Evapotranspiration and crop coefficients of rice (Oryza sativa L.) under sprinkler irrigation in a semiarid climate determined by the surface renewal method

Moratiel Yugueros, Ruben y Martínez Cob, A. (2011). Evapotranspiration and crop coefficients of rice (Oryza sativa L.) under sprinkler irrigation in a semiarid climate determined by the surface renewal method. "Irrigation Science" ; pp. 1-12. ISSN 0342-7188. https://doi.org/10.1007/s00271-011-0319-8.

Descripción

Título: Evapotranspiration and crop coefficients of rice (Oryza sativa L.) under sprinkler irrigation in a semiarid climate determined by the surface renewal method
Autor/es:
  • Moratiel Yugueros, Ruben
  • Martínez Cob, A.
Tipo de Documento: Artículo
Título de Revista/Publicación: Irrigation Science
Fecha: 2011
Materias:
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Producción Vegetal: Fitotecnia [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

The evapotranspiration (ETc) of sprinkler-irrigated rice was determined for the semiarid conditions of NE Spain during 2001, 2002 and 2003. The surface renewal method, after calibration against the eddy covariance method, was used to obtain values of sensible heat flux (H) from high-frequency temperature readings. Latent heat flux values were obtained by solving the energy balance equation. Finally, lysimeter measurements were used to validate the evapotranspiration values obtained with the surface renewal method. Seasonal rice evapotranspiration was about 750–800 mm. Average daily ETc for mid-season (from 90 to 130 days after sowing) was 5.1, 4.5 and 6.1 mm day−1 for 2001, 2002 and 2003, respectively. The experimental weekly crop coefficients fluctuated in the range of 0.83–1.20 for 2001, 0.81–1.03 for 2002 and 0.84–1.15 for 2003. The total growing season was about 150–160 days. In average, the crop coefficients for the initial (Kcini), mid-season (Kcmid) and late-season stages (Kcend) were 0.92, 1.06 and 1.03, respectively, the length of these stages being about 55, 45 and 25 days, respectively.

Más información

ID de Registro: 13683
Identificador DC: http://oa.upm.es/13683/
Identificador OAI: oai:oa.upm.es:13683
Identificador DOI: 10.1007/s00271-011-0319-8
URL Oficial: http://www.springerlink.com/content/e16460l634j54786/
Depositado por: Memoria Investigacion
Depositado el: 10 Oct 2012 10:05
Ultima Modificación: 21 Abr 2016 13:00
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