Please use this identifier to cite or link to this item: https://doi.org/10.15480/882.2792
Publisher DOI: 10.1016/j.gfs.2020.100368
Title: Unveiling the potential for an efficient use of nitrogen along the food supply and consumption chain
Language: English
Authors: Corrado, Sara 
Caldeira, Carla 
Carmona-Garcia, Gema 
Körner, Ina 
Leip, Adrian 
Sala, Serenella 
Keywords: Food system;Food waste;Mass balance;Nitrogen circularity;Nitrogen flows;SDG 12
Issue Date: 11-May-2020
Publisher: Elsevier
Source: Global Food Security (25): 100368 (2020-06-01)
Journal or Series Name: Global food security 
Abstract (english): Ensuring global food security is one of the challenges of our society. Nitrogen availability is key for food production, while contributing to different environmental impacts. This paper aims firstly to assess nitrogen flows and to highlight hotspots of inefficient use of nitrogen along the European food chain, excluding primary production. Secondly, it aims to analyse the potential for reducing the identified inefficiencies and increase nitrogen circularity. A baseline and three scenarios-reflecting waste targets reported in EU legislation and technological improvements- are analysed. Results highlighted a potential to reduce reactive nitrogen emissions up to more than 45%. However, this would imply the conversion of reactive nitrogen in molecular nitrogen, such as urea, before re-entering in the food chain. Techniques to harvest reactive nitrogen directly from urine and wastewater are considered promising to increase nitrogen use efficiency along the food chain.
URI: http://hdl.handle.net/11420/6243
DOI: 10.15480/882.2792
ISSN: 2211-9124
Institute: Abwasserwirtschaft und Gewässerschutz B-2 
Type: (wissenschaftlicher) Artikel
License: CC BY 4.0 (Attribution) CC BY 4.0 (Attribution)
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