Evaluation of Phytoavailability of Heavy Metals to Chinese Cabbage (Brassica chinensis L.) in Rural Soils

Table 4

Total contents of heavy metals in the studied soils and the soil control standards (SCS) for rural lands in Taiwan.

Soil code	Cd	Cu	Ni	Pb	Zn
	mg kg^−1
A	18.9	18.4	21.0	965	47.8
B	0.55	10.1	35.3	41.5	16.8
C	1.05	57.6	12.3	41.5	66.2
D	0.71	23.9	24.4	29.6	69.6
E	0.87	17.5	26.0	3.74	34.9
F	0.91	16.4	53.1	25.8	39.4
G	0.74	30.5	44.1	25.8	67.8
H	1.57	475	407	36.6	607
I	0.74	12.1	19.7	17.1	72.4
J	0.90	14.0	31.4	15.1	44.9
K	0.46	46.8	2210	13.5	85.0
L	1.25	38.3	30.2	21.6	153
M	1.05	23.9	33.3	20.5	104
N	0.45	22.5	17.6	17.4	97.8
O	1.10	48.7	37.8	35.0	187
P	0.33	15.4	24.7	10.0	67.7
Q	1.34	18.7	18.5	15.1	39.1
R	1.02	9.60	20.8	14.4	52.8
S	1.53	20.0	26.3	36.8	142
T	3.60	1820	1170	2690	2740
U	6.25	2270	878	2100	998
V	1.02	18.8	37.4	22.1	84.3
SCS	5.00	200	200	500	600