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dc.contributor.authorFranco-Luesma, Samuel-
dc.contributor.authorCavero Campo, José-
dc.contributor.authorPlaza-Bonilla, Daniel-
dc.contributor.authorCantero-Martínez, Carlos-
dc.contributor.authorTortosa Muñoz, Germán-
dc.contributor.authorBedmar, Eulogio J.-
dc.contributor.authorÁlvaro-Fuentes, Jorge-
dc.identifierdoi: 10.1002/agj2.20057-
dc.identifierissn: 1435-0645-
dc.identifier.citationAgronomy Journal 112: 56-71 (2020)-
dc.description.abstractIrrigation and soil management can impact soil nitrous oxide (NO) emissions. Flood and sprinkler irrigation systems together with conventional tillage are the main practices used in the high yielding maize systems in Mediterranean Spain. The objective of this field work was to quantify the effect of the irrigation system (i.e., flood, F; and sprinkler, S) and the soil tillage system (i.e., conventional tillage, CT; no-tillage maintaining the maize stover, NTr; and no-tillage removing the maize stover, NT) on the NO emissions from the soil during 3 yr (2015, 2016, and 2017). S irrigation, with mean values of 1.35 kg NO-N ha yr throughout the 3 yr, obtained 42% lower NO emissions than F irrigation. On average of the three growing seasons, yield-scaled NO emissions by grain yield and by grain N uptake in F irrigation were two-fold higher than in S irrigation. Moreover, in one out of three growing seasons (2017), no-tillage systems (i.e., NTr and NT) showed greater yield-scaled NO emissions compared with CT. The higher maize grain yield with the S irrigation compared to F irrigation, as well as the lower NO emissions reported under S irrigation resulted in the reduction of the yield-scaled NO emissions. Our findings highlight the role of sprinkler irrigation decreasing NO emissions in comparison to flood irrigation in Mediterranean agroecosystems.-
dc.description.sponsorshipSamuel Franco-Luesma was awarded a FPI fellowship by the Ministerio de Economia y Competitividad of Spain (PhD fellowship BES-2014-069175). Daniel Plaza-Bonilla was awarded Juan de la Cierva postdoctoralgrants from the Ministerio de Economía y Competitividad of Spain (refs. FJCI-2014-19570; IJCI-2016-27784). This research was supported by the Comisión Interministerial de Ciencia y Tecnología of Spain (grants AGL2013-49062-C4-4-R). This paper has been produced within the context of theRed SIRENA network (Ref. AGL2015-68881-REDT) fundedby the Ministerio de Economiìa y Competitividad of Spain.-
dc.publisherAmerican Society of Agronomy-
dc.subjectNitrous Oxide Production-
dc.subjectNitrification inhibitor-
dc.subjectSoil emission-
dc.titleIrrigation and tillage effects on soil nitrous oxide emissions in maize monoculture-
dc.contributor.funderMinisterio de Economía y Competitividad (España)-
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