Table 5.

Heavy metal distribution (mg·kg⁻¹) in crops of Yucheng City, China.

Plant	Cr	Ni	Cu	Zn	As	Hg	Cd	Pb
Wheat(N = 92)
Median	0.12	0.16	4.06	24.16	0.51	0.01	0.02	0.06
min	0.08	0.03	1.52	5.90	0.08	0.00	0.01	0.03
max	0.85	3.46	9.58	49.16	1.26	0.09	0.20	0.53
BCF(median)	0.002	0.01	0.16	0.35	0.04	0.33	0.10	0.002
Corn(N = 37)
Median	0.21	0.27	1.68	15.55	0.22	0.002	0.003	0.06
min	0.03	0.11	0.81	6.94	0.03	0.00	0.001	0.03
max	0.37	0.73	8.68	19.79	0.98	0.03	0.03	0.22
BCF(median)	0.003	0.01	0.07	0.24	0.02	0.05	0.02	0.003
MPC	1	0.6	10	50	0.7	0.02	0.1	0.2