Table 1 Levels of factors used in the BBD.

From: Bioremediation of oil contaminated soil using agricultural wastes via microbial consortium

Factors

Level

−1

0

1

E: Inoculation amount(mL/kg)

90

100

110

F: Wheat bran (g/kg)

130

150

170

G: Swine wastewater(mL/kg)

200

230

260