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Registro Completo |
Biblioteca(s): |
Embrapa Arroz e Feijão; Embrapa Meio-Norte. |
Data corrente: |
02/06/2022 |
Data da última atualização: |
09/01/2023 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
OLIVEIRA, J. M.; GOLLANY, H. T.; POLUMSKY, R. W.; MADARI, B. E.; LEITE, L. F. C.; MACHADO, P. L. O. A.; CARVALHO, M. T. M. |
Afiliação: |
JANAINA M. OLIVEIRA, pós-graduação UFG; HERO T. GOLLANY, USDA; ROBERT WAYNE POLUMSKY, USDA; BEATA EMOKE MADARI, CNPAF; LUIZ FERNANDO CARVALHO LEITE, CPAMN; PEDRO LUIZ OLIVEIRA DE A MACHADO, CNPAF; MARCIA THAIS DE MELO CARVALHO, CNPAF. |
Título: |
Predicting soil organic carbon dynamics of integrated crop-livestock system in Brazil using the CQESTR model. |
Ano de publicação: |
2022 |
Fonte/Imprenta: |
Frontiers in Environmental Science, v. 10, article 826786, Mar. 2022. |
ISSN: |
2296-665X |
DOI: |
https://doi.org/10.3389/fenvs.2022.826786 |
Idioma: |
Inglês |
Conteúdo: |
Land degradation and reduction in productivity have resulted in losses of soil organic carbon (SOC) in agricultural areas in Brazil. Our objectives were to 1) evaluate the predictive performance of CQESTR model for a tropical savannah; and 2) examine the effect of integrated management systems, including Integrated Crop-Livestock System (ICLS) scenarios on SOC stocks. Two long-term paddocks, under similar edaphic and climate conditions were used in this study. In Paddock 4 (P4) the rotation was corn (Zea mays L.) and 3.5/4.5 years pasture (Urochloa ruziziensis), while rotations in Paddock 5 (P5) included 2.5 years of soybean (Glycine max L.), dryland rice (Oryza sativa L.), and corn followed by 2.5/3.5 years pasture (U. brizantha). Measured and CQESTR simulated values were significantly (0.0001) correlated (r = 0.94) with a mean square deviation (MSD) of 7.55, indicating that the model captured spatial-temporal dynamics of SOC. Predicted SOC increased by 18.0 and 12.04 Mg ha-1 at the rate of 0.90 and 0.60 Mg ha-1 year-1 under current ICLS management for P4 and P5, respectively, by 2039. ICLS increased soil C sequestration compared to simple grain cropping systems under both NT and CT due to high biomass input into the production system. |
Palavras-Chave: |
Integrated crop-livestock. |
Thesagro: |
Carbono; Cerrado; Solo Orgânico. |
Thesaurus Nal: |
Biomass production; Carbon sequestration; Cerrado soils; Land degradation; Soil organic carbon. |
Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1143671/1/fes-2022.pdf
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Marc: |
LEADER 02261naa a2200325 a 4500 001 2143671 005 2023-01-09 008 2022 bl uuuu u00u1 u #d 022 $a2296-665X 024 7 $ahttps://doi.org/10.3389/fenvs.2022.826786$2DOI 100 1 $aOLIVEIRA, J. M. 245 $aPredicting soil organic carbon dynamics of integrated crop-livestock system in Brazil using the CQESTR model.