2016
DOI: 10.1590/s0100-204x2016000900006
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Abstract: Resumo O objetivo deste trabalho foi avaliar a contribuição do sistema de produção integrada de feijão-comum (PI), em comparação ao sistema de produção convencional, quanto ao uso de energia, à eficiência energética e à pegada de carbono, contabilizados desde a fabricação de insumos até a colheita de grãos nas fazendas, tendo-se excluído o transporte. Foram selecionadas quatro fazendas em Cristalina, GO, na terceira época de produção de feijão, em 2009. O sistema PI reduziu o uso médio de energia em 3,1%, em c… Show more

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Cited by 7 publications
(5 citation statements)
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“…Based on a t of common bean grains, the GWP values obtained by were 36% lower than ours because the crop yield in USA conditions was higher. Do Carmo et al (2016) obtained a GWP per ha for irrigated common bean in Brazil that was between 2% and 5% lower than ours depending on the farming system (conventional and integrated, respectively); however, the mentioned authors obtained a higher yield, and thus the difference of the GWP per t of common bean grain was even higher. obtained values lower than all the works mentioned above for common bean GWP, which ranged from 289 to 950 kg CO 2 eq ha À1 depending on the agricultural system and the cultivar.…”
Section: Environmental Impact Assessment Of the Crop Production Processcontrasting
confidence: 72%
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“…Based on a t of common bean grains, the GWP values obtained by were 36% lower than ours because the crop yield in USA conditions was higher. Do Carmo et al (2016) obtained a GWP per ha for irrigated common bean in Brazil that was between 2% and 5% lower than ours depending on the farming system (conventional and integrated, respectively); however, the mentioned authors obtained a higher yield, and thus the difference of the GWP per t of common bean grain was even higher. obtained values lower than all the works mentioned above for common bean GWP, which ranged from 289 to 950 kg CO 2 eq ha À1 depending on the agricultural system and the cultivar.…”
Section: Environmental Impact Assessment Of the Crop Production Processcontrasting
confidence: 72%
“…Además, el ACV presenta una característica fundamental, que lo convierte en una herramienta muy útil para evaluar el efecto ambiental de las sustituciones tecnológicas en agricultura, puesto que permite analizar las diferencias entre los efectos ambientales de diferentes sistemas de producción . De esta forma se ha utilizado para comparar diferentes sistemas productivos como el convencional, el integrado (Do Carmo et al, 2016), y el orgánico (denominado "ecológico" en España) . Incluso estos últimos autores encontraron que el ACV fue útil también para comparar el impacto ambiental del cultivo de Phaseolus vulgaris L. utilizando diferentes cultivares.…”
Section: La Dimensión Ambiental En La Utilización De Los Inoculantes En Agriculturaunclassified
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“…Validated LCA studies have been adopted to represent the real production chains of common types of food consumed in Brazil (considering standard and vegetarian diets): for sugarcane and its products (e.g., sugar) 0.23 kgCO /kg [ 38 , 39 ], rice 1.14 kgCO /kg [ 19 , 40 ], beans 0.31 kgCO /kg [ 41 ], soybean 10.58 kgCO /kg [ 18 , 42 , 43 ], banana 0.42 kgCO /kg [ 44 ], urban and rural fresh vegetables [ 45 ], carrots [ 46 ], pasta 0.46 kgCO /kg [ 47 ], milk [ 48 ], lettuce 0.22 kgCO /kg [ 20 ] olive oil in Greece 1.2 kgCO /kg [ 49 ], and bread 0.02 kgCO /kg [ 50 ]. The effects of deforestation in the Brazilian scenario followed [ 51 ], and a comparison of organic and conventional farming systems followed [ 52 ].…”
Section: Methodsmentioning
confidence: 99%
“…The factors adapted by Macedo et al. (2008) and by Do Carmo et al. (2016) were used to calculate the indirect emission associated with the manufacturing of insecticides and fungicide, respectively.…”
Section: Methodsmentioning
confidence: 99%