Climate change impacts on irrigated maize in Mediterranean climates: Evaluation of double cropping as an emerging adaptation alternative

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dc.contributor.authorMeza, Francisco J.
dc.contributor.authorSilva, Daniel
dc.contributor.authorVigil, Hernan
dc.date.accessioned2024-01-10T13:11:47Z
dc.date.available2024-01-10T13:11:47Z
dc.date.issued2008
dc.description.abstractBecause its relevance for the sustenance and livelihood of human systems, the assessment of the impacts that future climatic conditions may have on agricultural productivity becomes a key piece of information for agricultural scientists and policy makers.
dc.description.abstractSeveral authors have performed assessments of the impacts of climate change on agricultural productivity evaluating alternatives for adaptation that are closely related to current management practices and do not cover a wider range of options.
dc.description.abstractThe objective of this paper is to document the main impacts of climate change scenarios on maize productivity in central Chile, an irrigated Mediterranean region, and evaluate the possibility of double cropping as a response to changes in the length of the growing season.
dc.description.abstractThe results of this research have lead to the conclusion that maize can be affected by climate change, with yield reductions between 10% and 30%, depending on climate change scenario and the type of hybrid used. In addition, climate change will also affect other relevant variables such as the rate of development, allowing the crop to complete its growing cycle in shorter periods of time. In future climate scenarios it is also possible to see a reduction of total irrigation needs, because actual evapotranspiration is diminished. In extreme climate change scenarios, double cropping is a more effective alternative of adaptation compared to management practices such as the use of early sowing dates and reductions in nitrogen fertilization. Double cropping also results in an increase on water demands, nitrogen use, and will likely have an impact on weed, pest and diseases. If climate change also results into impacts on river flows, the incorporation of double cropping could be constrained by imbalances between water demand and supply. (C) 2008 Elsevier Ltd. All rights reserved.
dc.fechaingreso.objetodigital2024-03-19
dc.format.extent10 páginas
dc.fuente.origenWOS
dc.identifier.doi10.1016/j.agsy.2008.03.005
dc.identifier.issn0308-521X
dc.identifier.urihttps://doi.org/10.1016/j.agsy.2008.03.005
dc.identifier.urihttps://repositorio.uc.cl/handle/11534/78096
dc.identifier.wosidWOS:000258161700003
dc.information.autorucAgronomía e Ing. Forestal;Meza F;S/I;86534
dc.information.autorucAgronomía e Ing. Forestal;Silva D;S/I;127154
dc.information.autorucAgronomía e Ing. Forestal;Vigil H;S/I;3733
dc.issue.numero1
dc.language.isoen
dc.nota.accesoContenido parcial
dc.pagina.final30
dc.pagina.inicio21
dc.publisherELSEVIER SCI LTD
dc.revistaAGRICULTURAL SYSTEMS
dc.rightsacceso restringido
dc.subjectclimate change scenarios
dc.subjectmaize yields
dc.subjectDSSAT model
dc.subjectdouble cropping
dc.subjectChile
dc.subjectRISING ATMOSPHERIC CO2
dc.subjectMODEL PREDICTIONS
dc.subjectCARBON-DIOXIDE
dc.subjectELEVATED CO2
dc.subjectTEMPERATURE
dc.subjectCROPS
dc.subjectYIELD
dc.subjectPRODUCTIVITY
dc.subjectVARIABILITY
dc.subjectGROWTH
dc.subject.ods13 Climate Action
dc.subject.ods06 Clean Water and Sanitation
dc.subject.odspa13 Acción por el clima
dc.subject.odspa06 Agua limpia y saneamiento
dc.titleClimate change impacts on irrigated maize in Mediterranean climates: Evaluation of double cropping as an emerging adaptation alternative
dc.typeartículo
dc.volumen98
sipa.codpersvinculados86534
sipa.codpersvinculados127154
sipa.codpersvinculados3733
sipa.indexWOS
sipa.indexScopus
sipa.trazabilidadCarga SIPA;09-01-2024
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