Tomato irrigation scheduling improved by using percent canopy cover and crop developmental stage

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dc.contributor.authorCetin, Oner
dc.contributor.authorUygan, Demet
dc.contributor.authorBoyaci, Hasan
dc.date.accessioned2024-04-24T16:24:13Z
dc.date.available2024-04-24T16:24:13Z
dc.date.issued2008
dc.departmentDicle Üniversitesien_US
dc.description.abstractThe aim of this study was to evaluate whether it is possible to conserve water and improve yield using canopy cover in order to adjust the amount of water needed for drip-irrigated tomatoes. The experiments were carried out using field-grown tomatoes (Lycopercion esculentum cv. Dual Large, F1) in Central Anatolia, Turkey from 2003 to 2005. The experimental design used split-plots in randomised blocks with 3 replications. The main plots in this study were: I-1, constant Class A pan evaporation (Ep) (i.e. K = 1.0) throughout the irrigation season; I-2, varying Ep proportion according to crop development stage (i.e. planting time to. owering stage 0.50; flowering stage to first harvesting 1.0; and first harvest to last harvest 0.75. In subplots, wetted area percentages or canopy cover were used. In K-1, the wetted area percentage measured 90% of the experimental site. In K-2, the wetted area percentage varied depending on the canopy cover. In K-3, the percentage of wetted area was set to a value of 65% throughout the irrigation season. The maximum yield of 134.8 t/ha was obtained with the I2K2 treatment, with a seasonal irrigation requirement of 515 mm. A tomato yield of 122.8 t/ha was obtained under conditions of 552 mm seasonal irrigation water applied using the I1K2 treatment. Although 37mm less water was used in the I2K2 treatment, the yield obtained from that treatment was higher by 12.0 t/ha than the I1K2 treatment. In addition, the yield with all other treatments was lower than the I2K2 treatment. Similarly, the maximum irrigation water-use efficiency (IWUE) of 26.2 kg/m(3) was obtained with the I2K2 treatment. Thus, use of different coefficients of Ep varying with crop growth stages and percentage of canopy cover to estimate irrigation water requirement (i.e. irrigation scheduling) maximised the yield of tomatoes and improved the IWUE.en_US
dc.description.sponsorshipSoil and Water Resources Research Institute of Eskisehir, Turkey [KHGM-03220E01]en_US
dc.description.sponsorshipThis study contains a part of the research project (KHGM-03220E01) carried out by the authors from 2003 to 2005 in Soil and Water Resources Research Institute of Eskisehir, Turkey.en_US
dc.identifier.doi10.1071/AR08110
dc.identifier.endpage1120en_US
dc.identifier.issn0004-9409
dc.identifier.issn1836-5795
dc.identifier.issue12en_US
dc.identifier.scopus2-s2.0-55849085029
dc.identifier.scopusqualityQ2
dc.identifier.startpage1113en_US
dc.identifier.urihttps://doi.org/10.1071/AR08110
dc.identifier.urihttps://hdl.handle.net/11468/16588
dc.identifier.volume59en_US
dc.identifier.wosWOS:000260765100005
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoenen_US
dc.publisherCsiro Publishingen_US
dc.relation.ispartofAustralian Journal of Agricultural Research
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectTomatoen_US
dc.subjectDrip Irrigationen_US
dc.subjectIrrigation Schedulingen_US
dc.subjectWetted Areaen_US
dc.subjectCanopy Coveren_US
dc.subjectWater Use Efficiencyen_US
dc.titleTomato irrigation scheduling improved by using percent canopy cover and crop developmental stageen_US
dc.titleTomato irrigation scheduling improved by using percent canopy cover and crop developmental stage
dc.typeArticleen_US

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