Sample Treatment
TR1 SCUMO+HS+Water
TR2 SCUMO+Water
TR3 SCUMO+HS+Water+EB
TR4 SCUMO+Water+EB
TR5 SCUMO+Water+NPK (20:10:10) and KH2PO4+EB
TR6 SCUMO+Water+NPK (20:10:10) and KH2PO4
TR: Treatment SCUMO: Soil Contaminated with Used Motor Oil
HS: Heat Sterilization EB: Exogenous Bacteria
Table 1: Summary of experimental designs.