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handle: 10261/111961
[EN] The analysis of 103 studies carried out in the Ebro Basin shows that irrigation efficiency is low-moderate (51%) in flood-irrigated areas with inadequate type of soils, moderate-high (79%) in flood-irrigated areas with appropriate soils, and high (94%) in pressure-irrigated areas. The lower salt and nitrate loads exported from high irrigation efficiency areas indicates that a good irrigation design and management is the key factor to reduce the off-site irrigation-induced environmental pollution. The lack of continuity and homogeneity in the available information indicates the need for the establishment of a permanent control network of the irrigated areas in the Ebro Basin.
[ES] El análisis de 103 estudios realizados en la Cuenca del Ebro muestra que la eficiencia del riego es baja-moderada (51%) en riego por inundación sobre suelos inadecuados para ello, moderada-alta (79%) en riego por inundación sobre suelos adecuados y alta (94%) en riego presurizado. La menor masa de sales y nitrógeno en los retornos de zonas con alta eficiencia del riego indica que una adecuada planificación y manejo del riego es esencial para disminuir las afecciones ambientales del regadío. La falta de continuidad y homogeneidad en la información disponible hace necesario el establecimiento de una Red de Control permanente de los Regadíos del Ebro.
Este trabajo ha sido posible gracias al proyecto 2003-PH-35-I financiado por la Confederación Hidrográfica del Ebro.
14 Pags.- 3 Tabls.
Peer reviewed
Concentration, irrigation efficiency, eficiencia de riego, nitrate, water, Eficiencia de riego, salinidad, Water, Agua, load, nitrato, masa, salinity
Concentration, irrigation efficiency, eficiencia de riego, nitrate, water, Eficiencia de riego, salinidad, Water, Agua, load, nitrato, masa, salinity
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