Econometric analysis of effects of nitrogenous fertilizer usage on tomato yield in Tokat, Turkey

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dc.contributor.authorGözener, Bilge
dc.contributor.authorParlakay, Oğuz
dc.date.accessioned2019-07-16T16:01:43Z
dc.date.available2019-07-16T16:01:43Z
dc.date.issued2017
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractThis study aims to investigate the effects of nitrogen fertilizer application on tomato yield by using econometric models. The data obtained by questionnaire from 53 farmers who produce tomatoes in Tokat province constitute the main material of the study. The Simple Random Sampling Method was used to determine the sample size with a 90% confidence interval and 10% margin of error. Nine models were tried to determine the best model to explain the effect of nitrogenous fertilizer usage in tomato cultivation. The data in the models were used to calculate the growers’ optimal fertilizer amount of use (physical optimum and economical optimum values were calculated) and the results were compared to the ones suggested by the experts. As a result, through the statistical studies, quadratic model was found to be the most suitable one. It has been determined that tomato farmers use less (10.54 kg da-1 ) or excess (23.48 kg da-1 ) N fertilizer than the level at which economic optimum is achieved.en_US
dc.description.abstractThis study aims to investigate the effects of nitrogen fertilizer application on tomato yield by using econometric models. The data obtained by questionnaire from 53 farmers who produce tomatoes in Tokat province constitute the main material of the study. The Simple Random Sampling Method was used to determine the sample size with a 90% confidence interval and 10% margin of error. Nine models were tried to determine the best model to explain the effect of nitrogenous fertilizer usage in tomato cultivation. The data in the models were used to calculate the growers’ optimal fertilizer amount of use (physical optimum and economical optimum values were calculated) and the results were compared to the ones suggested by the experts. As a result, through the statistical studies, quadratic model was found to be the most suitable one. It has been determined that tomato farmers use less (10.54 kg da-1 ) or excess (23.48 kg da-1 ) N fertilizer than the level at which economic optimum is achieved.en_US
dc.identifier.endpage444en_US
dc.identifier.issn2148-127X
dc.identifier.issue4en_US
dc.identifier.startpage441en_US
dc.identifier.urihttps://trdizin.gov.tr/publication/paper/detail/TWpjMk1qazJOZz09
dc.identifier.urihttps://hdl.handle.net/20.500.12483/2796
dc.identifier.volume5en_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.relation.ispartofTürk Tarım - Gıda Bilim ve Teknoloji dergisien_US
dc.relation.publicationcategoryMakale - Ulusal Hakemli Dergi - Kurum Öğretim Elemanıen_US]
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectGıda Bilimi ve Teknolojisien_US
dc.subjectZiraaten_US
dc.subjectOrtak Disiplinleren_US
dc.titleEconometric analysis of effects of nitrogenous fertilizer usage on tomato yield in Tokat, Turkeyen_US
dc.typeArticleen_US

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