Water use efficiency and water productivity in the Spanish irrigation district ¿Río Adaja?

Naroua, Illiassou and Rodríguez Sinobas, Leonor and Sánchez Calvo, Raúl (2014). Water use efficiency and water productivity in the Spanish irrigation district ¿Río Adaja?. "International Journal of Agricultural Policy and Research", v. 2 (n. 12); pp. 484-491. ISSN 2350-1561. https://doi.org/10.15739/IJAPR.021.

Description

Title: Water use efficiency and water productivity in the Spanish irrigation district ¿Río Adaja?
Author/s:
  • Naroua, Illiassou
  • Rodríguez Sinobas, Leonor
  • Sánchez Calvo, Raúl
Item Type: Article
Título de Revista/Publicación: International Journal of Agricultural Policy and Research
Date: December 2014
ISSN: 2350-1561
Volume: 2
Subjects:
Faculty: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Department: Ingeniería Rural [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A study of the assessment of the irrigation water use has been carried out in the Spanish irrigation District “Río Adaja” that has analyzed the water use efficiency and the water productivity indicators for the main crops for three years: 2010-2011, 2011-2012 and 2012-2013. A soil water balance model was applied taking into ccount climatic data for the nearby weather station and soil properties. Crop water requirements were calculated by the FAO Penman- Monteith with the application of the dual crop coefficient and by considering the readily vailable soil water content (RAW) concept. Likewise, productivity was measured by the indexes: annual relative irrigation supply (ARIS), annual relative water supply (ARWS), relative rainfall supply (RRS), the water productivity (WP), the evapotranspiration water productivity (ETWP), and the irrigation water productivity (IWP. The results show that in most crops deficit irrigation was applied (ARIS<1) in the first two years however, the IWP improved. This was higher in 2010-2011 which corresponded to the highest effective precipitation Pe. In general, the IWP (€.m-3) varied amongcrops but crops such as: onion (4.14, 1.98 and 2.77 respectively for the three years), potato (2.79, 1.69 and 1.62 respectively for the three years), carrot (1.37, 1.70 and 1.80 respectively for the three years) and barley (1.21, 1.16 and 0.68 respectively for the three years) showed the higher values. Thus, it is highlighted the y could be included into the cropping pattern which would maximize the famer’s gross income in the irrigation district.

More information

Item ID: 36218
DC Identifier: http://oa.upm.es/36218/
OAI Identifier: oai:oa.upm.es:36218
DOI: 10.15739/IJAPR.021
Official URL: http://journalissues.org/ijapr-december-2014/
Deposited by: Memoria Investigacion
Deposited on: 25 Jun 2015 13:07
Last Modified: 25 Jun 2015 13:07
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