Articles | Volume 13, issue 18
https://doi.org/10.5194/bg-13-5245-2016
https://doi.org/10.5194/bg-13-5245-2016
Research article
 | 
20 Sep 2016
Research article |  | 20 Sep 2016

Effect of cover crops on greenhouse gas emissions in an irrigated field under integrated soil fertility management

Guillermo Guardia, Diego Abalos, Sonia García-Marco, Miguel Quemada, María Alonso-Ayuso, Laura M. Cárdenas, Elizabeth R. Dixon, and Antonio Vallejo

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Short summary
We carried out a field experiment to evaluate the effect of replacing traditional winter fallow with cover crops (CCs) on greenhouse gas (GHG) emissions. Our results showed that the use of CCs should be recommended as a tool for reducing fertilizer nitrogen (N) input without increasing GHG losses – in the whole intercrop–maize cycle – or penalizing maize yields, if fertilizers are applied taking into account soil mineral N and N from CC residues.
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