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| Registros recuperados : 245 | |
| 144. |  | OGASAWARA, M.; OTTO, M.; MATTOS, E. J. de; ROCHA, H. R. da; FIGUEIREDO, R. de O.; FERRAZ, S. Effects of climate change on water yield and water quality of forested watersheds in Southeastern Brazil. Pesquisa Florestal Brasileira, v. 39, e201902043, p. 649, 2019. Special issue. Abstracts of the XXV IUFRO World Congress, 2019. p. 649| Biblioteca(s): Embrapa Meio Ambiente. |
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| 145. | | DUARTE, M. de L. R.; ALBUQUERQUE, F. C. de; ROCHA, A. C. P. N. da; ROCHA, H. M. Efeito do benomyl no controle de secamento dos ramos da pimenta-do-reino (Nectria haematococca f. sp. piperis). Fitopatologia Brasileira, v. 3, n. 1, p. 114-115, fev. 1978. Resumos do 11º Congresso da Sociedade Brasileira de Fitopatologia, 1978, Viçosa.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 148. | | DUARTE, M. de L. R.; ALBUQUERQUE, F. C. de; ROCHA, H. M.; CARDOSO, J. E.; FREIRE, F. C. O. Controle químico da pinta preta do guaraná (Colletotrichum sp. corda). Fitopatologia Brasileira, v. 3, n. 1, p. 115, fev. 1978. Resumos do 11º Congresso da Sociedade Brasileira de Fitopatologia, 1978, Viçosa.| Biblioteca(s): Embrapa Amazônia Oriental. |
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| 149. | | REISSMANN, C. B.; SANTOS FILHO, A.; ROCHA, H. O. da; ZOTTL, H. W.; BLUM, W. E. H. Crescimento e niveis de macro e micronutrientes em Araucaria angustifolia e Pinus taeda sobre solos derivados do Grupo Itarare (Carbonifiro). Revista do Setor de Ciencias Agrarias, Curitiba, v.9, n.1/2, p.113-119, 1987.| Biblioteca(s): Embrapa Florestas. |
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| 151. | | SANT'ANA, G. C.; FERREIRA, J. L.; ROCHA, H. S.; BORÉM, A.; PASQUAL, M.; CANÇADO, G. M. A. Comparison of a retrotransposon-based marker with microsatellite markers for discriminating accessions of Vitis vinifera. Genetics and Molecular Research, Ribeirão Preto, v. 11, n. 2, p. 1507-1525, 2012.| Biblioteca(s): Embrapa Pecuária Sul. |
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| 152. | | LIMA, L. L. de A.; SCHULER, A.; GUERRA, N. B.; PEREIRA, G. E.; LIMA, T. L. de A.; ROCHA, H. Otimização e validação de método para determinação de ácidos orgânicos em vinhos por cromatografia líquida de alta eficiência. Quimica Nova, São Paulo, v. 33, n. 5, p. 1186-1189, 2010.| Biblioteca(s): Embrapa Semiárido. |
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| 153. | | LIMA, L. L. de A.; SCHULER, A.; GUERRA, N. B.; PEREIRA, G. E.; LIMA, T. de A.; ROCHA, H. Otimização e validação de método para determinação de ácidos orgânicos em vinhos por cromatografia líquida de alta eficiência. Química Nova, São Paulo, v. 33, n. 5, p. 1186-1189, 2010. Nota técnica.| Biblioteca(s): Embrapa Uva e Vinho. |
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| 156. | | ANTUNES, O. T.; CALVETE, E. O.; ROCHA, H. C.; NIENOW, A. A.; CECCHETTI, D.; RIVA, E.; MARAN, R. E. Produção de cultivares de morango polinizadas pela abelha jatai em ambiente protegido. Horticultura Brasileira, Brasília, DF, v. 25, n. 1, p. 94-99, jan./mar. 2007.| Biblioteca(s): Embrapa Hortaliças. |
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| 157. | | ANTUNES, O. T.; CALVETE, E. O.; ROCHA, H. C.; NIENOW, A. A.; MARIANI, F.; WESP, C. de L. Floração, frutificação e maturação de frutos de morangueiro cultivados em ambiente protegido. Horticultura Brasileira, Brasília, DF, v. 24, n. 4, p. 426-430, out./dez. 2006.| Biblioteca(s): Embrapa Hortaliças. |
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| 158. | | ROCHA, H. R. da; CABRAL, O. M. R.; DIAS, M. A. F. da S.; BARBOSA, V.; CARVALHO, R. S. Fluxos turbulentos de calor, H2O e CO2, sobre cana-de-açúcar em Sertãozinho, SP. In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 10., 1997, Piracicaba. Agrometeorologia, monitoramento ambiental e agricultura sustentável: anais. Piracicaba: SBA / 544-| Biblioteca(s): Embrapa Meio Ambiente. |
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| 159. | | CABRAL, O. M. R.; ROCHA, H. R. da; LIGO, M. A. V.; BRUNINI, O.; DIAS, M. A. F. S. Fluxos turbulentos de calor sensível, vapor de água e CO2 sobre plantação de cana-de-açucar (Saccharum sp.) em Sertãozinho-SP. Revista Brasileira de Meteorologia, Rio de Janeiro, v. 18, n. 1, p. 61-70, 2003.| Biblioteca(s): Embrapa Meio Ambiente. |
