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Análisis de la eficiencia de aplicación y de los cambios microclimáticos y fisiológicos en el riego por aspersión

Authors: Urrego Pereira, Yenny Fernanda;

Análisis de la eficiencia de aplicación y de los cambios microclimáticos y fisiológicos en el riego por aspersión

Abstract

[ES] En el riego por aspersión parte del agua emitida por los aspersores se pierde por evaporación y arrastre (WDEL) durante el riego. Asimismo, tras el riego el agua interceptada por el cultivo se evapora. Estas pérdidas de agua modifican el microclima en el que crecen las plantas provocando cambios fisiológicos en las mismas. La eficiencia de aplicación del agua de riego está determinada tanto por las pérdidas de agua como por la uniformidad del riego y la respuesta productiva del cultivo. En este trabajo se ha analizado: 1) los cambios microclimáticos y fisiológicos y la eficiencia de aplicación en el riego por aspersión del maíz (Zea mays L.) en un sistema de pívot central, 2) el efecto del riego por aspersión sobre la fotosíntesis del maíz y la alfalfa (Medicago sativa L.), y 3) la relevancia del momento de riego y de las pérdidas de agua en el rendimiento del maíz regado con un sistema de aspersión de cobertura total.

[EN] During sprinkler irrigation some water is lost due to wind drift and evaporation (WDEL). Besides, after the irrigation finishes the water intercepted by the crop evaporates. Those water losses modify the microclirnatic conditions where the plants are growing and cause plant physiological changes. Water application efficiency is affected by water losses, irrigation unifomity and the crop production. In this work we analyzed: 1) the microclimatic and plant physiological changes and the water application efficiency of sprinkler irrigated maize (Zea mays L.) with a center pivot system, 2) the effect of sprinkler irrigation on the photosynthesis of maize and alfalfa (Medicago sativa L.), and 3) the relevance of irrigation time and water losses on maize yield in a solid-set sprinkler irrigation system.

Esta tesis se ha realizado en el Departamento de Suelo y Agua de la Estación Experimental de Aula Dei (EEAD) del Consejo Superior de Investigaciones Científicas (CSIC) y se ha desarrollado gracias a una beca del programa FPI MINECO y a los proyectos “Gestión avanzada del riego por aspersión en parcela” (AGL2007-66716-C03-01102) y “Riego por aspersión: aplicación del agua, agronomía y flujos de retorno” (AGL2O1O-21681-C03-01103) del Ministerio de Economía y Competitividad español.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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