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Registro Completo |
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Biblioteca(s): |
Embrapa Meio Ambiente; Embrapa Soja. |
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Data corrente: |
21/03/2016 |
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Data da última atualização: |
18/04/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
MATSUURA, M. I. da S. F.; DIAS, F. R. T.; PICOLI, J. F.; LUCAS, K. R. G.; CASTRO, C. de; HIRAKURI, M. H. |
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Afiliação: |
MARILIA IEDA DA S F MATSUURA, CNPMA; FERNANDO RODRIGUES TEIXEIRA DIAS, CPAP; JULIANA FERREIRA PICOLI, FEM-UNICAMP.; KÁSSIO RICARDO GARCIA LUCAS, UEL; CESAR DE CASTRO, CNPSO; MARCELO HIROSHI HIRAKURI, CNPSO. |
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Título: |
Life-cycle assessment of the soybean-sunflower production system in the brazilian Cerrado. |
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Ano de publicação: |
2017 |
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Fonte/Imprenta: |
International Journal of Life Cycle Assessment, v. 22, n. 4, p. 492-501, 2017. |
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ISSN: |
1614-7502 |
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DOI: |
10.1007/s11367-016-1089-6 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Purpose In the BCerrado^ (Brazilian savanna), sunflower comes mostly from a cropping system where its seeding follows soybean harvest. Soybean has a much higher economic value,butthisassociationwithsunflowerreducestheenvironmental impacts from both crops by sharing resources. This study performed a life-cycle assessment (LCA) of the soybean-sunflower cropping system, identified its hotspots, and compared its environmental performance with two hypothetical monocultures, in order to corroborate its benefits. Methods Soybean-sunflowercroppingsysteminventory used datafromfarmsoftheParecisregion,consolidatedbyexperts. Inventories for soybean and sunflower monocultures were estimated from the cropping system inventory. LUC (landuse changes) were calculated from CONAB (2015), FAOSTAT (2012), and Macedo et al. (P Natl Acad Sci USA 109:1341-1346, 2012). Emissions estimation followed Nemecek and Schnetzer (2011), Milà i Canals (2003), and EC (2010). Land occupation, land-use changes, and liming were allocated by occupation time, but a sensitivity analysis was performed for yield and gross margin as allocation criteria. ReCiPe Midpoint (H) v1.12/World ReCiPe H was the impact assessment method, and some categories were disregarded as not relevant. We used pedigree matrix to estimate uncertainties for inventory and Monte Carlo method for impact uncertainty analysis as in Goedkoop et al. (2008). We used SimaPro 8.0.5.13. Results and discussion The soybean-sunflower cropping system generate relevant human toxicity, freshwater toxicity, freshwatereutrophication,climatechange,andterrestrialacidification impacts, related to emissions derived from nitrogen and phosphate fertilizers and emissions generated by LUC. Sunflower-soybeancroppingsystemhasbetterenvironmental performance when compared to the combination of monocultures because of a number of synergies made possible by sharing land use and other resources. Changing the allocation criteria altered the relative performance of some categories, butinallcategoriestheenvironmentalimpactsofthecropping system were lower than those of the corresponding monocultureimpacts,regardlessoftheallocationcriteriaimplemented. Conclusions We concluded that the environmental performance of the soybean-sunflower cropping system can be improved by optimizing the use of chemical fertilizers. Climate change impacts, which are mostly driven by LUC, could be reduced by production intensification, preventing the clearing of nativevegetation for agriculturalpurposes. This study confirmed the environmental benefits of cropping systems when compared to monocultures and the advantages of association of nitrogen-fixing legumes with other plant species in a production system. MenosAbstract: Purpose In the BCerrado^ (Brazilian savanna), sunflower comes mostly from a cropping system where its seeding follows soybean harvest. Soybean has a much higher economic value,butthisassociationwithsunflowerreducestheenvironmental impacts from both crops by sharing resources. This study performed a life-cycle assessment (LCA) of the soybean-sunflower cropping system, identified its hotspots, and compared its environmental performance with two hypothetical monocultures, in order to corroborate its benefits. Methods Soybean-sunflowercroppingsysteminventory used datafromfarmsoftheParecisregion,consolidatedbyexperts. Inventories for soybean and sunflower monocultures were estimated from the cropping system inventory. LUC (landuse changes) were calculated from CONAB (2015), FAOSTAT (2012), and Macedo et al. (P Natl Acad Sci USA 109:1341-1346, 2012). Emissions estimation followed Nemecek and Schnetzer (2011), Milà i Canals (2003), and EC (2010). Land occupation, land-use changes, and liming were allocated by occupation time, but a sensitivity analysis was performed for yield and gross margin as allocation criteria. ReCiPe Midpoint (H) v1.12/World ReCiPe H was the impact assessment method, and some categories were disregarded as not relevant. We used pedigree matrix to estimate uncertainties for inventory and Monte Carlo method for impact uncertainty analysis as in Goedkoop et al. (2008). We used SimaPro 8.0.5.13. Results and discussion The soybean-sunflower cropping syst... Mostrar Tudo |
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Palavras-Chave: |
Avaliação do ciclo de vida. |
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Thesagro: |
Cerrado; Girassol; Helianthus Annuus; Impacto ambiental; Produção; Soja. |
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Thesaurus Nal: |
Environmental assessment; Life cycle assessment; Soybeans. |
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Categoria do assunto: |
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P Recursos Naturais, Ciências Ambientais e da Terra |
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Marc: |
LEADER 03707naa a2200325 a 4500
001 2067575
005 2018-04-18
008 2017 bl uuuu u00u1 u #d
022 $a1614-7502
024 7 $a10.1007/s11367-016-1089-6$2DOI
100 1 $aMATSUURA, M. I. da S. F.
