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Carbon sequestration and stabilization in a 40-year agronomic long-term experiment

Steffens, Markus; Mayer, J.; Mäder, P. and Fliessbach, A. (2019) Carbon sequestration and stabilization in a 40-year agronomic long-term experiment. In: Agroscope, FiBL, ETH (Eds.) Program and abstract book. Comparing organic and conventional agricultural cropping systems - What can be learned from the DOK and other long-term trials? Congressi Stefano Franscini, Monte Verità, Ascona, Switzerland, October 6-10, 2019, p. 83.

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Summary

Soils contain more carbon (C) in the form of organic matter (soil organic matter = SOM) than the entire atmosphere and global vegetation put together. They are thus a central component of the global C cycle and its largest dynamic reservoir. On the one hand, intelligent agricultural practices are discussed as a way of mitigating climate change because they can increase the amount of SOM and thus actively remove C from the atmosphere. On the other hand, all intensively used soils lose C in the long term. Central questions in this context revolve around the extent and dynamics of storage, the stabilisation mechanisms involved and the impact of agricultural use on the C budget.


EPrint Type:Conference paper, poster, etc.
Type of presentation:Poster
Keywords:soil sciences, long-term experiments, carbon sequestration, DOK
Subjects: Knowledge management > Research methodology and philosophy > Systems research and participatory research
Soil > Nutrient turnover
Research affiliation: Switzerland > FiBL - Research Institute of Organic Agriculture Switzerland > Soil Sciences
Related Links:https://www.fibl.org.live.fibl.info/en/locations/switzerland/work-areas-switzerland/soil-sciences.html
Deposited By: Mäder, Paul
ID Code:36902
Deposited On:05 Dec 2019 11:54
Last Modified:05 Dec 2019 12:03
Document Language:English
Status:Published
Refereed:Peer-reviewed and accepted

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