Use of synthesized nano silica fertilizer composite as soil treatment, for improved crop productivity Evidence Akhayere a,c, and Doga Kavazb, c * a Department of Arts and Science, Cyprus International University, Nicosia, Mersin 10, Turkey, b Department of Bioengineering, Cyprus International University, Nicosia, Mersin 10, Turkey, c Environmental Research Centre, Cyprus International University, Nicosia, Mersin 10, Nicosia, Turkey Soil contamination is a continuous reoccurrence and its adverse effect is the prevention of plant growth or reduction of nutrients in both plants and soil. Fertilizers are known to boost soil properties and enhance crop production but sometimes they are ineffective in contaminated soil. As a result of this nano fertilizer (NF) becomes a crucial material for the sustainability of crop production. nano silica fertilizer (NSF)was synthesized from the agricultural waste of barley, in a composite form and was applied to petrol-contaminated soil. The nano fertilizer was shown to remove heavy metals and hydrocarbons in soil, and in turn increase plant productivity. The properties of plant growth were investigated and the result showed that nano silica fertilizer was a very effective material in the treatment of contaminated soil and as well improved plant production properties. The synthesized nano silica fertilizer was characterized using scanning electron microscopy, (SEM) X-ray fluorescence (XRF), and Fourier transform infrared (FTIR). And Brunauer–Emmett–Teller BET, and X-ray Diffractometer (XRD). References 1. Akhayere, E., &; Kavaz, D. (2021). Nano-silica and nano-zeolite synthesized from barley grass straw for effective removal of gasoline from aqueous solution: a comparative study. Chemical Engineering Communications, 208 1419–1435. 2. Hussein, H. S., Shaarawy, H. H., Hussien, N. H., &; Hawash, S. I. (2019). Preparation of nano-fertilizer blend from banana peels. Bulletin of the National Research Centre , 43 (1), 1–9. 3. Hoang, C. Van, Thoai, D. N., Cam, N. T. D., Phuong, T. T. T., Lieu, N. T., Hien, T. T. T., Nhiem, D. N., Pham, T. D., Tung, M. H. T., Tran, N. T. T., Mechler, A., &; Vo, Q. V. (2022). Large-Scale Synthesis of Nanosilica from Silica Sand for Plant Stimulant Applications. ACS Omega , 7 (45), 41687–41695. 4. Shebl, A., Hassan, A. A., Salama, D. M., Abd El-Aziz, M. E., &; Abd Elwahed, M. S. A. (2019). Green synthesis of nano fertilizers and their application as a foliar for cucurbita pepo l. Journal of Nanomaterials , 2019 . 5. Rahman, M. H., Hasan, M. N., Nigar, S., Ma, F., Aly Saad Aly, M., &; Khan, M. Z. H. (2021). Synthesis and Characterization of a Mixed Nanofertilizer Influencing the Nutrient Use Efficiency, Productivity, and Nutritive Value of Tomato Fruits. ACS Omega , 6 (41), 27112–27120.
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