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dc.contributor.authorLUGATO EMANUELEen_GB
dc.contributor.authorLEIP ADRIANen_GB
dc.contributor.authorJONES ARWYNen_GB
dc.date.accessioned2018-11-16T01:09:20Z-
dc.date.available2018-11-15en_GB
dc.date.available2018-11-16T01:09:20Z-
dc.date.created2018-11-12en_GB
dc.date.issued2018en_GB
dc.date.submitted2017-05-30en_GB
dc.identifier.citationNATURE CLIMATE CHANGE vol. 8 p. 219–223en_GB
dc.identifier.issn1758-678X (online)en_GB
dc.identifier.urihttps://www.nature.com/articles/s41558-018-0087-z#Sec11en_GB
dc.identifier.urihttp://publications.jrc.ec.europa.eu/repository/handle/JRC106969-
dc.description.abstractInternational initiatives such as the ‘4 pour 1000’ are promoting enhanced carbon (C) sequestration in agricultural soils as a way to mitigate greenhouse gas emissions1. However, changes in soil organic C turnover feedback into the nitrogen (N) cycle2, meaning that variation in soil nitrous oxides (N2O) emissions may offset or enhance C sequestration actions3. Here we use a biogeochemistry model on approximately 8,000 soil sampling locations in the EU4 to quantify the net CO2 equivalent (CO2eq) fluxes associated with representative C mitigating agricultural practices. Practices based on integrated crop residue retention and lower soil disturbance are found to not increase N2O emissions as long as C accumulation continues (until around 2040), thereafter leading to a moderate C sequestration offset mostly below 47% by 2100. The introduction of N fixing cover crops allowed higher C accumulation over the initial 20 years, but this gain was progressively offset by higher N2O emissions over time. By 2060, around half of the sites became a net source of greenhouse gases. We conclude that a significant CO2 mitigation can be achieved in the initial 20-30 years of any C management scheme but, afterward, N inputs should be controlled through appropriate management.en_GB
dc.description.sponsorshipJRC.D.3-Land Resourcesen_GB
dc.format.mediumOnlineen_GB
dc.languageENGen_GB
dc.publisherNATURE PUBLISHING GROUPen_GB
dc.relation.ispartofseriesJRC106969en_GB
dc.titleMitigation potential of soil carbon management overestimated by neglecting N2O emissionsen_GB
dc.typeArticles in periodicals and booksen_GB
dc.identifier.doi10.1038/s41558-018-0087-z (online)en_GB
JRC Directorate:Sustainable Resources

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