Diversification and intensification of irrigated maize‐based cropping systems under Mediterranean conditions

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dc.contributor.authorZugasti López, Inés
dc.contributor.authorIsla Climente, Ramón
dc.contributor.authorCavero Campo, José
dc.contributor.orcidZugasti López, Inés [0000-0001-5660-416X]
dc.date.accessioned2025-12-29T06:28:03Z
dc.date.available2025-12-29T06:28:03Z
dc.date.issued2025-12-27
dc.date.updated2025-12-29T05:56:28Z
dc.description.abstractUnder Mediterranean irrigated conditions cover cropping (CC) and double cropping (DC) are diversification/intensification strategies that can increase grain yield and resource use efficiency of the traditional winter fallow-maize (Zea mays L.) system. Four cropping systems were evaluated in terms of productivity, water and nitrogen use efficiency (WUE and NUE) under sprinkler-irrigated conditions during three growing seasons in the Ebro Valley, Spain: (1) long-season maize with winter fallow (F-LSM), (2) long-season maize after a leguminous cover crop (common vetch, Vicia sativa L.) (CC-LSM), (3) short-season maize after a cereal crop (barley, Hordeum vulgare L.) (B-SSM), (4) short-season maize after a leguminous crop (winter peas, Pisum sativum L.) (P-SSM). The introduction of the vetch winter cover crop required an additional 5% irrigation water but allowed to reduce the nitrogen fertilizer applied by 20%, increasing the system grain yield synthetic nitrogen use efficiency (NUEsynt-g) by 27% without affecting the cropping system grain yield and WUE. DC systems required 12% more irrigation water than the traditional F-LSM but produced more grain. The B-SSM was the most productive system (21.9 Mg grain ha−1) and increased the WUE by 32% compared to the F-LSM system, but required a 39% more nitrogen fertilizer. Compared to the traditional F-LSM system, the P-SSM cropping system increased the grain yield (+16%), protein yield (+66%), NUEsynt-g (+20%), and the WUE (+10%). The diversification and intensification of the traditional F-LSM system increased yield (with the DC systems) and resource use efficiency (WUE with the DC systems; NUE with CC-LSM and P-SSM cropping systems).
dc.description.peerreviewedSi
dc.description.sponsorshipEste estudio ha sido financiado por el Ministerio de Economía, Industria y Competitividad de España (AGL2017-84529-C3-1-R, AGL2017-84529-C3-2-R). I. Zugasti recibió una beca predoctoral del Ministerio de Ciencia e Innovación (PRE2020- 093635, Gobierno de España).
dc.identifier.citationZugasti-López, I., Isla, R., & Cavero, J. (2026). Diversification and intensification of irrigated maize-based cropping systems under Mediterranean conditions. Agronomy Journal, 118(1), e70255. https://doi.org/10.1002/agj2.70255
dc.identifier.doi10.1002/agj2.70255
dc.identifier.issn1435-0645
dc.identifier.urihttps://doi.org/10.1002/agj2.70255
dc.identifier.urihttps://hdl.handle.net/10532/8091
dc.language.isoen
dc.publisherWiley
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/AGL2017-84529-C3-2-R/Diseño, gestión y control medioambiental de regadíos modernizados por aspersión en el Valle Medio del Ebro
dc.relation.citaSi
dc.relation.publisherversionhttps://doi.org/10.1002/agj2.70255
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spainen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.agrovocMaíz
dc.subject.agrovocPlanta de cobertura
dc.subject.agrovocCultivo doble
dc.subject.agrovocEficiencia en el uso de los recursos
dc.subject.agrovocUtilización de los nutrientes
dc.subject.agrovocRiego
dc.subject.sdgHambre cero
dc.subject.sdgProducción y consumo responsables
dc.titleDiversification and intensification of irrigated maize‐based cropping systems under Mediterranean conditions
dc.typetexto
dc.typerevista
dc.typeartículo
dc.typeartículo original
dc.type.hasVersionversión publicada

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