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Registro Completo |
Biblioteca(s): |
Embrapa Solos / UEP-Recife. |
Data corrente: |
29/06/2017 |
Data da última atualização: |
10/07/2017 |
Autoria: |
MOITINHO, M. R.; PADOVAN, M. P.; PANOSSO, A. R.; LA SCALA JUNIOR, N. |
Título: |
Efeito do preparo do solo e resíduo da colheita de cana-de-açúcar sobre a emissão de CO2. |
Ano de publicação: |
2013 |
Fonte/Imprenta: |
Revista Brasileira de Ciência do Solo, Campinas, SP, v. 37, n. 6, p. 1720-1728, 2013. |
Idioma: |
Português |
Notas: |
Título em Inglês: Effect of soil tillage and sugarcane trash on CO2 emission. |
Conteúdo: |
O objetivo deste estudo foi investigar o efeito do preparo do solo e da deposição de resíduos da cultura de cana-de-açúcar na emissão de CO2, temperatura e umidade do solo, durante a reforma do canavial, ao longo de um período de 15 dias. Os manejos avaliados foram: sem preparo do solo e sem resíduo (SPSR) e com preparo do solo e sem resíduos (CPSR).
The purpose of this study was to investigate the effect of soil tillage and sugarcane trasn on CO2 emission, temperature and soil moinsture during sugarcane (re)planting, over a study period of 15 days. The following managements were evaluated: no-tillage with crop residues left on the soil surface (NTR); without tillage and without residue (NTNR) and tillage with no residue (TNR). |
Palavras-Chave: |
Manejo da Cana-de-açúcar; Soil temperature and moinsture; Sugarcane management; Temperatura e umidade do solo. |
Thesagro: |
Respiração do Solo; Solo. |
Thesaurus Nal: |
Soil; soil respiration. |
Categoria do assunto: |
-- |
Marc: |
LEADER 01630naa a2200265 a 4500 001 2071714 005 2017-07-10 008 2013 bl uuuu u00u1 u #d 100 1 $aMOITINHO, M. R. 245 $aEfeito do preparo do solo e resíduo da colheita de cana-de-açúcar sobre a emissão de CO2. 260 $c2013 500 $aTítulo em Inglês: Effect of soil tillage and sugarcane trash on CO2 emission. 520 $aO objetivo deste estudo foi investigar o efeito do preparo do solo e da deposição de resíduos da cultura de cana-de-açúcar na emissão de CO2, temperatura e umidade do solo, durante a reforma do canavial, ao longo de um período de 15 dias. Os manejos avaliados foram: sem preparo do solo e sem resíduo (SPSR) e com preparo do solo e sem resíduos (CPSR). The purpose of this study was to investigate the effect of soil tillage and sugarcane trasn on CO2 emission, temperature and soil moinsture during sugarcane (re)planting, over a study period of 15 days. The following managements were evaluated: no-tillage with crop residues left on the soil surface (NTR); without tillage and without residue (NTNR) and tillage with no residue (TNR). 650 $aSoil 650 $asoil respiration 650 $aRespiração do Solo 650 $aSolo 653 $aManejo da Cana-de-açúcar 653 $aSoil temperature and moinsture 653 $aSugarcane management 653 $aTemperatura e umidade do solo 700 1 $aPADOVAN, M. P. 700 1 $aPANOSSO, A. R. 700 1 $aLA SCALA JUNIOR, N. 773 $tRevista Brasileira de Ciência do Solo, Campinas, SP$gv. 37, n. 6, p. 1720-1728, 2013.