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| Registros recuperados : 245 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Clima Temperado. Para informações adicionais entre em contato com cpact.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agricultura Digital; Embrapa Clima Temperado; Embrapa Meio Ambiente. |
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Data corrente: |
06/12/2019 |
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Data da última atualização: |
06/12/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 1 |
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Autoria: |
CABRAL, O. M. R.; FREITAS, H. C. de; CUADRA, S. V.; ANDRADE, C. A. de; RAMOS, N. P.; GRUTZMACHER, P.; GALDOS, M.; PACKER, A. P.; ROCHA, H. R. da; ROSSI, P. |
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Afiliação: |
OSVALDO MACHADO RODRIGUES CABRAL, CNPMA; HÉLBER CUSTÓDIO DE FREITAS, FC-UNESP; SANTIAGO VIANNA CUADRA, CPACT; CRISTIANO ALBERTO DE ANDRADE, CNPMA; NILZA PATRICIA RAMOS, CNPMA; PRISCILA GRUTZMACHER; MARCELO GALDOS, University of Leeds; ANA PAULA CONTADOR PACKER, CNPMA; HUMBERTO RIBEIRO DA ROCHA, IAG-USP; PAULO ROSSI, CNPMA. |
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Título: |
The sustainability of a sugarcane plantation in Brazil assessed by the eddy covariance fluxes of greenhouse gases. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Agricultural and Forest Meteorology, v. 282-283, Article 107864, 2020. |
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DOI: |
https://doi.org/10.1016/j.agrformet.2019.107864 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The sustainability of sugarcane farming for biofuel has recently become a subject of debate, because its expansion may contribute significantly to global climate change mitigation. Here we report greenhouse gases (GHG) fluxes, measured by the eddy covariance method, from a commercial scale rain-fed sugarcane plantation representative of the leading bioethanol production area in southeast Brazil. The measurements covered two harvests, during which the field received nitrogen fertilization and trash was not removed. The cumulative fluxes for nitrous oxide (N2O) (62.4 ± 1.3 and 52.3 ± 1.8 g N2OCO2 eq. m?2 for the first and second years, respectively) and methane (CH4) (12.1 ± 1.7 and 10.4 ± 2.3 g CH4CO2 eq. m?2 for the first and second years, respectively) were minor sources to the atmosphere in comparison with the net ecosystem exchange (NEE) of carbon dioxide (CO2), whose sink dominated the balances (?7643. ± 129. and -4615. ± 124. g CO2 m?2 for the first and second years, respectively). Compared to the first year, the observed NEE in the second year decreased by 40%, as it covered the first re-growth from the stubble (ratoon) and exhibited a shorter growth cycle than the first year (304 versus 390 days). The second year also included the partial decomposition of the trash remaining on the soil after the first harvest (1581 ± 301 g CO2 m?2). The net ecosystem carbon balances (NECB), obtained as the cumulative fluxes of GHGs and the stalk dry biomass removed in the harvests (4923 ± 459 and 3929 ± 352 g CO2 m?2 for the first and second years, respectively) were -2646 ± 459 and -623 ± 352 g CO2 m?2 for the first and second years, respectively. Although the yields in stalk fresh weight (SFW) were representative of the region (9.9 and 8.2 kg SFW m?2, in the first and second year respectively) other factors caused a decrease of 76% in NECB, stressing the importance of the CO2 balance (assimilation versus respiration). Nevertheless, this sugarcane agro-system was an overall carbon sink with the N2O and CH4 emitted totals being offset by the net carbon gain. MenosAbstract: The sustainability of sugarcane farming for biofuel has recently become a subject of debate, because its expansion may contribute significantly to global climate change mitigation. Here we report greenhouse gases (GHG) fluxes, measured by the eddy covariance method, from a commercial scale rain-fed sugarcane plantation representative of the leading bioethanol production area in southeast Brazil. The measurements covered two harvests, during which the field received nitrogen fertilization and trash was not removed. The cumulative fluxes for nitrous oxide (N2O) (62.4 ± 1.3 and 