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Registro Completo |
Biblioteca(s): |
Embrapa Acre; Embrapa Meio Ambiente. |
Data corrente: |
31/10/2014 |
Data da última atualização: |
06/07/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
BAYER, C.; COSTA, F. de S.; PEDROSO, G. M.; ZSCHORNACK, T.; CAMARGO, E. S.; LIMA, M. A. de; FRIGHETTO, R. T. S.; GOMES, J.; MARCOLIN, E.; MACEDO, V. R. M. |
Afiliação: |
CIMELIO BAYER, UFRGS; FALBERNI DE SOUZA COSTA, CPAF-AC; GABRIEL MUNHOZ PEDROSO, UFRGS; TIAGO ZSCHORNACK, Instituto Riograndense do Arroz; ESTEFANIA S CAMARGO, UFRGS; MAGDA APARECIDA DE LIMA, CNPMA; ROSA TOYOKO SHIRAISHI FRIGHETTO, CNPMA; JULIANA GOMES, UFRGS; ELIO MARCOLIN, Instituto Riograndense do Arroz; VERA REGINA MUSSOI MACEDO, Instituto Riograndense do Arroz. |
Título: |
Yield-scaled greenhouse gas emissions from flood irrigated rice under long-term conventional tillage and no-till systems in a Humid Subtropical climate. |
Ano de publicação: |
2014 |
Fonte/Imprenta: |
Field Crops Research, Amsterdam, v. 162, p. 60-69, June 2014. |
ISSN: |
0378-4290 |
DOI: |
http://dx.doi.org/10.1016/j.fcr.2014.03.015 |
Idioma: |
Inglês |
Conteúdo: |
Abstract: Soils under flooded rice (Oryza sativa L.) production are one of the major anthropogenic source of CH4 emissions, an important greenhouse gas (GHG) with a 25-times larger global warming potential (GWP) than CO2. No-till systems (NT) systems may be a viable alternative to mitigate GHG emissions in comparison to conventional tillage (CT). The objectives of this study were to evaluate on a field scale the long-term effects of CT and NT systems on soil CH4 and N2O emissions, rice yields and yield-scaled emissions during five growing seasons (GS) in Southern Brazil. In addition, a short-term greenhouse experiment was conducted to isolate the effect of winter crop [ryegrass (Lolium multiflorum L.)] biomass incorporation on soil CH4 efflux. Averaged across years, the NT system resulted in 21% lower seasonal CH4 emissions than the CT system, at 408 and 517 kg CH4 ha-1 GS-1, respectively. No significant effect of tillage system on N2O emissions was observed. Methane emission was responsible for 96.5% of partial GWP (pGWP = CH4 × 25 + N2O × 298), stressing the importance of this GHG for developing low GHGs rice systems. No significant effect of tillage system on rice grain yields (average of 7.8 Mg ha-1 GS-1) was detected. Consequently, the NT system resulted in 23% lower yield-scaled pGWP, at 1.35 and 1.76 kg CO2eq kg-1 grain for NT and CT treatments, respectively. According to the greenhouse study, the incorporation of ryegrass biomass into the soil resulted in 2.8 times larger cumulative CH4 emission than the surface application of biomass, at 347.4 and 125.5 g CH4 m-2, respectively, due to higher dissolved organic carbon (DOC) concentration and reduced soil environment in subsurface soil layers. Our results indicate that biomass incorporation is the main cause of higher CH4 emissions from conventionally tilled soil and that NT system is a viable alternative to reduce yield-scaled GHG emissions from flooded rice fields. MenosAbstract: Soils under flooded rice (Oryza sativa L.) production are one of the major anthropogenic source of CH4 emissions, an important greenhouse gas (GHG) with a 25-times larger global warming potential (GWP) than CO2. No-till systems (NT) systems may be a viable alternative to mitigate GHG emissions in comparison to conventional tillage (CT). The objectives of this study were to evaluate on a field scale the long-term effects of CT and NT systems on soil CH4 and N2O emissions, rice yields and yield-scaled emissions during five growing seasons (GS) in Southern Brazil. In addition, a short-term greenhouse experiment was conducted to isolate the effect of winter crop [ryegrass (Lolium multiflorum L.)] biomass incorporation on soil CH4 efflux. Averaged across years, the NT system resulted in 21% lower seasonal CH4 emissions than the CT system, at 408 and 517 kg CH4 ha-1 GS-1, respectively. No significant effect of tillage system on N2O emissions was observed. Methane emission was responsible for 96.5% of partial GWP (pGWP = CH4 × 25 + N2O × 298), stressing the importance of this GHG for developing low GHGs rice systems. No significant effect of tillage system on rice grain yields (average of 7.8 Mg ha-1 GS-1) was detected. Consequently, the NT system resulted in 23% lower yield-scaled pGWP, at 1.35 and 1.76 kg CO2eq kg-1 grain for NT and CT treatments, respectively. According to the greenhouse study, the incorporation of ryegrass biomass into the soil resulted in 2.8 times l... Mostrar Tudo |
