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• MakaleYalnız künye2024/r/gumushane/11782
  Effects of combining phosphorus (P) and zinc (Zn) fertilization on P-Zn distribution and yield in safflower

  Korkmaz, Kursat; Kılıç, Rahman; Akgün, Mehmet; Kara, Şevket Metin

  The interaction of P and Zn is a crucial factor affecting plant growth and yield. The aim of this study was to investigate the combined effects of P and Zn on P-Zn distribution in safflower tissues and seed yield. A two-year study was conducted in farmer fields in northeastern Turkey during 2014 and 2015 years. P applications consisted of four levels (0, 3, 6 and 9 kg P2O5 da−1) that were allotted to the main plots. Sub-plots were composed of three Zn levels (0, 0.5 and 1 kg Zn da−1). The results showed that P and Zn applications had a significant effect on the P and Zn concentration of straw, head, seed, and yield. P concentration in straw, head, and seed increased significantly with increasing P and Zn levels. Zn concentration decreased with high P levels compared to the control, while it increased with increasing Zn levels regardless of P application. At low P levels, yield did not respond to Zn treatments; however, at high P doses, Zn application resulted in a dramatic increase in yield compared to the control. In order to increase seed yield, instead of P and Zn sole application, their combined application was very effective, and doses of 9 kg P2O5 da−1 and 0.5 kg Zn da−1 showed the optimum performance. In conclusion, this study revealed that in P- and Zn-deficient soil, P treatments increased seed yield remarkably, but the combined application of P and Zn resulted in even higher yield increases.

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• MakaleAçık Erişim2021/r/gumushane/17503
  The Investigation of the Alternative Fuel Biogas Potential for Model Town

  Saribiyik, Oguz Yunus; Kılıç, Rahman

  The investigations have been intensively continuing for responding of energy and food demand depending on the world populationincrease and the development of the industrial progression. The energy necessities eliminate by using fossil fuels based sources suchas natural gas, coal and petrol. However, the amount of the fossil fuels is limited and they create the green houses gas problems,therefore, many of the researches have been focusing on new sustainable alternative energy sources, such as wind power, biodiesel,biogas, solar and biomass. The methane which is released by the methanogen bacteria is occupy a places in green gases which arecarbon dioxide and methane. Biogas as an alternative biofuel has higher impact in alternative fuels because of its applicability,sustainability, low production cost, keep the greenhouse gases in balance and produces bio-fertilizer after digestion processes. In thosepurposes, the biogas investment and investigation increases for all over the world however the potential of biomass conversion andthe examination for bio gas production have paid less concern in our country.In this study, the potential biomass and the amount of the biogas depending on the biomass potential have been investigated on one ofthe model town, Şiran in Gümüşhane. According to obtained results, it is seen that the biomass potential and the amount of the biogasproduction are highly enough for model town for natural gas demand and using bio fertilizer which is produced after digestion ofbiomass can be decreased by the utilization of the synthetic inorganic fertilizer, causing for soil pollution.

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