[Retracted] Chemical Characteristics of Coil Heavy Metal Elements and Ecological Security Risks Caused by Fertilization

Table 4

Soil element risk assessment table.

Element	Quantity of the samples
	Ni	735	319	8		3	4.407
V	779	281	5	0	1.784
Cr	746	302	10	7	1.825
As	720	336	7	2	9.035
Cd	391	643	25	6	36.329
Pb	577	480	5	2	5.123
Zn	389	647	22	7	1.178
Hg	922	116	18	9	31.002