$h[electronic resource] 260 $c2022 520 $aLand degradation and reduction in productivity have resulted in losses of soil organic carbon (SOC) in agricultural areas in Brazil. Our objectives were to 1) evaluate the predictive performance of CQESTR model for a tropical savannah; and 2) examine the effect of integrated management systems, including Integrated Crop-Livestock System (ICLS) scenarios on SOC stocks. Two long-term paddocks, under similar edaphic and climate conditions were used in this study. In Paddock 4 (P4) the rotation was corn (Zea mays L.) and 3.5/4.5 years pasture (Urochloa ruziziensis), while rotations in Paddock 5 (P5) included 2.5 years of soybean (Glycine max L.), dryland rice (Oryza sativa L.), and corn followed by 2.5/3.5 years pasture (U. brizantha). Measured and CQESTR simulated values were significantly (0.0001) correlated (r = 0.94) with a mean square deviation (MSD) of 7.55, indicating that the model captured spatial-temporal dynamics of SOC. Predicted SOC increased by 18.0 and 12.04 Mg ha-1 at the rate of 0.90 and 0.60 Mg ha-1 year-1 under current ICLS management for P4 and P5, respectively, by 2039. ICLS increased soil C sequestration compared to simple grain cropping systems under both NT and CT due to high biomass input into the production system. 650 $aBiomass production 650 $aCarbon sequestration 650 $aCerrado soils 650 $aLand degradation 650 $aSoil organic carbon 650 $aCarbono 650 $aCerrado 650 $aSolo Orgânico 653 $aIntegrated crop-livestock 700 1 $aGOLLANY, H. T. 700 1 $aPOLUMSKY, R. W. 700 1 $aMADARI, B. E. 700 1 $aLEITE, L. F. C. 700 1 $aMACHADO, P. L. O. A. 700 1 $aCARVALHO, M. T. M. 773 $tFrontiers in Environmental Science$gv. 10, article 826786, Mar. 2022.
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Embrapa Arroz e Feijão (CNPAF) |
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![](/consulta/web/img/deny.png) | Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
Registro Completo
Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
14/01/2010 |
Data da última atualização: |
10/10/2022 |
Tipo da produção científica: |
Resumo em Anais de Congresso |
Autoria: |
SILVA-PINHATI, A. C.; BOSCARIOL-CAMARGO, R. L.; MALOSSO, A.; SOUZA, A. A. de; AMARAL, A. M. do; CARLOS, E. F.; FREITAS-ASTUA, J.; TAKITA, M. A.; TARGON, M. L. N. P.; MACHADO, M. A. |
Afiliação: |
Ana Carla Silva-Pinhati, IAC; Raquel Luciana Boscariol-Camargo, IAC; Adriano Malosso, IAC; Alessandra Alves de Souza, IAC; Alexandre Morais do Amaral, CENARGEN; Eduardo Fermino Carlos, IAC; Juliana Freitas-Astua, CNPMF; Marco Aurelio Takita, IAC; Maria Luisa N.P. Targon, IAC; Marcos Antonio Machado, IAC. |
Título: |
ESTs of roots of different citrus species and differential expression of genes associated to drought tolerance. |
Ano de publicação: |
2009 |
Fonte/Imprenta: |
In: INTERNATIONAL PLANT & ANIMAL GENOMES CONFERENCE, 17., 2009, San Diego, CA. [Proceedings...]. [S. l.: s.n.], 2009. |
Páginas: |
W112 |
Idioma: |
Inglês |
Palavras-Chave: |
Estresse. |
Thesagro: |
Água; Fruta Cítrica; Gene; Genótipo. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00884nam a2200277 a 4500 001 1580510 005 2022-10-10 008 2009 bl uuuu u00u1 u #d 100 1 $aSILVA-PINHATI, A. C. 245 $aESTs of roots of different citrus species and differential expression of genes associated to drought tolerance.$h[electronic resource] 260 $aIn: INTERNATIONAL PLANT & ANIMAL GENOMES CONFERENCE, 17., 2009, San Diego, CA. [Proceedings...]. [S. l.: s.n.]$c2009 300 $aW112 650 $aÁgua 650 $aFruta Cítrica 650 $aGene 650 $aGenótipo 653 $aEstresse 700 1 $aBOSCARIOL-CAMARGO, R. L. 700 1 $aMALOSSO, A. 700 1 $aSOUZA, A. A. de 700 1 $aAMARAL, A. M. do 700 1 $aCARLOS, E. F. 700 1 $aFREITAS-ASTUA, J. 700 1 $aTAKITA, M. A. 700 1 $aTARGON, M. L. N. P. 700 1 $aMACHADO, M. A.
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