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Articles by Kagan Kokten
Total Records ( 3 ) for Kagan Kokten
  Ufuk Karadavut , Kagan Kokten and Zuhal Kavurmaci
  This study was carried out, in Konya Bahri Dagdas International Agricultural Research Institute’s practice and research land. In the study, silage corn varieties growth analyses were made which depending on time. Relative Growth Rates (RGR) were measured all cultivar and times. While these analysis making 5 plants were taken from each plot and measured on these plants. Richards, Logistic, Weibull and Gompertz growth models were used for evaluating. At the models comparing determination coefficient (R2), mean square error were used. As a result this showed that RGR is different from growth features. Weibull function explained RGR better than other models for all of cultivars.
  Kagan Kokten , Alpaslan Kocak , Mahmut Kaplan , Mevlut Akcura , Adil Bakoglu and Eyup Bagci
  The seed oils of seven Trifolium species (Leguminosae) were investigated for their protein, tannin contents and fatty acid compositions. The fatty acid compositions of these seven different species were determined by gas chromatography of the methyl esters of their fatty acids. The seed protein contents were found to be between 23.57 and 36.60%. The seed tannin contents were found to be between 0.77 and 1.73%. The seed oils of Trifolium species contain palmitic and stearic acids as the major component fatty acids, among the saturated acids, with a small amount of myristic, pentadecanoic, arachidic and behenic acids. The major unsaturated fatty acids found in the seed oils were oleic, linoleic and linolenic acids. In this study, Total Saturated Fatty Acids (TSFA) of Trifolium species were between 18.5 and 24.4% while Total Unsaturated Fatty Acids (TUSFA) were between 71.1 and 80.3%. The results revealed that the seed oils of Trifolium species studied with a substantial amount of very long chain fatty acids might have attracted attention because of their value of nutritional, industrial and renewable resources.
  Kagan Kokten , Oktay Gursoy , Tuncay Tukel and Rustu Hatipoglu
  Shrubs provide the bulk of feed for goats in the Mediterranean agropastoral farming systems, yet quantitative data on productivity and nutritive value of highland shrubs species that is needed to develop rangeland management strategies are limited. Edible Fodder (EF) yield and concentrations of CP, ADF, NDF and IVOMD in the EF of shrubs were evaluated at Saksak and Candir in Yayladagi County of Antakya on the Anti-Taurus Mountains in Turkey. Significant variations in EF yield (8-4003 kg DM ha-1), CP (5.9-23.1%), ADF (19.9-38.4%), NDF (30.9-54.2%) and IVOMD (22.7-56.7%) were recorded among the shrubs at Saksak. Similarly, variations in EF yield (202-1523 kg DM ha-1), CP (5.9-13.2%), ADF (22.8-37.7%), NDF (38.3-53.6%) and IVOMD (29.3-51.4%) were significant among the shrubs at Candir. Based on digestible organic matter yield, the shrubs could be ranked as: Daphne sericea>Calycotome infesta>Styrax officinalis>Cistus salviaefolius> Rhamnus alaternus>Laurus nobilis>Juniperus oxycedrus>Quercus coccifera>Pistacia terebentis in Saksak and Daphne sericea>Styrax officinalis>Cistus salviaefolius>Juniperus oxycedrus>Quercus coccifera> Pistacia terebentis in Candir. D. sericea, S. officinalis, C. salviaefolius and C. infesta showed greater potential for development of agroforestry technologies to increase rangeland productivity in the Anti-Taurus Mountains region and similar highland environments in other parts of the world. Further research on cheaper methods of establishment, defoliation options to optimize and sustain edible fodder and wood production, fodder quality in terms of outputs of livestock products may be needed.
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