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