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| Registros recuperados : 254 | |
| 105. |  | MENDES, I. de C.; REIS JUNIOR, F. B. dos; HUNGRIA, M. Soybean yield and nodule occupancy as a function of yearly inoculation in the Brazilian Cerrados. In.: IBEROAMERICAN CONFERENCE ON BENEFICIAL PLANT - MICROORGANISM - ENVIRONMENT INTERACTIONS, 2.; NATIONAL MEETING OF THE SPANISH SOCIETY OF NITROGEN FIXATION, 14.; LATIN AMERICAN MEETING ON RHIZOBIOLOGY, 26.; SPANISH-PORTUGUESE CONGRESS ON NITROGEN FIXATION, 3., 2013, Sevilla. Microorganisms for future agriculture. Sevilla: Universidad de Sevilla; ALAR; SEFIN, 2013. p. 457-458.| Biblioteca(s): Embrapa Cerrados. |
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| 106. | | PEREIRA NETO, J. V.; MENDES, I. de C.; REIS JÚNIOR, F. B. dos. Variação do carbono prontamente mineralizável e do C da biomassa microbiana, em latossolos de cerrado, sob plantio direto, plantio convencional e cerrado nativo. In: CONGRESSO DE INICIAÇÃO CIENTÍFICA DA UNIVERSIDADE DE BRASÍLIA, 8., 2002, Brasília, DF. Anais. Brasília: UnB, 2002. 1 CD-ROM.| Biblioteca(s): Embrapa Cerrados. |
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| 107. | | PEREIRA NETO, J. V.; MENDES, I. de C.; REIS JUNIOR, F. B. dos. Variacao mensal dos teores de carbono da biomassa microbiana num nivel de cerrado sob plantio direto, plantio convencional e vegetacao nativa. In: REUNIAO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRICAO DE PLANTAS, 25.; REUNIAO BRASILEIRA SOBRE MICORRIZAS, 9.; SIMPOSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 7.; REUNIAO BRASILEIRA DE BIOLOGIA DO SOLO, 4., 2002, Rio de Janeiro. FertBio 2002: agricultura: bases ecologicas para o desenvolvimento social e economico sustentado. Rio de Janeiro: [s. n.], 2002.| Biblioteca(s): Embrapa Cerrados. |
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| 110. | | MENDES, I. de C.; REIS JUNIOR, F. B. dos; CHAER, G. M.; TORESANI, S.; FERRERAS, L. A. Bioindicadores de calidad de suelo: utopia o realidad? In: CONGRESSO ARGENTINO DE LA CIENCIA DEL SUELO, 22., 2010, Rosario, AR. El suelo pilar de la agroindustria en la pampa Argentina: trabajos, comunicaciones, ponencias, conferencias, mesas redondas y taller interlaboratorio. Rosario: Associación Argentina de la Ciencia del Suelo, 2010.| Biblioteca(s): Embrapa Agrobiologia. |
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| 111. | | MENDES, I. de C.; REIS JÚNIOR, F. B. dos; HUNGRIA, M.; SOUSA, D. M. G. de; CAMPO, R. J. Adubação nitrogenada suplementar tardia em soja cultivada em latossolos do Cerrado. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 43, n. 8, p. 1053-1060, 2008.| Biblioteca(s): Embrapa Cerrados; Embrapa Soja; Embrapa Unidades Centrais. |
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| 114. | | REIS JUNIOR, F. B. dos; MACHADO, C. T. T.; MACHADO, A. T.; MENDES, I. de C.; ROLIM, L. Bacterias diazotroficas e fungos microrrizicos associados a diferentes variedades de milho sob niveis de adubacao nitrogenada. In: REUNIAO BRASILEIRA DE FERTILIDADE DO SOLO E NUTRICAO DE PLANTAS, 26.; REUNIAO BRASILEIRA SOBRE MICORRIZAS, 10.; SIMPOSIO BRASILEIRO DE MICROBIOLOGIA DO SOLO, 8.; REUNIAO BRASILEIRA DE BIOLOGIA DO SOLO, 5., 2004, Lages, SC. FertBio 2004: avaliacao das conquistas: bases para estrategias futuras. Lages: [s. n.], 2004. nao paginado.| Biblioteca(s): Embrapa Cerrados. |
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| 118. | | MENDES, I. de C.; SILVA, L. G. da; REIS JÚNIOR, F. B. dos; TÓTOLA, M. R.; VILELA, L. Cálculo de um índice de qualidade do solo para diferentes agroecossistemas do Cerrado. 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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| 120. | | SOUZA, L. M. de; SOUSA, D. M. G. de; REIS JUNIOR, F. B. dos; MENDES, I. de C. Carbono da biomassa microbiana em Latossolos determinado por oxidação úmida e combustão a temperatura elevada. Microbial biomass carbon in Oxisol determined by wet oxidation and combustion at high temperature Pesquisa Agropecuária Brasileira, Brasília, DF, v. 50, n. 11, p. 1061-1070, nov. 2015.| Biblioteca(s): Embrapa Cerrados; Embrapa Unidades Centrais. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia; Embrapa Cerrados. |
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Data corrente: |
15/09/2010 |
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Data da última atualização: |
15/09/2010 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
PEIXOTO, R. S.; CHAER, G. M.; FRANCO, N.; REIS JUNIOR, F. B. dos; MENDES, I. de C.; ROSADO, A. S. |
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Afiliação: |
RAQUEL. S. PEIXOTO, UFRJ; GUILHERME MONTANDON CHAER, CNPAB; N. FRANCO, UFRJ; FABIO BUENO DOS REIS JUNIOR, CPAC; IEDA DE CARVALHO MENDES, CPAC; A. S. ROSADO, UFRJ. |
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Título: |
A decade of land use contributes to changes in the chemistry, biochemistry and bacterial community structures of soils in the Cerrado. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Antonie van Leeuwenhoek, v. 98, n. 3, p. 403-413, 2010. |
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Idioma: |
Inglês |
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Conteúdo: |
