Helal, M. I. D., M. E. Husein, and W. E. D. G. Mostafa, "Characterization of Agricultural Residues-Based Nano Biochar and its efficiency in Adsorption/Desorption of Nutrients", Int. J. Environ, vol. 8, issue 2, pp. 130-141, 2019. Abstract
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El-Habashy, H. M., E. A. Awad, M. M. Sobh, and A. M. Helmy, "NITROGEN EFFICIENCY FOR WHEAT AS AFFECTED BY AMMONIUM SULPHATE AND COMPOST IN COMBINATION WITH SOME BIO AMENDMENTS UNDER SANDY AND CALCAREOUS SOIL CONDITIONS", Zagazig Journal of Agricultural Research, vol. 44, issue 6: Zagazig University; Faculty of Agriculture, pp. 2117-2131, 2017. Abstract
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Badawy, S., M. Helal, and A. Metwaly, "Evaluation of Flax Plant as a Cadmium Phytoremediator for Polluted Soils under Different Chemical and Biological Treatments", Journal of Soil Sciences and Agricultural Engineering, vol. 10, issue 4: Mansoura University, Faculty of Agriculture, pp. 245-251, 2019. Abstract
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Helal, M. I. D., H. A. Khater, and A. Marzoog, "Application of Nanotechnology in Remediation of Heavy Metals Polluted Soils", Journal of Arid Land Studies, vol. 26, issue 3: The Japanese Association for Arid Land Studies, pp. 129-137, 2016. Abstract
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Helal, M. I. D., M. A. A. Sayed, M. S. Khater, and Y. M. R. Madboly, "Removal of Lead and Cadmium from Polluted Water Using Environmentally Safe Materials.", Int. J. Plant & Soil Science, vol. 3, issue 5, pp. 485-496, 2014. Abstract
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Marzoog, M., M. I. D. Helal, and H. A. Khater, "Application of Nanotechnology in Remediation of Heavy Metals Polluted Soil: I- Preparation and Characterization of Nanoparticles.", Int. J. Adv. Res., vol. 2, issue 1, pp. 1087-1102, 2014. Abstract
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