alexa Interaction of Selected Minerals with Organic Pollutant
ISSN: 2161-0525

Journal of Environmental & Analytical Toxicology
Open Access

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Research Article

Interaction of Selected Minerals with Organic Pollutants: Effects of Phyto-Assisted Bioremediation Using Vigna Subterranea

Nwaichi EO* and Onyeike EN
Department of Biochemistry, Faculty of Science, University of Port Harcourt, P. M. B. 5323, Rivers State, Nigeria
Corresponding Author : Nwaichi EO
Department of Biochemistry, Faculty of Science
University of Port Harcourt. P. M. B. 5323, Rivers State, Nigeria
Tel: 234 (0)8056031989
E-mail: [email protected]
Received October 20, 2011; Accepted November 20, 2011; Published November 23, 2011
Citation: Nwaichi EO, Onyeike EN (2011) Interaction of Selected Minerals with Organic Pollutants: Effects of Phyto-Assisted Bioremediation Using Vigna Subterranea. J Environment Analytic Toxicol 1:107. doi:10.4172/2161-0525.1000107
Copyright: © 2011 Nwaichi EO, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


Soils contaminated with hydrocarbons are a serious problem in Nigeria and 70% of such soils are distributed in the Niger Delta. This pot experiment was conducted to determine the interactions of selected soil minerals with organic contaminants from oil spill site. V. subterranean, which potential for stimulating the biodegradation processes of petroleum hydrocarbons was established was employed under the application of two fertilizer types. Iron concentrations were greater than maximum permissible levels, MPL for plants grown in contaminated soil and showed significant variation (p > 0.05) compared to control. Poor zinc concentrations in oil –stressed regimes decreases ear size, slowed growth and maturity of specie. Both iron and manganese became less available at pH > 7 in the absence of organic matter and water (dehydrated due to oil – stress). Concentration of available P was sensitive to soil pH and was more available to Poultry manure – amended soil as pH correction was evident. Plant tissue analyses revealed significantly (p ≤ 0.05) higher increases in accumulation, in comparison with those grown in unpolluted (Control) regimes. Also, soils depleted mineral nutrients were replenished (> 30%) by test plant and best practice. These results indicated that soil minerals affect the dynamics and transformations of organic materials and metabolic processes even in a stressed soil type with modifications due to clean-up.


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