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

Table a1.

Analysis of Variance of TPAH Concentration at 90 Days duringPhytoremediation using Group Balanced Block Design

Sources of Variation Degree of Freedom (df) Sum of Square (SS) Mean Square (MS) Computed F Value Tabular F

1% 5%

Replication 2 0.771811 0.385906  
Group 5 196.0023 39.20046 674.78** 5.64 3.33
Error (a) 10 0.580939 0.058094  
T1 3 1772.529 590.8431 4391.75** 4.38 2.86
T2 3 1827.771 609.2571 4528.62** 4.38 2.86
T3 3 1681.963 560.6545 4167.359** 4.38 2.86
T4 3 1728.332 576.1108 4282.246** 4.38 2.86
T5 3 1593.773 531.2575 3948.851** 4.38 2.86
T6 3 1498.256 499.4187 3712.192** 4.38 2.86
Error(b) 36 4.84325 0.134535  
Total 71      

**Highly Significant