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FARMING PRACTICE EFFECTS ON NITROGEN FOOTPRINTS

Majidi, Ariel; Shade, Jessica; Leach, Allison and Galloway, James (2014) FARMING PRACTICE EFFECTS ON NITROGEN FOOTPRINTS. In: Rahmann, G. and Aksoy, U. (Eds.) Building Organic Bridges, Johann Heinrich von Thünen-Institut, Braunschweig, Germany, 4, Thuenen Report, no. 20, pp. 1131-1134.

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Summary

Organic practices in food production attempt to reduce the detrimental impacts of agricultural systems on the environment and human health. This study explores the effects such practices have on nitrogen (N) pollution, in comparison to conventional food production practices. Virtual N factors were used for this comparison. An organic virtual N factor of 4.6 was calculated for vegetables (37% lower than the conventional virtual N factor), 0.9 for starchy roots (-64%), 0.7 for grains (-86%) and 0.3 for beans (-53%). The organic food N footprints were 43 – 53% less than the conventionally produced food N footprints. This study found that organic practices reduce N pollution with respect to conventional practices of food production. Tracking the effects organic practices have on N pollution will contribute to raising awareness, popularizing the better management of N in agricultural systems, and reducing the negative environmental and human health consequences associated with N pollution.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Paper
Keywords:Nitrogen pollution, organic agriculture, nitrogen cycling, fertilizer, virtual nitrogen factors
Agrovoc keywords:
LanguageValueURI
EnglishNitrogenhttp://aims.fao.org/aos/agrovoc/c_5192
EnglishPollutionhttp://aims.fao.org/aos/agrovoc/c_6077
EnglishOrganic agriculturehttp://aims.fao.org/aos/agrovoc/c_15911
EnglishAgroecosystemshttp://aims.fao.org/aos/agrovoc/c_36669
Subjects: Soil > Nutrient turnover
Environmental aspects > Air and water emissions
Environmental aspects > Biodiversity and ecosystem services
Farming Systems > Farm nutrient management
Research affiliation: International Conferences > 2014: 18th IFOAM OWC Scientific Track: 4th ISOFAR Scientific Conference
USA > Other organizations
ISBN:978-3-86576-128-6
DOI:10.3220/REP_20_1_2014
Deposited By: Shade, Dr. Jessica
ID Code:23271
Deposited On:16 Oct 2014 09:33
Last Modified:16 Oct 2014 09:33
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted
Additional Publishing Information:urn:nbn:de:gbv:253-201407-dn053621-1

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