The bacterial community structures (BCSs) of Cerrado soils cultivated under conventional tillage (CT), no-tillage (NT) and under native Cerrado (NC) vegetation were evaluated using PCR/DGGE of bacterial 16S rRNA (rrs) and rpoB genes and of Pseudomonas group genes. Soil chemical analysis, microbial biomass and the enzyme activities were also evaluated and correlated with the BCS measurements. The multivariate ordinations of DGGE profiles showed differences between the BCS of the NC area and those from cultivated areas. The BCSs of the CT and NT areas also differed in all DGGE fingerprints, including changes in the profile of Pseudomonas populations, indicating that agricultural systems can also be responsible for changes within specific microbial niches, although the clearest differences were found in the rpoB profiles. The MRPP analysis demonstrated significant differences between the BCSs from different soil layers of NT areas based on all gene fingerprints and those of NC areas based on bacterial 16S rRNA and rpoB genes fingerprints. No differences were observed in the microbial fingerprints of CT samples from different depths, indicating that ploughing affected the original BCS stratification. The BCS from NC areas, based on all gene fingerprints, could be related to higher levels of soil acidity and higher amounts of MBC and of phosphatase activity. In contrast, the BCSs from cultivated areas were related to higher levels of Ca + Mg, P and K, likely as a result of a history of chemical fertilisation in these areas. The relationships between rpoB and Pseudomonas BCSs and all chemical and biochemical properties of soils were significant, according to a Mantel test (P < 0.05), indicating that the different changes in soil properties induced by soil use or management may drive the formation of the soil BCS. MenosThe bacterial community structures (BCSs) of Cerrado soils cultivated under conventional tillage (CT), no-tillage (NT) and under native Cerrado (NC) vegetation were evaluated using PCR/DGGE of bacterial 16S rRNA (rrs) and rpoB genes and of Pseudomonas group genes. Soil chemical analysis, microbial biomass and the enzyme activities were also evaluated and correlated with the BCS measurements. The multivariate ordinations of DGGE profiles showed differences between the BCS of the NC area and those from cultivated areas. The BCSs of the CT and NT areas also differed in all DGGE fingerprints, including changes in the profile of Pseudomonas populations, indicating that agricultural systems can also be responsible for changes within specific microbial niches, although the clearest differences were found in the rpoB profiles. The MRPP analysis demonstrated significant differences between the BCSs from different soil layers of NT areas based on all gene fingerprints and those of NC areas based on bacterial 16S rRNA and rpoB genes fingerprints. No differences were observed in the microbial fingerprints of CT samples from different depths, indicating that ploughing affected the original BCS stratification. The BCS from NC areas, based on all gene fingerprints, could be related to higher levels of soil acidity and higher amounts of MBC and of phosphatase activity. In contrast, the BCSs from cultivated areas were related to higher levels of Ca + Mg, P and K, likely as a result of a hist... Mostrar Tudo |
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Thesagro: |
Bactéria; Cerrado; Plantio; Solo; Uso da Terra. |
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Categoria do assunto: |
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Marc: |
LEADER 02536naa a2200241 a 4500
001 1862292
005 2010-09-15
008 2010 bl --- 0-- u #d
100 1 $aPEIXOTO, R. S.
245 $aA decade of land use contributes to changes in the chemistry, biochemistry and bacterial community structures of soils in the Cerrado.
260 $c2010
520 $aThe bacterial community structures (BCSs) of Cerrado soils cultivated under conventional tillage (CT), no-tillage (NT) and under native Cerrado (NC) vegetation were evaluated using PCR/DGGE of bacterial 16S rRNA (rrs) and rpoB genes and of Pseudomonas group genes. Soil chemical analysis, microbial biomass and the enzyme activities were also evaluated and correlated with the BCS measurements. The multivariate ordinations of DGGE profiles showed differences between the BCS of the NC area and those from cultivated areas. The BCSs of the CT and NT areas also differed in all DGGE fingerprints, including changes in the profile of Pseudomonas populations, indicating that agricultural systems can also be responsible for changes within specific microbial niches, although the clearest differences were found in the rpoB profiles. The MRPP analysis demonstrated significant differences between the BCSs from different soil layers of NT areas based on all gene fingerprints and those of NC areas based on bacterial 16S rRNA and rpoB genes fingerprints. No differences were observed in the microbial fingerprints of CT samples from different depths, indicating that ploughing affected the original BCS stratification. The BCS from NC areas, based on all gene fingerprints, could be related to higher levels of soil acidity and higher amounts of MBC and of phosphatase activity. In contrast, the BCSs from cultivated areas were related to higher levels of Ca + Mg, P and K, likely as a result of a history of chemical fertilisation in these areas. The relationships between rpoB and Pseudomonas BCSs and all chemical and biochemical properties of soils were significant, according to a Mantel test (P < 0.05), indicating that the different changes in soil properties induced by soil use or management may drive the formation of the soil BCS.
650 $aBactéria
650 $aCerrado
650 $aPlantio
650 $aSolo
650 $aUso da Terra
700 1 $aCHAER, G. M.
700 1 $aFRANCO, N.
700 1 $aREIS JUNIOR, F. B. dos
700 1 $aMENDES, I. de C.
700 1 $aROSADO, A. S.
773 $tAntonie van Leeuwenhoek$gv. 98, n. 3, p. 403-413, 2010.
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