Evaluation of the Environmental Burdens of Sugar Beet Production with the Life Cycle Method in Hamadan Province

Authors

1 Department of Plant Production and Genetic, Faculty of Agriculture, University of Zanjan

2 Department of Agricultural Machinery, Faculty of Agricultural Engineering and Technology, University of Tehran, Karaj, Iran

3 Department of Biosystems Engineering, Faculty of Agriculture, University of Tehran, Karaj, Iran

Abstract

This work presents estimates of the emissions resulting from the production of sugar beet from Consumption of inputs in cultivation to the final product at the farm gate. Life cycle assessment method was used. The study covers the impact of abiotic and fossil depletion potential, acidification potential, eutrophication potential, global warming potential for time horizon 100 years, ozone depletion potential, human toxicity potential, freshwater and marine aquatic ecotoxicity potential, terrestrial ecotoxicity potential, and photochemical oxidation potential. The results of this analysis are presented for the functional unit of 1 tonne sugar beet without allocation. Abiotic depletion, abiotic depletion (fossil fuel), acidification, eutrophication, global warming, ozone depletion, human toxicity, freshwater aquatic ecotoxicity, marine aquatic ecotoxicity, terrestrial ecotoxicity, and photochemical oxidation were calculated as 3.78×10-4 kg Sb eq, 3.57×10+3 MJ, 310 kgCO2 eq, 8.25 ×10-6 kgCFC-11 eq, 37.70 kg 1,4-DB eq, 47.40 kg 1,4-DB eq, 5.45×10+4 kg 1,4-DB eq, 1.72 kg 1,4-DB eq, 5.37×10-2 kg C2H4 eq, 3.16 kg SO2 eq, 1.73 kg PO4 eq, respectively. Almost all impact categories were dominated by electricity and chemical fertilizers. Replacing grid electricity as the main source of irrigation energy source with renewable electrical energies reduced the environmental burdens for sugar beet production. Due to the limited water resources in Iran, changing and improving the cultivation pattern on micro and macro scales can significantly affect the environment.

Keywords

References

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Agricultural Mechanization
Volume 8, Issue 2
June 2023
Pages 45-53

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History

  • Receive Date: 29 March 2023
  • Revise Date: 22 July 2023
  • Accept Date: 03 September 2023

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