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    Effect of Municipal Sewage Sludge Applications: I. on some Nutrient Contents (N, P, K, Ca, Mg) of Plant Corn and Soil
    (Kahramanmaras Sutcu Imam Univ Rektorlugu, 2018) Cakir, Huda Nur; Cimrin, K. Mesut
    The aim of this study was to investigate plant corn yield with some plant nutrient contents of root and shoot and, soil after the increased applications rates of sewage sludge (0%, 2.5%, 5%, 7.5% 10%). The increase in contents of N, P, K and Ca of the experimental soil was statistically significant while it was insignificant for Mg by the effect of increased sewage sludge application. The applications resulted in significant increases for the total fresh and dry weight of plant corn compared to the control. It was found that sewage sludge applications affected significantly for the plant nutrient contents of N, P, K, Ca, and Mg. On the other hand, the increased application of sewage sludge resulted in statistically significant changes of plant shoot contents of N, P, K, Ca, and Mg. The shoots contents of N, P, Ca and Mg significantly increased unlinearly compared to the control application while the increases were linear for the shoot N and P contents. As a result of this study carried out with fresh sewage sludge taken from biological processing foundation for the housing originated sewage sludge in the iskenderun county of Hatay province, fresh and dry yield decreased by the increased sewage sludge applications of 7.5% (AC7.5) and 5% (AC5) respectively, even though there were somehow positive effects in terms of plant nutrients in general. This suggests that the applications in sequence during the growing seasons under uncontrolled conditions may cause to the problems in plants and soil in time.
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    Effect of Municipal Sewage Sludge Applications: II. on some Mikro Nutrient and Heavy Metal Contents Plant Corn and
    (Kahramanmaras Sutcu Imam Univ Rektorlugu, 2018) Cakir, Huda Nur; Cimrin, K. Mesut
    The aim of this study was to investigate the existing changes for the contents of some nutrients and heavy metals of soil and root and shoot of corn plant after applications of increased sewage sludge (0 %, 2.5 %, 5 %, 7.5 %, 10 %). Significant increases were found in the contents of Zn, Cu, Mn, Pb, Ni, Cd, and Co of the experimental soil as sewage sludge application were increased. Besides, there were significant changes of the root Zn, Cu, Mn, Co contents by the increased doses of sewage sludge application. it was determined that the root Cu content decreased linearly compared to the control but, the reverse was the case for the Zn and Mn contents. Application of the sewage sludge at the increasing rates affected the plant shoot Fe, Zn, Mn and Pb contents significantly. While there were significant increases for the plant shoot contents of Fe, Zn, Mn and Pb by the applications compared to the control. The increases for the shoot contents in question were linear for the nutrients Zn and Mn. The applications of the different rates of the sewage sludge taken from biological processing foundation for the housing from iskenderun county of Hatay province indicated that there were somehow positive effects on plant soil properties without any heavy metal toxicity effect. It was shown that the sewage sludge applications depending upon the rates leading the resulted heavy metal increases in soil which can cause the heavy metal accumulation and toxicity in the soil in time in the case of applications in sequence during the growing seasons under uncontrolled conditions.
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    The Effect of Sewage Sludge Applications on the Growth of Maize (Zea mays L.) and Some Soil Properties
    (Kahramanmaras Sutcu Imam Univ Rektorlugu, 2020) Cakir, Huda Nur; Cimrin, Kerim Mesut
    The aim of this study is to investigate the existing changes for corn yield with the changes on the soil properties after the applications of increased sewage sludge (SS 0 %, 2.5 %, 5 %, 7.5 %, 10 %). While statistically significant decreases were determined in the pH and lime contents of the experimental soil, there were also statistically significant increases for the contents of organic matter and salt of the soil by the effects of applied sewage sludge at the increased doses. The applications statistically increased corn fresh and dry root weights, fresh and dry shoot weights, plant height and diameter compared to the control in the all treatments. It can be concluded that that sewage sludge is not appropriate to use in the agricultural soils in the present form because of very high salt amounts presence in the sewage sludge although there were some positive effects on the plant and soil properties to some great extent with no determined heavy metal toxicity by the application of that sewage sludge into soil at different rates taken freshly from the biological sewage sludge foundation of district Iskenderun of province Hatay.