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Assessing the ecological soundness of organic and conventional agriculture by means of life cycle assessment (LCA): a case study of leek production

(2009) BRITISH FOOD JOURNAL. 111(10). p.1028-1061
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Abstract
Purpose - Sustainable agriculture implies the ability of agro-ecosystems to remain productive in the long-term. It is not easy to point out unambiguously whether or not current production systems meet this sustainability demand. A priori thinking would suggest that organic crops are environmentally favourable, but, may ignore the effect of reduced productivity, which shifts the potential impact to other parts of the food provision system. The purpose of this paper is to assess the ecological sustainability of conventional and organic leek production by means of life cycle assessment (LCA). Design/methodology/approach - A cradle-to-farm gate LCA is applied, based on real farm data from two research centres. For a consistent comparison, two functional units (FU) were defined: 1ha and I kg of leek production. Findings - Assessed on an area basis, organic farming shows a more favourable environmental profile. These overall benefits are strongly reduced when the lower yields are taken into account. Related to organic farming it is therefore important that solutions are found to substantially increase the yields without increasing the environmental burden. Related to conventional fanning, important potential for environmental improvements are in optimising the farm nutrient flows, reducing pesticide use and increasing its self-supporting capacity. Research lilmitations/implications - The research is a cradle-to-farm gate LCA, future research can be expanded to comprise all phases from cradle-to-grave to get an idea of the total sustainability of our present food consumption patterns. The research is also limited to the case of leek production. Future research can apply the methodology to other crops. Originality/value - To date, there is still lack of clear evidence of the added value of organic farming compared to conventional farming on environmental basis. Few studies have compared organic and conventional food production by means of LCA. This paper addresses these issues.
Keywords
CROP PRODUCTION, PIG PRODUCTION, Crops, Farms, Consumers, Organic food, Sustainable development, ASSESSMENT METHODOLOGY, KEY ELEMENTS, LAND-USE, ENVIRONMENTAL-IMPACT ASSESSMENT, MILK-PRODUCTION, PRODUCTION SYSTEMS, FOOD-PRODUCTION, FARMING SYSTEMS

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Citation

Please use this url to cite or link to this publication:

MLA
De Backer, Eline, et al. “Assessing the Ecological Soundness of Organic and Conventional Agriculture by Means of Life Cycle Assessment (LCA): A Case Study of Leek Production.” BRITISH FOOD JOURNAL, vol. 111, no. 10, 2009, pp. 1028–61, doi:10.1108/00070700910992916.
APA
De Backer, E., Aertsens, J., Vergucht, S., & Steurbaut, W. (2009). Assessing the ecological soundness of organic and conventional agriculture by means of life cycle assessment (LCA): a case study of leek production. BRITISH FOOD JOURNAL, 111(10), 1028–1061. https://doi.org/10.1108/00070700910992916
Chicago author-date
De Backer, Eline, Joris Aertsens, Sofie Vergucht, and Walter Steurbaut. 2009. “Assessing the Ecological Soundness of Organic and Conventional Agriculture by Means of Life Cycle Assessment (LCA): A Case Study of Leek Production.” BRITISH FOOD JOURNAL 111 (10): 1028–61. https://doi.org/10.1108/00070700910992916.
Chicago author-date (all authors)
De Backer, Eline, Joris Aertsens, Sofie Vergucht, and Walter Steurbaut. 2009. “Assessing the Ecological Soundness of Organic and Conventional Agriculture by Means of Life Cycle Assessment (LCA): A Case Study of Leek Production.” BRITISH FOOD JOURNAL 111 (10): 1028–1061. doi:10.1108/00070700910992916.
Vancouver
1.
De Backer E, Aertsens J, Vergucht S, Steurbaut W. Assessing the ecological soundness of organic and conventional agriculture by means of life cycle assessment (LCA): a case study of leek production. BRITISH FOOD JOURNAL. 2009;111(10):1028–61.
IEEE
[1]
E. De Backer, J. Aertsens, S. Vergucht, and W. Steurbaut, “Assessing the ecological soundness of organic and conventional agriculture by means of life cycle assessment (LCA): a case study of leek production,” BRITISH FOOD JOURNAL, vol. 111, no. 10, pp. 1028–1061, 2009.
@article{831010,
  abstract     = {{Purpose - Sustainable agriculture implies the ability of agro-ecosystems to remain productive in the long-term. It is not easy to point out unambiguously whether or not current production systems meet this sustainability demand. A priori thinking would suggest that organic crops are environmentally favourable, but, may ignore the effect of reduced productivity, which shifts the potential impact to other parts of the food provision system. The purpose of this paper is to assess the ecological sustainability of conventional and organic leek production by means of life cycle assessment (LCA).
Design/methodology/approach - A cradle-to-farm gate LCA is applied, based on real farm data from two research centres. For a consistent comparison, two functional units (FU) were defined: 1ha and I kg of leek production.
Findings - Assessed on an area basis, organic farming shows a more favourable environmental profile. These overall benefits are strongly reduced when the lower yields are taken into account. Related to organic farming it is therefore important that solutions are found to substantially increase the yields without increasing the environmental burden. Related to conventional fanning, important potential for environmental improvements are in optimising the farm nutrient flows, reducing pesticide use and increasing its self-supporting capacity.
Research lilmitations/implications - The research is a cradle-to-farm gate LCA, future research can be expanded to comprise all phases from cradle-to-grave to get an idea of the total sustainability of our present food consumption patterns. The research is also limited to the case of leek production. Future research can apply the methodology to other crops.
Originality/value - To date, there is still lack of clear evidence of the added value of organic farming compared to conventional farming on environmental basis. Few studies have compared organic and conventional food production by means of LCA. This paper addresses these issues.}},
  author       = {{De Backer, Eline and Aertsens, Joris and Vergucht, Sofie and Steurbaut, Walter}},
  issn         = {{0007-070X}},
  journal      = {{BRITISH FOOD JOURNAL}},
  keywords     = {{CROP PRODUCTION,PIG PRODUCTION,Crops,Farms,Consumers,Organic food,Sustainable development,ASSESSMENT METHODOLOGY,KEY ELEMENTS,LAND-USE,ENVIRONMENTAL-IMPACT ASSESSMENT,MILK-PRODUCTION,PRODUCTION SYSTEMS,FOOD-PRODUCTION,FARMING SYSTEMS}},
  language     = {{eng}},
  number       = {{10}},
  pages        = {{1028--1061}},
  title        = {{Assessing the ecological soundness of organic and conventional agriculture by means of life cycle assessment (LCA): a case study of leek production}},
  url          = {{http://dx.doi.org/10.1108/00070700910992916}},
  volume       = {{111}},
  year         = {{2009}},
}

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