Bioremediation of Total Polycyclic Aromatic Hydrocarbon in Crude Oil-Contaminated Soil using Costus afer Plant

Research Journal of Ecology and Environmental Sciences | Vol 3, Issue 1

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Residual TPAH Concentrations in Polluted Sandy-Loam Soil: (a) 0 day, (b) 30 days (c) 60 days, and (d) 90 days of Treatment with Costus Afer Plant at Different Plant Ages. 【T<sub>1</sub> = 1 week old, T<sub>2</sub> = 2 weeks old, T<sub>3 </sub>= 3 weeks old, T<sub>4 </sub>= 4 weeks old, T<sub>5</sub> = 5 weeks old, and T<sub>6</sub> = 6 weeks old; C<sub>1</sub>, C<sub>2</sub>, and C<sub>3</sub> = low, medium, and high contaminated soil with plants, respectively and C<sub>4</sub> = medium contaminated soil without plants (control); Error bars on charts represent standard errors】.

Figure 2. Residual TPAH Concentrations in Polluted Sandy-Loam Soil: (a) 0 day, (b) 30 days (c) 60 days, and (d) 90 days of Treatment with Costus Afer Plant at Different Plant Ages. 【T1 = 1 week old, T2 = 2 weeks old, T3 = 3 weeks old, T4 = 4 weeks old, T5 = 5 weeks old, and T6 = 6 weeks old; C1, C2, and C3 = low, medium, and high contaminated soil with plants, respectively and C4 = medium contaminated soil without plants (control); Error bars on charts represent standard errors】.

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Bioremediation of Total Polycyclic Aromatic Hydrocarbon in Crude Oil-Contaminated Soil using<i> </i><i>Costus</i><i> </i><i>afer</i> Plant

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