Biodegradation of Used Motor Oil in Soil Using Organic Waste Amendments

Table 3

Toxicity test based on seed germination (%).

Percentage of oil pollution	Treatments
	A	B	C	D	E	F
5	80 ± 6.0	100	80 ± 6.0	40 ± 6.0	20 ± 0	100
15	40 ± 5.8	40 ± 6.0	20 ± 0	10 ± 0	0	100

A = Soil + Oil + BS, B = Soil + Oil + BSG, C = Soil + Oil + SMC, D = Soil + Oil, E = Autoclaved soil + Oil + NaN₃, F = Uncontaminated soil.