Palavras-Chave: |
Cambio climático; Cero labranza; Condiciones inundadas; Cultivo del suelo; Flooded rice; Gases de invernadero; Global warming potential; Interacciones suelo-atmósfera; No-till system; Producción de dióxido de carbono; Producción de metano. |
Thesagro: |
Arroz inundado; Clima; Dióxido de carbono; Efeito estufa; Metano; Mudança climática; Oryza sativa; Plantio; Plantio direto; Solo. |
Thesaurus Nal: |
Carbon dioxide production; Climate change; Flooded conditions; greenhouse gases; methane; Methane production; nitrous oxide; No-tillage; Rice; Soil-atmosphere interactions; Tillage. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
Marc: |
LEADER 03825naa a2200637 a 4500 001 2001794 005 2021-07-06 008 2014 bl uuuu u00u1 u #d 022 $a0378-4290 024 7 $ahttp://dx.doi.org/10.1016/j.fcr.2014.03.015$2DOI 100 1 $aBAYER, C. 245 $aYield-scaled greenhouse gas emissions from flood irrigated rice under long-term conventional tillage and no-till systems in a Humid Subtropical climate.$h[electronic resource] 260 $c2014 520 $aAbstract: Soils under flooded rice (Oryza sativa L.) production are one of the major anthropogenic source of CH4 emissions, an important greenhouse gas (GHG) with a 25-times larger global warming potential (GWP) than CO2. No-till systems (NT) systems may be a viable alternative to mitigate GHG emissions in comparison to conventional tillage (CT). The objectives of this study were to evaluate on a field scale the long-term effects of CT and NT systems on soil CH4 and N2O emissions, rice yields and yield-scaled emissions during five growing seasons (GS) in Southern Brazil. In addition, a short-term greenhouse experiment was conducted to isolate the effect of winter crop [ryegrass (Lolium multiflorum L.)] biomass incorporation on soil CH4 efflux. Averaged across years, the NT system resulted in 21% lower seasonal CH4 emissions than the CT system, at 408 and 517 kg CH4 ha-1 GS-1, respectively. No significant effect of tillage system on N2O emissions was observed. Methane emission was responsible for 96.5% of partial GWP (pGWP = CH4 × 25 + N2O × 298), stressing the importance of this GHG for developing low GHGs rice systems. No significant effect of tillage system on rice grain yields (average of 7.8 Mg ha-1 GS-1) was detected. Consequently, the NT system resulted in 23% lower yield-scaled pGWP, at 1.35 and 1.76 kg CO2eq kg-1 grain for NT and CT treatments, respectively. According to the greenhouse study, the incorporation of ryegrass biomass into the soil resulted in 2.8 times larger cumulative CH4 emission than the surface application of biomass, at 347.4 and 125.5 g CH4 m-2, respectively, due to higher dissolved organic carbon (DOC) concentration and reduced soil environment in subsurface soil layers. Our results indicate that biomass incorporation is the main cause of higher CH4 emissions from conventionally tilled soil and that NT system is a viable alternative to reduce yield-scaled GHG emissions from flooded rice fields. 650 $aCarbon dioxide production 650 $aClimate change 650 $aFlooded conditions 650 $agreenhouse gases 650 $amethane 650 $aMethane production 650 $anitrous oxide 650 $aNo-tillage 650 $aRice 650 $aSoil-atmosphere interactions 650 $aTillage 650 $aArroz inundado 650 $aClima 650 $aDióxido de carbono 650 $aEfeito estufa 650 $aMetano 650 $aMudança climática 650 $aOryza sativa 650 $aPlantio 650 $aPlantio direto 650 $aSolo 653 $aCambio climático 653 $aCero labranza 653 $aCondiciones inundadas 653 $aCultivo del suelo 653 $aFlooded rice 653 $aGases de invernadero 653 $aGlobal warming potential 653 $aInteracciones suelo-atmósfera 653 $aNo-till system 653 $aProducción de dióxido de carbono 653 $aProducción de metano 700 1 $aCOSTA, F. de S. 700 1 $aPEDROSO, G. M. 700 1 $aZSCHORNACK, T. 700 1 $aCAMARGO, E. S. 700 1 $aLIMA, M. A. de 700 1 $aFRIGHETTO, R. T. S. 700 1 $aGOMES, J. 700 1 $aMARCOLIN, E. 700 1 $aMACEDO, V. R. M. 773 $tField Crops Research, Amsterdam$gv. 162, p. 60-69, June 2014.