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Embrapa Solos / UEP-Recife (CNPS-UEPR) |
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Biblioteca(s): |
Embrapa Meio Ambiente. |
Data corrente: |
15/02/2019 |
Data da última atualização: |
19/02/2019 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Circulação/Nível: |
A - 1 |
Autoria: |
RAKOCEVIC, M.; RIBEIRO, R. V.; MARCHIORI, P. E. R.; FILIZOLA, H. F.; BATISTA, E. R. |
Afiliação: |
MIROSLAVA RAKOCEVIC; RAFAEL VASCONCELOS RIBEIRO, IB-UNICAMP; PAULO EDUARDO RIBEIRO MARCHIORI, UFLA; HELOISA FERREIRA FILIZOLA, CNPMA; EUNICE REIS BATISTA, CNPMA. |
Título: |
Structural and functional changes in coffee trees after 4 years under free air CO2 enrichment. |
Ano de publicação: |
2018 |
Fonte/Imprenta: |
Annals of Botany, v. 121, n. 5, p. 1065-1078, 2018. |
DOI: |
https://doi.org/10.1093/aob/mcy011 |
Idioma: |
Inglês |
Conteúdo: |
Background and Aims: Climate forecasts suggest that [CO2] in the atmosphere will continue to increase. Structural and ecophysiological responses to elevated air [CO2] (e[CO2]) in tree species are contradictory due to species-dependent responses and relatively short-term experiments. It was hypothesized that long-term exposure (4 year) to e[CO2] would change canopy structure and function of Coffea arabica trees. Methods: Coffee plants were grown in a FACE (free air CO2 enrichment) facility under two air [CO2]: actual and elevated (actual + approx. 200 ?L CO2 L-1). Plants were codified following the VPlants methodology to obtain coffee mock-ups. Plant canopies were separated into three 50 cm thick layers over a vertical profile to evaluate their structure and photosynthesis, using functional-structural plant modelling. Key Results: Leaf area was strongly reduced on the bottom and upper canopy layers, and increased soil carbon concentration suggested changes in carbon partitioning of coffee trees under e[CO2]. Increased air [CO2] stimulated stomatal conductance and leaf photosynthesis at the middle and upper canopy layers, increasing water-use efficiency. Under e[CO2], plants showed reduced diameter of the second-order axes and higher investment in the youngest third to fifth-order axes. Conclusions: The responses of Arabica coffee grown under long-term exposure to e[CO2] integrated structural and functional modifications, which balanced leaf area loss through improvements in leaf and whole-plant photosynthesis. MenosBackground and Aims: Climate forecasts suggest that [CO2] in the atmosphere will continue to increase. Structural and ecophysiological responses to elevated air [CO2] (e[CO2]) in tree species are contradictory due to species-dependent responses and relatively short-term experiments. It was hypothesized that long-term exposure (4 year) to e[CO2] would change canopy structure and function of Coffea arabica trees. Methods: Coffee plants were grown in a FACE (free air CO2 enrichment) facility under two air [CO2]: actual and elevated (actual + approx. 200 ?L CO2 L-1). Plants were codified following the VPlants methodology to obtain coffee mock-ups. Plant canopies were separated into three 50 cm thick layers over a vertical profile to evaluate their structure and photosynthesis, using functional-structural plant modelling. Key Results: Leaf area was strongly reduced on the bottom and upper canopy layers, and increased soil carbon concentration suggested changes in carbon partitioning of coffee trees under e[CO2]. Increased air [CO2] stimulated stomatal conductance and leaf photosynthesis at the middle and upper canopy layers, increasing water-use efficiency. Under e[CO2], plants showed reduced diameter of the second-order axes and higher investment in the youngest third to fifth-order axes. Conclusions: The responses of Arabica coffee grown under long-term exposure to e[CO2] integrated structural and functional modifications, which balanced leaf area loss through improvements in l... Mostrar Tudo |
Thesagro: |
Área Foliar; Café; Dióxido de Carbono. |
Thesaurus NAL: |
Carbon dioxide enrichment; Climate change; Coffea; Leaf area; Plant architecture; Stomatal conductance; Transpiration. |
Categoria do assunto: |
-- |
Marc: |
LEADER 02423naa a2200301 a 4500 001 2106099 005 2019-02-19 008 2018 bl uuuu u00u1 u #d 024 7 $ahttps://doi.org/10.1093/aob/mcy011$2DOI 100 1 $aRAKOCEVIC, M. 245 $aStructural and functional changes in coffee trees after 4 years under free air CO2 enrichment.$h[electronic resource] 260 $c2018 520 $aBackground and Aims: Climate forecasts suggest that [CO2] in the atmosphere will continue to increase. Structural and ecophysiological responses to elevated air [CO2] (e[CO2]) in tree species are contradictory due to species-dependent responses and relatively short-term experiments. It was hypothesized that long-term exposure (4 year) to e[CO2] would change canopy structure and function of Coffea arabica trees. Methods: Coffee plants were grown in a FACE (free air CO2 enrichment) facility under two air [CO2]: actual and elevated (actual + approx. 200 ?L CO2 L-1). Plants were codified following the VPlants methodology to obtain coffee mock-ups. Plant canopies were separated into three 50 cm thick layers over a vertical profile to evaluate their structure and photosynthesis, using functional-structural plant modelling. Key Results: Leaf area was strongly reduced on the bottom and upper canopy layers, and increased soil carbon concentration suggested changes in carbon partitioning of coffee trees under e[CO2]. Increased air [CO2] stimulated stomatal conductance and leaf photosynthesis at the middle and upper canopy layers, increasing water-use efficiency. Under e[CO2], plants showed reduced diameter of the second-order axes and higher investment in the youngest third to fifth-order axes. Conclusions: The responses of Arabica coffee grown under long-term exposure to e[CO2] integrated structural and functional modifications, which balanced leaf area loss through improvements in leaf and whole-plant photosynthesis. 650 $aCarbon dioxide enrichment 650 $aClimate change 650 $aCoffea 650 $aLeaf area 650 $aPlant architecture 650 $aStomatal conductance 650 $aTranspiration 650 $aÁrea Foliar 650 $aCafé 650 $aDióxido de Carbono 700 1 $aRIBEIRO, R. V. 700 1 $aMARCHIORI, P. E. R. 700 1 $aFILIZOLA, H. F. 700 1 $aBATISTA, E. R. 773 $tAnnals of Botany$gv. 121, n. 5, p. 1065-1078, 2018.
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