Table 2.

Normalized levels of heavy metals in Pb-Zn-tailings-contaminated karst soil from Sidi Village.

Type	CK	Corn field	Citrus field	Paddy field	Type	CK	Corn field	Citrus field	Paddy field
Total-Pb	0.01	0.37	0.21	0.41	DTPA-Pb	0.01	0.39	0.26	0.35
Total-Zn	0.03	0.32	0.27	0.38	DTPA-Zn	0.01	0.28	0.24	0.48
Total-Cu	0.07	0.33	0.32	0.28	DTPA-Cu	0.003	0.35	0.24	0.41
Total-Cd	0.23	0.25	0.24	0.28	DTPA-Cd	0.24	0.24	0.25	0.26
Sum	0.34	1.27	1.04	1.35	Sum	0.26	1.26	0.99	1.50

Abbreviations are the same as those listed for Table 1.