Table 2.

Correlations between PAHs content and humus characteristics

	DHA	pH H2O	pH KCl	C	N	C/N	Cd	Cu	Ni	Pb	Zn
PAHs	− 0.56*	− 0.58*	− 0.58*	0.75*	0.73*	0.65*	0.71*	0.70*	0.64*	0.71*	0.69*

*p < 0.05