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dc.contributor.authorTorres Ruiz, José Manuel-
dc.contributor.authorFernández Luque, José Enrique-
dc.contributor.authorGirón Moreno, Ignacio F.-
dc.contributor.authorRomero Vicente, Rafael-
dc.contributor.authorJiménez Bocanegra, J. A.-
dc.contributor.authorGarcía Tejero, Iván-
dc.contributor.authorMartín Palomo, Mª José-
dc.identifier.citationActa Horticulturae 949: 251-258 (2012)es_ES
dc.description8 páginas, 4 figuras, 16 referencias.-- Trabajo presentado al VI International Symposium on Olive Growing, celebrado del 9-13 de septiembre 2008, en Évora, Portugal.es_ES
dc.description.abstractThe aim of this work was to evaluate, for an olive orchard in the Aljarafe county, the method developed by Orgaz et al. (2005) for determining the crop evapotranspiration (ETc). We compared the calculated ETc (ETc Orgaz) values with those determined by the crop coefficient approach (ETc crop coef), as described by Fernández et al. (2006), who used coefficient values previously calibrated for our orchard conditions. In addition, we compared the tree transpiration (Ep) values estimated with the mentioned Excel application (Ep Orgaz) with those simulated by a transpiration model (Ep sim) based on Penman-Monteith, validated for our orchard conditions. Results showed that the Excel application is a user-friendly tool valid for calculating reasonably accurate values of ETc from very few easy-to-measure inputs. The crop coefficient approach does not have this limitation, but years with unusual leaf area density may lead to errors on the calculated ETc. Ep sim is highly affected by variables difficult to measure in commercial orchards, such as the leaf area and the available soil water. In addition, processes related to leaf aging, soil temperature and recovery after drought are not include yet in the model, which affects the reliability of the Ep sim values at the end of the irrigation.es_ES
dc.description.sponsorshipThis work has been funded by the Spanish Ministry of Education and Science, research project No.AGL2006-04666/AGR, and by the EU, research project ref. STREP 023120.es_ES
dc.publisherInternational Society for Horticultural Sciencees_ES
dc.subjectOlea europaeaes_ES
dc.titleDetermining evapotranspiration in an olive orchard in southwest Spaines_ES
dc.description.peerreviewedPeer reviewedes_ES
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