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Registro Completo |
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Biblioteca(s): |
Embrapa Soja; Embrapa Suínos e Aves. |
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Data corrente: |
09/07/2013 |
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Data da última atualização: |
02/10/2013 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOUZA, R. C.; CANTAO, M. E.; VASCONCELOS, A. T. R.; NOGUEIRA, M. A.; HUNGRIA, M. |
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Afiliação: |
RENATA CAROLINI SOUZA, UEL; MAURICIO EGIDIO CANTAO, CNPSA; ANA TEREZA RIBEIRO VASCONCELOS, LNCC; MARCO ANTONIO NOGUEIRA, CNPSO; MARIANGELA HUNGRIA DA CUNHA, CNPSO. |
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Título: |
Soil metagenomics reveals differences under conventional and no-tillage with crop rotation or succession. |
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Ano de publicação: |
2013 |
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Fonte/Imprenta: |
Applied Soil Ecology, v. 72, p. 49-61, Oct. 2013. |
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DOI: |
10.1016/j.apsoil.2013.05.021 |
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Idioma: |
Inglês |
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Conteúdo: |
Soil conservation practices are critical for agricultural sustainability, and in this study the shotgunsequencing approach was used to investigate the effects on soil biodiversity of different soil- andcrop-management practices in a 13-year field trial in southern Brazil. Treatments consisted of conven-tional tillage (CT) with plowing and disking, or no-tillage (NT) with direct sowing into the residues ofprevious crops, in a crop succession [soybean (summer)/wheat (winter)] or rotation [soybean/maize(summer)/wheat/lupine/oat (winter)]. About 1 million reads per treatment revealed very high levels ofdiversity. The majority of the sequences were attributed to the Bacteria (54%), and 0.3% and 0.2% fittedinto Archaea and Eucarya domains, respectively; 46% showed no similarity with any known sequences.Major differences were associated with tillage and, to a lesser extent, with crop management. Statisticallysignificant higher abundances with CT encompassed microorganisms associated with residue decompo-sition, carbon and nitrogen cycling, and xenobiosis. Eucarya were also more abundant with CT, possiblyrelated to higher tolerance of environmental stresses. In contrast, NT showed higher abundances par-ticularly of nitrogen-fixing Rhizobiales and Archaea that inhabit environments rich in organic matter. |
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Palavras-Chave: |
Solos. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/85755/1/soil.meta.pdf
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Marc: |
LEADER 01916naa a2200193 a 4500
001 1967548
005 2013-10-02
008 2013 bl uuuu u00u1 u #d
024 7 $a10.1016/j.apsoil.2013.05.021$2DOI
100 1 $aSOUZA, R. C.
245 $aSoil metagenomics reveals differences under conventional and no-tillage with crop rotation or succession.$h[electronic resource]
260 $c2013
520 $aSoil conservation practices are critical for agricultural sustainability, and in this study the shotgunsequencing approach was used to investigate the effects on soil biodiversity of different soil- andcrop-management practices in a 13-year field trial in southern Brazil. Treatments consisted of conven-tional tillage (CT) with plowing and disking, or no-tillage (NT) with direct sowing into the residues ofprevious crops, in a crop succession [soybean (summer)/wheat (winter)] or rotation [soybean/maize(summer)/wheat/lupine/oat (winter)]. About 1 million reads per treatment revealed very high levels ofdiversity. The majority of the sequences were attributed to the Bacteria (54%), and 0.3% and 0.2% fittedinto Archaea and Eucarya domains, respectively; 46% showed no similarity with any known sequences.Major differences were associated with tillage and, to a lesser extent, with crop management. Statisticallysignificant higher abundances with CT encompassed microorganisms associated with residue decompo-sition, carbon and nitrogen cycling, and xenobiosis. Eucarya were also more abundant with CT, possiblyrelated to higher tolerance of environmental stresses. In contrast, NT showed higher abundances par-ticularly of nitrogen-fixing Rhizobiales and Archaea that inhabit environments rich in organic matter.
653 $aSolos
700 1 $aCANTAO, M. E.
700 1 $aVASCONCELOS, A. T. R.
700 1 $aNOGUEIRA, M. A.
700 1 $aHUNGRIA, M.
773 $tApplied Soil Ecology$gv. 72, p. 49-61, Oct. 2013.
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Registro original: |
Embrapa Suínos e Aves (CNPSA) |
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| 1. |  | FERNANDES JÚNIOR, G. A.; LOBO, R. N. B.; VIEIRA, L. da S.; FACO, O.; ALBUQUERQUE, F. H. M. A. R. de; LOBO, A. M. B. O. Avaliação de características de crescimento em diferentes grupos genéticos de cordeiros terminados em pastagem irrigada no semiárido Nordestino. In: SIMPÓSIO INTERNACIONAL SOBRE CAPRINOS E OVINOS DE CORTE, 5.; FEIRA NACIONAL DO AGRONEGÓCIO DA CAPRINO-OVINOCULTURA DE CORTE, 3., 2011, João Pessoa. [Anais...]. João Pessoa: [SEBRAE-PB]; EMEPA-PB, 2011. 3 f. 1 CD ROM.| Tipo: Artigo em Anais de Congresso |
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