2025-03-072025-03-072016-09CARMO, Heliton Fernandes do et al. Balanço energético e pegada de carbono nos sistemas de produção integrada e convencional de feijão-comum irrigado. Pesquisa Agropecuária Brasileira, Brasília, v. 51, n. 9, p. 1069-1077, 2016. DOI: 10.1590/S0100-204X2016000900006. Disponível em: https://www.scielo.br/j/pab/a/WHvcP54mVYC8sDZDJgbd5Pq/?lang=pt. Acesso em: 24 jan. 2025.0100-204Xe- 1678-3921http://repositorio.bc.ufg.br//handle/ri/26882The objective of this work was to evaluate the contribution of an integrated farming system (PI) of common bean, in comparison with convectional farming, as to energy use, energy efficiency, and carbon footprint, considered from input manufacturing to grain harvest in the farms, excluding transport. Four farms were selected in Cristalina, state of Goiás, Brazil, during the third harvest season of common bean, in 2009. The PI system reduced the average energy use by 3.1%, in comparison with the conventional system. Values ranged from 22,759.9 to 25,518.4 Mg ha-1. Mineral N fertilization with 6,584.0 MJ ha-1, agricultural operations with 5,309.4 MJ ha-1, and irrigation with 4,961.4 MJ ha-1 had the largest participation in energy use. Energy efficiency in PI (2.16) was higher than in the conventional system (2.01). There was no significant difference between the two systems as to carbon footprint per hectare, but carbon footprint per kilogram of yielded bean in PI (0.301 kg CO2-eq kg-1) was significantly lower than in conventional system (0.325 kg CO2-eq kg-1). The improvement of N fertilizer use efficiency by N biological fixation and the rationalization of machinery are the production system components that contributes the most for the reduction of carbon footprint.porAcesso Abertohttp://creativecommons.org/licenses/by-nc-nd/4.0/Phaseolus vulgarisAdubação mineral nitrogenadaAnálise de ciclo de vidaEficiência energéticaPivô centralPhaseolus vulgaris L.Mineral N fertilizationLife cycle analysisEnergy efficiencyCenter pivot irrigationBalanço energético e pegada de carbono nos sistemas de produção integrada e convencional de feijão-comum irrigadoEnergy balance and carbon footprint in the conventional and integrated production systems of irrigated common beanArtigo10.1590/S0100-204X2016000900006