245 $aLife-cycle assessment of the soybean-sunflower production system in the brazilian Cerrado.$h[electronic resource]
260 $c2017
520 $aAbstract: Purpose In the BCerrado^ (Brazilian savanna), sunflower comes mostly from a cropping system where its seeding follows soybean harvest. Soybean has a much higher economic value,butthisassociationwithsunflowerreducestheenvironmental impacts from both crops by sharing resources. This study performed a life-cycle assessment (LCA) of the soybean-sunflower cropping system, identified its hotspots, and compared its environmental performance with two hypothetical monocultures, in order to corroborate its benefits. Methods Soybean-sunflowercroppingsysteminventory used datafromfarmsoftheParecisregion,consolidatedbyexperts. Inventories for soybean and sunflower monocultures were estimated from the cropping system inventory. LUC (landuse changes) were calculated from CONAB (2015), FAOSTAT (2012), and Macedo et al. (P Natl Acad Sci USA 109:1341-1346, 2012). Emissions estimation followed Nemecek and Schnetzer (2011), Milà i Canals (2003), and EC (2010). Land occupation, land-use changes, and liming were allocated by occupation time, but a sensitivity analysis was performed for yield and gross margin as allocation criteria. ReCiPe Midpoint (H) v1.12/World ReCiPe H was the impact assessment method, and some categories were disregarded as not relevant. We used pedigree matrix to estimate uncertainties for inventory and Monte Carlo method for impact uncertainty analysis as in Goedkoop et al. (2008). We used SimaPro 8.0.5.13. Results and discussion The soybean-sunflower cropping system generate relevant human toxicity, freshwater toxicity, freshwatereutrophication,climatechange,andterrestrialacidification impacts, related to emissions derived from nitrogen and phosphate fertilizers and emissions generated by LUC. Sunflower-soybeancroppingsystemhasbetterenvironmental performance when compared to the combination of monocultures because of a number of synergies made possible by sharing land use and other resources. Changing the allocation criteria altered the relative performance of some categories, butinallcategoriestheenvironmentalimpactsofthecropping system were lower than those of the corresponding monocultureimpacts,regardlessoftheallocationcriteriaimplemented. Conclusions We concluded that the environmental performance of the soybean-sunflower cropping system can be improved by optimizing the use of chemical fertilizers. Climate change impacts, which are mostly driven by LUC, could be reduced by production intensification, preventing the clearing of nativevegetation for agriculturalpurposes. This study confirmed the environmental benefits of cropping systems when compared to monocultures and the advantages of association of nitrogen-fixing legumes with other plant species in a production system.
650 $aEnvironmental assessment
650 $aLife cycle assessment
650 $aSoybeans
650 $aCerrado
650 $aGirassol
650 $aHelianthus Annuus
650 $aImpacto ambiental
650 $aProdução
650 $aSoja
653 $aAvaliação do ciclo de vida
700 1 $aDIAS, F. R. T.
700 1 $aPICOLI, J. F.
700 1 $aLUCAS, K. R. G.
700 1 $aCASTRO, C. de
700 1 $aHIRAKURI, M. H.
773 $tInternational Journal of Life Cycle Assessment$gv. 22, n. 4, p. 492-501, 2017.
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