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Registros recuperados : 7 | |
2. | | COSTA, F. de S.; BAYER, C.; LIMA, M. A. de; FRIGHETTO, R. T. S.; MACEDO, V. R. M.; MARCOLIN, E. Variação diária da emissão de metano em solo cultivado com arroz irrigado no sul do Brasil. Ciência Rural, Santa Maria, v. 38, n. 7, p.2049-2053, out. 2008.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Meio Ambiente. |
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3. | | LIMA, M. A. de; FRIGHETTO, R. T. S.; VILLELA, O. V.; COSTA, F. de S.; BAYER, C.; MACEDO, V. R. M.; MARCOLIN, E. Methane emissions in flooded rice cultivation. In: BODDEY, R. M.; LIMA, M. A.; ALVES, B. J. R.; MACHADO, P. L. O. de A.; URQUIAGA, S. (Ed.). Carbon stocks and greenhouse gas emissions in Brazilian agriculture. Brasília, DF: Embrapa, 2014. Chapter 6.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Meio Ambiente. |
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4. | | COSTA, F. de S.; LIMA, M. A. de; BAYER, C.; FRIGHETTO, R. T. S.; BOHNEN, H.; MACEDO, V. R. M.; MARCOLIN, E. Methane emissions from a flooded rice field in the south of Brazil. In: INTERNATIONAL METHANE AND NITROUS OXIDE MITIGATION CONFERENCE, 3., 2003, Beijing. Proceedings... Beijing: China Coal Information Institute, 2003. p. 190-197.Tipo: Artigo em Anais de Congresso |
Biblioteca(s): Embrapa Meio Ambiente. |
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5. | | LIMA, M. A. de; FRIGHETTO, R. T. S.; VILLELA, O. V.; COSTA, F. de S.; BAYER, C.; MACEDO, V. R. M.; MARCOLIN, E. Emissão de metano em cultivo de arroz irrigado por inundação. In: LIMA, M. A.; BODDEY, R. M.; ALVES, B. J. R.; MACHADO, P. L. O. de A.; URQUIAGA, S. (Ed.). Estoques de carbono e emissões de gases de efeito estufa na agropecuária brasileira. Brasília, DF: Embrapa; Jaguariúna: Embrapa Meio Ambiente, 2012. p. 193-221.Tipo: Capítulo em Livro Técnico-Científico |
Biblioteca(s): Embrapa Acre; Embrapa Meio Ambiente. |
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6. | | COSTA, F. de S.; BAYER, C.; LIMA, M. A. de; FRIGHETTO, R. T. S.; BOHNEN, H.; MACEDO, V. R. M.; MARCOLIN, E. Efeito estufa, metano e sistemas de cultivo irrigado no RS. Lavoura Arrozeira, Porto Alegre, v. 52, n. 436, p. 29-32, jul./set. 2004.Biblioteca(s): Embrapa Meio Ambiente. |
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7. | | BAYER, C.; COSTA, F. de S.; PEDROSO, G. M.; ZSCHORNACK, T.; CAMARGO, E. S.; LIMA, M. A. de; FRIGHETTO, R. T. S.; GOMES, J.; MARCOLIN, E.; MACEDO, V. R. M. Yield-scaled greenhouse gas emissions from flood irrigated rice under long-term conventional tillage and no-till systems in a Humid Subtropical climate. Field Crops Research, Amsterdam, v. 162, p. 60-69, June 2014.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Acre; Embrapa Meio Ambiente. |
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Registros recuperados : 7 | |
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