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    CONJUNCTED FERTILIZATION REGIMES BOOST SEED YIELD AND CHEMICAL COMPOSITION OF SUNFLOWER (Helianthus annuus L.)
    (Parlar Scientific Publications (P S P), 2022) Elicin, Ahmet Konuralp; Ozturk, Ferhat; Koca, Yakup Kenan; Kizilgeci, Ferhat; Asan, Nihan Tazebay; Iqbal, Muhammad Aamir
    In the frame of sustainable farming systems to decrease chemical fertilizers use and protect the environment , organic fertilization regimes hold potential as an alternative strategy to supply essential nutrients to crops. A field trial was conducted to sort out the most superior fertilization regime for boosting sunflower production and quality under semi-arid conditions. Treatments included chemical fertilizer (Cf) (80 kg N ha(-1) and 80 kg P205 ha(-1)), manure from sheep barn manure (MSB) (5161 kg ha(-1)), manure from cattle barn (MCB) (4878 kg ha(-1)), liquid manure from cattle barn (LMCB) (27580 kg ha(-1)) and vermicompost (VCm) (4000 kg ha(-1)), while a control treatment was kept for comparison purpose. The randomized complete block design (RCBD) with regular arrangement was implied to execute the experiment having three replications. The results exhibited that MSB outperformed rest of fertilization regimes for plant height and leaf number. In contrast, the maximum 1000 seed weight and seed yield were recorded by LMCB. The MCB remained unmatched for protein content, while no significant effect of fertilization regimes was recorded for oil content. Regarding chemical composition, control exhibited the maximum palmitic and stearic acids, while MSB gave the highest arachidic acid
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    CUTTING PROPERTIES OF WINE GRAPE CULTIVARS
    (Univ Agricultural Sciences & Veterinary Medicine Bucharest, 2015) Ozdemir, Gultekin; Sessiz, Abdullah; Esgici, Resat; Elicin, Ahmet Konuralp
    This study was carried out to determine the cutting properties of different wine grape canes as a function of moisture content, canes' diameter and variety. Cutting properties of cutting force, cutting strength, cutting energy and specific cutting energy were measured in eight different wine grape varieties. Canes of 'Tannat', 'Merlot', 'Cot', 'Chardonnay', 'Viograier', 'Cabernet Sauvignon', 'Shiraz' and 'Cabernet Franc' were profiled for their cutting properties during the dormant season. The results of data analysis showed that there was a significant difference between mean values of cutting properties varying based on variety. The results demonstrated that the maximum cutting force, cutting strength and cutting energy for 'Cabernet Franc' grape variety were 1397.60 N, 21.68 MPa and 3.68 J, respectively. The minimum cutting force, cutting strength and cutting energy were obtained at 'Tannest' grape variety and it was 981.65 N, 13.94 MPa, and 2.39 J, respectively. Whereas, the maximum specific cutting energy obtained at 'Chardonnay' was 0.256 Jmm-2, while the minimum specific cutting energy obtained at 'Tannat' grape variety was 0.219 Jmm(-2). In conclusion, findings demonstrated that the cutting properties were related to the physiological, physical and mechanical properties of the grew. branches. Therefore, the grape variety should be taken into account for the design of a suitable pruner machine.
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    DETERMINATION OF THE EFFECTS OF LIGHT INTENSITY AND LIGHT CYCLE PARAMETERS IN THE CULTIVATION OF CHLORELLA PROTOTHECOIDES MICROALGAE SPECIES
    (Parlar Scientific Publications (P S P), 2017) Elicin, Ahmet Konuralp
    Intensive studies are being conducted to improve alternative energy resources due to a significant increase in the risks arising from the use of oil based energy in recent years. Biomass, ethanol and biodiesel are the most important alternative energy resources are renewable, recyclable and non-polluting. Biodiesel has caused an increase in food prices and has made it difficult to obtain food in some less developed countries, due to the allocation of agricultural land for the cultivation of oil crops rather than food production, to gain more profit. Therefore, microalgae, which can grow easily in fields not used for agriculture and for which per hectare yield is very high when compared with other biodiesel resources; appear to be a new biodiesel resource. In this study, the Chlorella protothecoides species belonging to the class Chlorophyceae were examined, suitability for biofuel production, large amount of oil, different temperature requirements. The effect of some growing parameters of this species, on different light intensity (172 lux, 186 lux and 265 lux) and different light cycles (12/12, 18/6, 6/18 and 24/0) on cell numbers, pH and conductivity values, has been investigated. According to the results of this study, it was determined that the effect of both light cycles and light intensity are important for cell numbers, pH, conductivity and salinity values.
