NDLI: Greenhouse gas emissions from conventional and organic cropping systems in Spain. I. Herbaceous crops

Content Provider	Springer Nature Link
Author	Aguilera, Eduardo Guzmán, Gloria Alonso, Antonio
Copyright Year	2014
Abstract	Agriculture is a major driver of climate change, particularly when all indirect emission sources are accounted for. Mitigation options targeted on one process are often proposed, ignoring their secondary effects on the overall greenhouse gas balance. Integrative methodologies such as life cycle assessment (LCA) are often applied without adjusting emission factors to specific site characteristics. Here, we used LCA to calculate the global warming potential of 38 pairs of organic and conventional herbaceous cropping systems and products in Spain. Crop products included rainfed cereals and pulses, rice, open-air vegetables, and greenhouse vegetables. We used data from farmer interviews and published conversion factors. Our results show that the emission balances were dominated by fossil fuel use rather than by direct field emissions. Organic management reduced crop emissions by 36–65 %, with the exception of rice showing an increase of 8 % due to methane generation. Product-based emissions of organic crops were also lower by 30 % on average, except for rice.
Starting Page	713
Ending Page	724
Page Count	12
File Format	PDF
ISSN	17740746
Journal	Agronomy for Sustainable Development
Volume Number	35
Issue Number	2
e-ISSN	17730155
Language	English
Publisher	Springer Paris
Publisher Date	2014-11-28
Publisher Institution	Institut National de la Recherche Agronomique (INRA)
Publisher Place	Paris
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Life cycle assessment Greenhouse gas emission Mediterranean Organic management Carbon sequestration Nitrous oxide Coproduct allocation Agriculture Soil Science & Conservation Sustainable Development
Content Type	Text
Resource Type	Article
Subject	Environmental Engineering Agronomy and Crop Science

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