52.3 ± 1.8 g N2OCO2 eq. m?2 for the first and second years, respectively) and methane (CH4) (12.1 ± 1.7 and 10.4 ± 2.3 g CH4CO2 eq. m?2 for the first and second years, respectively) were minor sources to the atmosphere in comparison with the net ecosystem exchange (NEE) of carbon dioxide (CO2), whose sink dominated the balances (?7643. ± 129. and -4615. ± 124. g CO2 m?2 for the first and second years, respectively). Compared to the first year, the observed NEE in the second year decreased by 40%, as it covered the first re-growth from the stubble (ratoon) and exhibited a shorter growth cycle than the first year (304 versus 390 days). The second year also included the partial decomposition of the trash remaining on the soil after the first harvest (1581 ± 301 g CO2 m?2). The net ecosystem carbon balances (NECB), obtained as the cumulative fluxes of GHGs and the stalk dry biomass removed in the h... Mostrar Tudo |
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Palavras-Chave: |
Gases do efeito estufa; Óxido nitroso; Trash decomposition. |
|
Thesagro: |
Biomassa; Cana de Açúcar; Dióxido de Carbono; Metano. |
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Thesaurus NAL: |
Biomass; Carbon dioxide; Greenhouse gas emissions; Methane; Nitrous oxide; Sugarcane. |
|
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
|
Marc: |
LEADER 03282naa a2200397 a 4500
001 2116149
005 2019-12-06
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1016/j.agrformet.2019.107864$2DOI
100 1 $aCABRAL, O. M. R.
245 $aThe sustainability of a sugarcane plantation in Brazil assessed by the eddy covariance fluxes of greenhouse gases.$h[electronic resource]
260 $c2020
520 $aAbstract: The sustainability of sugarcane farming for biofuel has recently become a subject of debate, because its expansion may contribute significantly to global climate change mitigation. Here we report greenhouse gases (GHG) fluxes, measured by the eddy covariance method, from a commercial scale rain-fed sugarcane plantation representative of the leading bioethanol production area in southeast Brazil. The measurements covered two harvests, during which the field received nitrogen fertilization and trash was not removed. The cumulative fluxes for nitrous oxide (N2O) (62.4 ± 1.3 and 52.3 ± 1.8 g N2OCO2 eq. m?2 for the first and second years, respectively) and methane (CH4) (12.1 ± 1.7 and 10.4 ± 2.3 g CH4CO2 eq. m?2 for the first and second years, respectively) were minor sources to the atmosphere in comparison with the net ecosystem exchange (NEE) of carbon dioxide (CO2), whose sink dominated the balances (?7643. ± 129. and -4615. ± 124. g CO2 m?2 for the first and second years, respectively). Compared to the first year, the observed NEE in the second year decreased by 40%, as it covered the first re-growth from the stubble (ratoon) and exhibited a shorter growth cycle than the first year (304 versus 390 days). The second year also included the partial decomposition of the trash remaining on the soil after the first harvest (1581 ± 301 g CO2 m?2). The net ecosystem carbon balances (NECB), obtained as the cumulative fluxes of GHGs and the stalk dry biomass removed in the harvests (4923 ± 459 and 3929 ± 352 g CO2 m?2 for the first and second years, respectively) were -2646 ± 459 and -623 ± 352 g CO2 m?2 for the first and second years, respectively. Although the yields in stalk fresh weight (SFW) were representative of the region (9.9 and 8.2 kg SFW m?2, in the first and second year respectively) other factors caused a decrease of 76% in NECB, stressing the importance of the CO2 balance (assimilation versus respiration). Nevertheless, this sugarcane agro-system was an overall carbon sink with the N2O and CH4 emitted totals being offset by the net carbon gain.
650 $aBiomass
650 $aCarbon dioxide
650 $aGreenhouse gas emissions
650 $aMethane
650 $aNitrous oxide
650 $aSugarcane
650 $aBiomassa
650 $aCana de Açúcar
650 $aDióxido de Carbono
650 $aMetano
653 $aGases do efeito estufa
653 $aÓxido nitroso
653 $aTrash decomposition
700 1 $aFREITAS, H. C. de
700 1 $aCUADRA, S. V.
700 1 $aANDRADE, C. A. de
700 1 $aRAMOS, N. P.
700 1 $aGRUTZMACHER, P.
700 1 $aGALDOS, M.
700 1 $aPACKER, A. P.
700 1 $aROCHA, H. R. da
700 1 $aROSSI, P.
773 $tAgricultural and Forest Meteorology$gv. 282-283, Article 107864, 2020.
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