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    Application of Raw Rock Phosphate and Earthworm (Lumbricus terrestris L.) on the Development and Nutrient Content of Corn Plant
    (Selçuk Üniversitesi, 2021) Atmaca, Emel
    Due to the fact that phosphate rock is water insoluble, the interaction of macro and micro organisms in the soil becomes important to increase its solubility. A study in the soil to investigate the effects of raw rock phosphate and earthworm castings application on the development and nutrient element content of corn plant was carried out in four frequency series as a greenhouse trial. To that end, 0-5-10-15-20-25-30-35 and 40 kg da-1 raw rock phosphate (15%) and earthworms (Lumbricus terrestris L.) were added to the soil in P2O5 application dose. Only the same does of raw rock phosphate was added to the other doses. Nutrient element content of the corn plant (N, P, K, Ca, Mg, Fe, Cu, Mn and Zn) in the pots with raw rock phosphate and earthworm castings application generally increased in comparison with the other pots which were not applied earthworm. According to the data obtained in the study, the effect of earthworm and different level of raw rock phosphate on the growth of corn plant was found statistically significant (p<0.05).
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    Effects of Bacterial Inoculation and Molybdenum Application on Nutrient Element Content of Beans
    (Selçuk Üniversitesi, 2019 Mart) Çetin Karaca, Ummahan; Atmaca, Emel
    This study was carried out to determine the effect of different doses of molybdenum with bacterial inoculation on macro and micro- elements content of bean grains. In this study, Akman 98 dry bean variety was used as plant material, Molybdenum dosages were Mo0 = Molybdenum free, Mo1 = 0.05 mg/kg, Mo2 = 0.10 mg/kg and Rhizobium tropici (CIAT899), bacterium of Phaseolus plant, was used as inoculation material. The study was planned according to the randomized complete blocks in factorial design with three replicates. Following the performed field trial, nutrient elements (N, P, K, Ca, Mg, Fe, Cu, Mn, and Zn) of bean grains were determined. According to the results obtained from the study, the effect of molybdenum application and inoculation on nutrient elements of bean grains was different and statistically significant. This effect on nutrients showed that the nutrients in the bean grains generally increased due to the increase in molybdenum doses. Mineral content of bean grains were determined as nitrogen (N) 3.59-4.39, protein content 22.44-27.44, phosphorus (P) 0.36-0.46 potassium (K) 1.83-2.33 magnesium (Mg) 0.17-0.20 calcium (Ca) (%), as mg/kg (Fe) 37.59-65.25 copper (Cu) 5.27-7.69 manganese (Mn) 14.98-16.96 zinc (Zn) 14.77-27.28. The nutrient contents of inoculated bean grains were found to be higher than the non-inoculated ones. Nutrient contents were different depending on the inoculation and dose applications, and this difference was found to be statistically significant.
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    Identification of regional soil quality factors and indicators: a case study on an alluvial plain (central Turkey)
    (COPERNICUS GESELLSCHAFT MBH, 2017) Seker, Cevdet; Ozaytekin, Hasan Huseyin; Negis, Hamza; Gumus, Ilknur; Dedeoglu, Mert; Atmaca, Emel; Karaca, Ummuhan
    Sustainable agriculture largely depends on soil quality. The evaluation of agricultural soil quality is essential for economic success and environmental stability in rapidly developing regions. In this context, a wide variety of methods using vastly different indicators are currently used to evaluate soil quality. This study was conducted in one of the most important irrigated agriculture areas of Konya in central Anatolia, Turkey, to analyze the soil quality indicators of Cumra County in combination with an indicator selection method, with the minimum data set using a total of 38 soil parameters. We therefore determined a minimum data set with principle component analysis to assess soil quality in the study area and soil quality was evaluated on the basis of a scoring function. From the broad range of soil properties analyzed, the following parameters were chosen: field capacity, bulk density, aggregate stability, and permanent wilting point (from physical soil properties); electrical conductivity, Mn, total nitrogen, available phosphorus, pH, and NO3-N (from chemical soil properties); and urease enzyme activity, root health value, organic carbon, respiration, and potentially mineralized nitrogen (from biological properties). According to the results, the chosen properties were found as the most sensitive indicators of soil quality and they can be used as indicators for evaluating and monitoring soil quality at a regional scale.