Biodegradation of Used Motor Oil in Soil Using Organic Waste Amendments

Table 4

Seed germination toxicity index (%).

Percentage of oil pollution	Germination toxicity index (%)
	A	B	C	D	E
5	40.00	83.33	33.34	13.33	3.27
15	6.53	13.33	5.00	1.65	0.00

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