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    DETERMINATION OF THE EFFECTS OF TEMPERATUE AN COLOR PARAMETERS ON GROWING CHLORELLA PROTOTHECOIDES MICROALGAE SPECIES
    (Parlar Scientific Publications (P S P), 2017) Elicin, Ahmet Konuralp
    Algal production is the most effective and economical option for eutrophication control, waste water treatment and the conversion of solar energy into biomass. In Turkey, annual solar radiation averages approximately 1200-2000 kWh/m(2) and producing green energy through biomass with microalgal photosynthesis, by using solar energy, will help reduce damage to the environment. This study was conducted under laboratory conditions established in Dicle University, Faculty of Agriculture, Agricultural Machinery and Technology Engineering Department. The Chlorella protothecoides species belonging to Chlorophyceae class was investigated by taking some factors, such as suitability for biofuel production, a large amount of oil and different temperature requirements into account. The effects of different growing parameters, such as light sources with different wavelengths (blue, yellow, red and white), at different temperatures (20 degrees C, 25 degrees C and 30 degrees C), on cell numbers, pH and conductivity values, were investigated. In experiments evaluating the different colors of light, the highest pH value was found with white light, as 8.326 and the lowest pH value was found with yellow light, as 6.890, respectively. The highest salinity value was found at white light, as 369.8 mg/L and the lowest salinity value was found at yellow light, as 305.3 mg/L, respectively. The highest conductivity was found with white light, as 692.4 mu S/cm and the lowest conductivity was found with yellow light, as 572.5 mu S/cm, respectively. The largest cell numbers were obtained were 1204000 pcs/mm(3) with white light, whereas the lowest cell numbers obtained were 530300 pcs/mm3 with yellow light. Under these conditions, decreases were observed with increasing temperature. An increase in the number of days resulted in an increase in overall properties examined with the exception of experiments at 30 degrees C.
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    Energy use efficiency and greenhouse gas emissions (GHG) analysis of garlic cultivation in Turkey
    (Chinese Acad Agricultural Engineering, 2023) Baran, Mehmet Firat; Demir, Cihan; Elicin, Ahmet Konuralp; Gokdogan, Osman
    This study has been conducted with the purpose of determining energy use efficiency and greenhouse gas emissions of garlic cultivation during the 2020-2021 cultivation season in Adiyaman province of Turkey. Questionnaires, observations and field works were performed in 134 garlic farms in the region through simple random method. In garlic cultivation, energy input was calculated as 32 103.20 MJ/hm2 and energy output was calculated as 30 096 MJ/hm2. With regards to the three highest inputs in garlic production, 46.66% of the energy inputs consisted of chemical fertilizers energy (14 979.26 MJ/hm2), 11.29% consisted of farmyard manure energy (3625.71 MJ/hm2) and 10.48% consisted of human labour energy (3363.36 MJ/hm2). Energy use efficiency, specific energy, energy productivity and net energy in garlic cultivation were calculated as 0.94, 1.71 MJ/kg, 0.59 kg/MJ, and -2007.20 MJ/hm2, respectively. The total energy input consumed in garlic cultivation was classified as 27.19% direct energy, 72.81% indirect energy, 35.17% renewable energy and 64.87% non-renewable energy. Total GHG emissions and GHG ratio were calculated as 8636.60 kg CO2-eq/hm2 and 0.46 kg CO2-eq/kg, respectively.
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    SOYBEAN (Glycine max. (L.) Merrill) VEGETATIVE GROWTH PERFORMANCE UNDER CHEMICAL AND ORGANIC MANURES NUTRIENT MANAGEMENT SYSTEM
    (Parlar Scientific Publications (P S P), 2021) Elicin, Ahmet Konuralp; Ozturk, Ferhat; Kizilgeci, Ferhat; Koca, Yakup Kenan; Iqbal, Muhammad Aamir; Imran, Muhammad
    Optimization of fertilizers sources and doses occupies pivotal position for triggering crops growth along with reducing a halt to environmental pollution caused by excessive use of mineral fertilizers. This field research was conducted to determine the effect of chemical and organic fertilizers on vital vegetative growth parameters including leaf area index and chlorophyll content of soybean (cv. Nova).Treatments included four different sources of fertilizers manures from sheep and cattle barns, liquid manure from cattle barn, chemical fertilizers and a control treatment was kept for comparison purpose. The chlorophyll contents of plants at different growing stages Beginning bloom (R1) and Beginning seed (R5) were measured using SPAD-502 and CM 1000 chlorophyll meter. The results indicated that physiological growth parameters including leaf area index and chlorophyll content of soybean differed significantly at stage R1 and R5 growth stages under varying fertilization regimes. The chemical fertilizers remained unmatched for recording the maximum physiological growth, while liquid manure from cattle barn performed superiorly by exhibiting the maximum leaf area index and chlorophyll content. It is recommended to use liquid manure from cattle barn for boosting physiological growth of soybean and these research findings also necessitate evaluation of different doses of liquid cattle manure to sort out the best performing dose for soybean production under changing climate.