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    The potential of kyllinga erecta Schumach and Cyperus rotundus Linn. to remediate soil contaminated with heavy metals from used engine oil in Cameroon

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    S19ArtFontemlumPotentialInthomDev.pdf (1.463Mb)
    Date
    2019-01-22
    Author
    Fontem Lum, A.
    Chikoye, D.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Contaminated soils are a serious environmental problem in developing countries. Poor disposal of used engine oil from vehicles is a source of soil contamination in Buea, Cameroon. This study was conducted in the University of Buea Teaching and Research Farm to determine the ability of two sedges (Kyllinga erecta Schumach and Cyperus rotundus Linn.) to remediate crop land contaminated with used engine oil. The experiment consisted of the two sedges and the following used oil levels (v/wt): 0, 5, 10, 20, 40 and 60 ml/kg of soil. Control treatments with 0 and 60 ml of used engine oil/kg of soil without the sedges were also included. The plant (roots and shoots) and soil samples were analyzed for heavy metal contents using the Inductively Coupled Plasma Optical Mass Spectrometry analytical package for ultra-low detection and high precision. The root and shoot dry biomass of both sedges decreased with an increase in soil contamination. Cyperus rotundus accumulated high concentrations of Cr (mean = 64.8 ± 19.5 ppm) and Cd (mean =1.2 ± 0.2 ppm) in its roots. Kyllinga erecta had the potential to extract Sn, Cd, Mn, Sr and Mo on soils contaminated with used oil at 60 ml/kg. Cyperus rotundus had phytostabilisation potential for Cd at concentrations of used oil ≤20 ml/kg and Rb at 20 ml/kg. The sedge also had phytoextraction potential for Cr and Rb on soils contaminated with used oil at concentrations up to 20 ml/kg. Therefore, the use of indigenous plants adapted to tropical environments could be a possible option for the sustainable remediation of soils contaminated with heavy metals from used engine oil.
    https://dx.doi.org./10.1080/15226514.2018.1501339
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5199
    Non-IITA Authors ORCID
    David Chikoyehttps://orcid.org/0000-0002-6047-9821
    Digital Object Identifier (DOI)
    https://dx.doi.org./10.1080/15226514.2018.1501339
    Research Themes
    PLANT PRODUCTION & HEALTH
    IITA Subjects
    Plant Health; Plant Production
    Agrovoc Terms
    Cameroon; Cyperus Rotundus; Phytoremediation; Sedges
    Regions
    Africa; Central Africa
    Countries
    Cameroon
    Journals
    International Journal of Phytoremediation
    Collections
    • Journal and Journal Articles4835
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