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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
15/01/2008 |
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Data da última atualização: |
29/05/2017 |
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Tipo da produção científica: |
Capítulo em Livro Técnico-Científico |
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Autoria: |
ARAÚJO, J. C. A. de; PEREIRA, J. C. R.; GASPAROTTO, L.; ARRUDA, M. R. de; NASCIMENTO FILHO, F. J.; MOREIRA, A. |
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Afiliação: |
José Cristino Araújo de Abreu, CPAA; José Clério Rezende Pereira, CPAA; Luadir Gasparotto, CPAA; Murilo Rodrigues de Arruda, CPAA; Firmino José do Nascimento Filho, CPAA; Adônis Moreira, CPPSE. |
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Título: |
Avaliação de fungicidas no controle da antracnose do guaranazeiro. |
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Ano de publicação: |
2007 |
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Fonte/Imprenta: |
In: PEREIRA, J. C. R.; ARRUDA, M. R. de (Ed.). Pesquisa com guaranazeiro na Embrapa Amazônia Ocidental: status atual e perspectivas. Manaus: Embrapa Amazônia Ocidental, 2007. p. 40-44. |
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Idioma: |
Português |
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Conteúdo: |
O objetivo deste trabalho foi avaliar a eficiência de fungicidas em diferentes dosagens sobre a antracnose do guaranazeiro. |
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Palavras-Chave: |
Controle. |
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Thesagro: |
Antracnose; Doença de Planta; Fungicida; Guaraná; Paullinia Cupana. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/63612/1/CD-BOOK-GUARANA41-45.pdf
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Marc: |
LEADER 00945naa a2200253 a 4500
001 1681693
005 2017-05-29
008 2007 bl uuuu u00u1 u #d
100 1 $aARAÚJO, J. C. A. de
245 $aAvaliação de fungicidas no controle da antracnose do guaranazeiro.
260 $c2007
520 $aO objetivo deste trabalho foi avaliar a eficiência de fungicidas em diferentes dosagens sobre a antracnose do guaranazeiro.
650 $aAntracnose
650 $aDoença de Planta
650 $aFungicida
650 $aGuaraná
650 $aPaullinia Cupana
653 $aControle
700 1 $aPEREIRA, J. C. R.
700 1 $aGASPAROTTO, L.
700 1 $aARRUDA, M. R. de
700 1 $aNASCIMENTO FILHO, F. J.
700 1 $aMOREIRA, A.
773 $tIn: PEREIRA, J. C. R.; ARRUDA, M. R. de (Ed.). Pesquisa com guaranazeiro na Embrapa Amazônia Ocidental: status atual e perspectivas. Manaus: Embrapa Amazônia Ocidental, 2007. p. 40-44.
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Registro original: |
Embrapa Amazônia Ocidental (CPAA) |
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Voltar
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Registro Completo
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
11/04/2024 |
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Data da última atualização: |
11/04/2024 |
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Autoria: |
ADUAN, R. E.; KLINK, C. A.; DAVIDSON, E. A. |
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Afiliação: |
ROBERTO ENGEL ADUAN, CPAC; CARLOS AUGUSTO KLINK, UNIVERSIDADE DE BRASÍLIA; ERIC ATLAS DAVIDSON, THE WOODS HOLE RESEARCH CENTER. |
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Título: |
Soil respiration in native Cerrado and a pasture in Central Brazil: Seasonal variation and deep soil contribution on total flux. |
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Ano de publicação: |
2004 |
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Fonte/Imprenta: |
In: CONFERÊNCIA CIENTÍFICA DO LBA, 3., 2004, Brasília, DF. Anais de trabalhos completos. Brasília, DF: LBA, 2004. |
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Idioma: |
Inglês |
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Conteúdo: |
Soil respiration is perhaps one of the most important in the many different processes of the carbon cycling in natural and cultivated ecosystems. The aim of this study was to measure intensively the soil respiration fluxes in two native Cerrado vegetation types, that differ in tree density (cerrado denso and cerrado stricto sensu) and one planted pasture, measuring total annual fluxes and their seasonal variation. The effect of environmental variables (temperature and rainfall) and the role of deep soil on superficial emissions were also assessed. The native Cerrado ecosystems are located in the Reserva Ecológica do Roncador (RECOR/IBGE), in Brasília, DF, Brazil, while the planted pasture (Brachiaria brizantha) is located in the experimental fields of Embrapa-Cerrados, in Planaltina, DF, Brazil. Soil respiration was measured with the dynamic chamber IRGA technique. Deep soil fluxes were estimated from soil atmosphere samples taken at different depths, and the CO2 flux on each soil layer was calculated using a gas diffusivity model. The total annual emissions were greater in the pasture, with sharper seasonal variation when compared to the native ecosystems, which were very similar. For all ecosystems, fluxes were closely correlated with soil temperature, and with cumulative precipitation in different timescales. In all three ecosystems (for several occasions), we found a significant CO2 production in the deeper layers of the soil, especially in the depth of 75-100 cm. |
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Thesaurus NAL: |
Pastures; Soil respiration. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1163504/1/Soil-respiration-in-native-Cerrado.pdf
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Marc: |
LEADER 02082nam a2200157 a 4500
001 2163504
005 2024-04-11
008 2004 bl uuuu u00u1 u #d
100 1 $aADUAN, R. E.
245 $aSoil respiration in native Cerrado and a pasture in Central Brazil$bSeasonal variation and deep soil contribution on total flux.$h[electronic resource]
260 $aIn: CONFERÊNCIA CIENTÍFICA DO LBA, 3., 2004, Brasília, DF. Anais de trabalhos completos. Brasília, DF: LBA$c2004
520 $aSoil respiration is perhaps one of the most important in the many different processes of the carbon cycling in natural and cultivated ecosystems. The aim of this study was to measure intensively the soil respiration fluxes in two native Cerrado vegetation types, that differ in tree density (cerrado denso and cerrado stricto sensu) and one planted pasture, measuring total annual fluxes and their seasonal variation. The effect of environmental variables (temperature and rainfall) and the role of deep soil on superficial emissions were also assessed. The native Cerrado ecosystems are located in the Reserva Ecológica do Roncador (RECOR/IBGE), in Brasília, DF, Brazil, while the planted pasture (Brachiaria brizantha) is located in the experimental fields of Embrapa-Cerrados, in Planaltina, DF, Brazil. Soil respiration was measured with the dynamic chamber IRGA technique. Deep soil fluxes were estimated from soil atmosphere samples taken at different depths, and the CO2 flux on each soil layer was calculated using a gas diffusivity model. The total annual emissions were greater in the pasture, with sharper seasonal variation when compared to the native ecosystems, which were very similar. For all ecosystems, fluxes were closely correlated with soil temperature, and with cumulative precipitation in different timescales. In all three ecosystems (for several occasions), we found a significant CO2 production in the deeper layers of the soil, especially in the depth of 75-100 cm.
650 $aPastures
650 $aSoil respiration
700 1 $aKLINK, C. A.
700 1 $aDAVIDSON, E. A.
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Embrapa Cerrados (CPAC) |
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