Assessment of Heavy Metal and Pesticide Contamination in Banana Fields and Development of Phytoremediation System in Kozhikode District, Kerala, India
2021
T. Arathi, K. P. Rahna, Delse P. Sebastian and Satheesh George
Analysis of soil samples collected from various banana fields in Kozhikode district was carried out to identify the extent of heavy metal and pesticide contamination. Analysis by atomic absorption spectrometry revealed contamination of lead in some of the banana fields (Omasseri, Balussery, Vengeri & Nanmanda) in the district. The Gas Chromatogram analysis revealed that the banana fields in Kozhikode district were free of organo-chloride and organo-phosphate pesticide contamination. Among the several ornamental plants evaluated for assessing lead phytoremediation potential, Dianthus chinensis L. showed the highest phytoaccumulation potential. Chrysanthemum indicum L., Ruellia simplex C. Wright and Lantana camara L.also showed high lead accumulation. Therefore, these ornamental plants could be used in phytoremediation to remove lead from contaminated soils.
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