffee cultivation with different water regimes associated to liming and intercropped brachiaria. Ciência Rural, v. 52, n. 3, e20200532, 2022.| Biblioteca(s): Embrapa Cerrados. |
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| Registros recuperados : 273 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
26/02/2001 |
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Data da última atualização: |
26/02/2001 |
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Autoria: |
REIS, V. M.; REIS JÚNIOR, F. B. dos; QUESADA, D. M.; OLIVEIRA, O. C. de; ALVES, B. J. R.; URQUIAGA, S.; BODDEY, R. M. |
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Título: |
Biological nitrogen fixation associated with tropical pasture grasses. |
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Ano de publicação: |
2001 |
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Fonte/Imprenta: |
Australian Journal of Plant Physiology, Victoria, v. 28, n. 9, p. 837-844, 2001. |
|
Idioma: |
Inglês |
|
Conteúdo: |
The semi-humid or humid tropics are ideal for the production of large quantities of biomass from fast-growing C4 grasses, but high yields normally require large quantities of fertiliser, especially N, which has a very high input from fossil fuels (natural gas). A program has been started recently to use elephant grass (Pennísetum purpureum Schum.) to substitutefirewood as a fuel and also to make charcoal for iron production. In this case, any large N fertiliser additions would mean that the yield of bio fuel per unit of fossil fuel invested would bc detrimentally affected. In this study, we report on the potential for the selection of genotypes of fast-growing C4 tropical grasses of the genera Pennisetum and Brachiaria for their capacity to obtain N inputs from plant-associated biological nitrogen fixation (BNF). Fourteen genotypes each of Brachiaria and Pennisetum were screened for BNF contributions by growing them in 15N-labelled soil. In the case of the Pennisetum, after a suitable cuning height for the crop had been selected, there were large differences in dry matter production, N accumulation and 15N enrichment. The differences in 15N enrichment between genotypes were statistically significant and BNF inputs were estimated as high as 41% of accumulated N. In the study on Brachiaria genotypes, potential inputs of BNF seemed lower. Only one or two genotypes of B. brizantha and B. ruziziensis obtained more then 20% of their N from BNF. The N2-fixing bacteria that were most commonly associated with shoots and roots the Pennísetum genotypes were of the genus Herbaspirillum, but predominantly of a recently described new species. The Brachíaria spp. from three different sites! Rio de Janeiro, Goânia, Bahia) were predominately colonised by Azospirillum spp., most of the isolates being of the species Azospirillum amazonense. Very few Herbaspirilla were isolated from these plants. MenosThe semi-humid or humid tropics are ideal for the production of large quantities of biomass from fast-growing C4 grasses, but high yields normally require large quantities of fertiliser, especially N, which has a very high input from fossil fuels (natural gas). A program has been started recently to use elephant grass (Pennísetum purpureum Schum.) to substitutefirewood as a fuel and also to make charcoal for iron production. In this case, any large N fertiliser additions would mean that the yield of bio fuel per unit of fossil fuel invested would bc detrimentally affected. In this study, we report on the potential for the selection of genotypes of fast-growing C4 tropical grasses of the genera Pennisetum and Brachiaria for their capacity to obtain N inputs from plant-associated biological nitrogen fixation (BNF). Fourteen genotypes each of Brachiaria and Pennisetum were screened for BNF contributions by growing them in 15N-labelled soil. In the case of the Pennisetum, after a suitable cuning height for the crop had been selected, there were large differences in dry matter production, N accumulation and 15N enrichment. The differences in 15N enrichment between genotypes were statistically significant and BNF inputs were estimated as high as 41% of accumulated N. In the study on Brachiaria genotypes, potential inputs of BNF seemed lower. Only one or two genotypes of B. brizantha and B. ruziziensis obtained more then 20% of their N from BNF. The N2-fixing bacteria that were mos... Mostrar Tudo |
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Palavras-Chave: |
Biological nitrogen fixation; BNF; Elephant grass; FBN; Fixação biológica de nitrogênio. |
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Thesagro: |
Capim Elefante; Gramínea Tropical; Pennisetum Purpureum. |
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Thesaurus NAL: |
grasses. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02777naa a2200301 a 4500
001 1598478
005 2001-02-26
008 2001 bl --- 0-- u #d
100 1 $aREIS, V. M.
245 $aBiological nitrogen fixation associated with tropical pasture grasses.
260 $c2001
520 $aThe semi-humid or humid tropics are ideal for the production of large quantities of biomass from fast-growing C4 grasses, but high yields normally require large quantities of fertiliser, especially N, which has a very high input from fossil fuels (natural gas). A program has been started recently to use elephant grass (Pennísetum purpureum Schum.) to substitutefirewood as a fuel and also to make charcoal for iron production. In this case, any large N fertiliser additions would mean that the yield of bio fuel per unit of fossil fuel invested would bc detrimentally affected. In this study, we report on the potential for the selection of genotypes of fast-growing C4 tropical grasses of the genera Pennisetum and Brachiaria for their capacity to obtain N inputs from plant-associated biological nitrogen fixation (BNF). Fourteen genotypes each of Brachiaria and Pennisetum were screened for BNF contributions by growing them in 15N-labelled soil. In the case of the Pennisetum, after a suitable cuning height for the crop had been selected, there were large differences in dry matter production, N accumulation and 15N enrichment. The differences in 15N enrichment between genotypes were statistically significant and BNF inputs were estimated as high as 41% of accumulated N. In the study on Brachiaria genotypes, potential inputs of BNF seemed lower. Only one or two genotypes of B. brizantha and B. ruziziensis obtained more then 20% of their N from BNF. The N2-fixing bacteria that were most commonly associated with shoots and roots the Pennísetum genotypes were of the genus Herbaspirillum, but predominantly of a recently described new species. The Brachíaria spp. from three different sites! Rio de Janeiro, Goânia, Bahia) were predominately colonised by Azospirillum spp., most of the isolates being of the species Azospirillum amazonense. Very few Herbaspirilla were isolated from these plants.
650 $agrasses
650 $aCapim Elefante
650 $aGramínea Tropical
650 $aPennisetum Purpureum
653 $aBiological nitrogen fixation
653 $aBNF
653 $aElephant grass
653 $aFBN
653 $aFixação biológica de nitrogênio
700 1 $aREIS JÚNIOR, F. B. dos
700 1 $aQUESADA, D. M.
700 1 $aOLIVEIRA, O. C. de
700 1 $aALVES, B. J. R.
700 1 $aURQUIAGA, S.
700 1 $aBODDEY, R. M.
773 $tAustralian Journal of Plant Physiology, Victoria$gv. 28, n. 9, p. 837-844, 2001.
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