From: Effects of oil pollution on soil microbial diversity in the Loess hilly areas, China
Oil pollution levels (g/kg)
Sample number
0 (CK)
CK 1
CK 2
CK 3
15 (C15)
C 1-1
C 1-2
C 1-3
30 (C30)
C 2-1
C 2-2
C 2-3
45 (C45)
C 3-1
C 3-2
C 3-3