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dc.contributorOweis, Theiben_US
dc.contributorIzzi, Gabrielaen_US
dc.creatorFarahani, Hamiden_US
dc.identifier.citationHamid Farahani, Theib Oweis, Gabriela Izzi. (1/7/2008). Crop coefficient for drip-irrigated cotton in a Mediterranean environment. Irrigation Science, 26(5), pp. 375-383.en_US
dc.description.abstractA 3-year study was conducted in the eastern Mediterranean region of northern Syria to develop crop coefficient, Kc, for drip-irrigated short-season cotton (Gossypium hirsutum L.). Two sets of Kc curves were determined, the generalized Kc published by the UN’s Food and Agriculture Organization (FAO) that was adjusted for local climate, and the locally developed Kc as the ratio of measured cotton evapotranspiration to calculated reference evapotranspiration. The adjusted FAO Kc curves were the same for the 3 years. However, the locally developed Kc curves not only differed among the 3 years, but also from the adjusted FAO Kc. During the mid-season stage, the adjusted FAO Kc was 24% higher than the locally developed value of 1.05. Variations in locally developed Kc values were caused by normal year-to-year variations in irrigation timing and amount, suggesting sensitivity of Kc that cautions against the use of locally developed Kc based on limited data (i.e., a single season). On the season, the overestimation of crop evapotranspiration by using adjusted FAO Kc was substantial and equivalent to 150 mm water or about two additional irrigations per season. Results caution against blind application of published FAO Kc curve, suggesting some local or regional calibration for increased accuracy.en_US
dc.publisherSpringer Verlag (Germany)en_US
dc.sourceIrrigation Science;26,(2008) Pagination 375,383en_US
dc.subjectcrop coefficienten_US
dc.subjectcrop evapotranspirationen_US
dc.subjectcrop growth stageen_US
dc.subjectmass balance erroren_US
dc.subjectshort season cottonen_US
dc.titleCrop coefficient for drip-irrigated cotton in a Mediterranean environmenten_US
dc.typeJournal Articleen_US
cg.creator.idOweis, Theib: 0000-0002-2003-4852en_US
cg.contributor.centerFood and Agriculture Organization of the United Nations - FAOen_US
cg.contributor.centerInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.funderInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.contributor.projectCommunication and Documentation Information Services (CODIS)en_US
cg.contributor.project-lead-instituteInternational Center for Agricultural Research in the Dry Areas - ICARDAen_US
cg.coverage.regionWestern Asiaen_US
dc.identifier.statusLimited accessen_US

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