Proceedings of the International Academy of Ecology and Environmental Sciences, 2019, 9(4): 137-148
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Reclamation of fly ash dykes using naturally growing plant species

Neelima Meravi, Santosh Kumar Prajapati
Department of Botany, School of Life Sciences, Guru Ghasidas Vishwavidyalaya, C.G., 495009, India

Received 30 July 2019;Accepted 10 September 2019;Published 1 December 2019

The present study was conducted over a period of three years on fly ash dyke. The physicochemical analysis of fly ash (pH, WHC, BD, porosity, EC% OC & available P, heavy metal content etc) was performed before and after the growth of plant species. Fly ash was analyzed after concentrated nitric acid digestion by atomic absorption spectrophotometer AAS-7000 (Shimadzu) for heavy metals. The dyke was colonized by the propagules of native species over a period of time and it was observed that fly ash was contaminated by heavy metals and plants were able to ameliorate the metal concentration of dyke. The growth of plant species also improved the condition of fly ash so that it can be used for agricultural purposes. Phytosociological studies of the fly ash dyke were performed so that these plants may be used for reclamation of fly ash for subsequent use in agriculture.

Keywords reclamation;fly ash;IVI;phytosociology;heavy metals.

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