Table 1 Basic physical and chemical properties of the tested soil.

From: Migration and transformation of cadmium in rice - soil under different nitrogen sources in polymetallic sulfide mining areas

 

Risk screening valuea

Risk intervention valuea

Test value

pH

≤5.5

≤5.5

4.21

Cd/mg·kg−1

0.3

1.5

0.54

As/mg·kg−1

30

200

70.28

Cu/mg·kg−1

50

 

298.25

Zn/mg·kg−1

200

 

302.66

Cr/mg·kg−1

250

800

46.28

Pb/mg·kg−1

80

400

201.00

S/mg·kg−1

  

443.66

Bioavailable S/mg·kg−1

  

133.38

  1. aRisk screening values and risk intervention values for soil contamination of agricultural land, soil environmental quality national standard of the People’s Republic of China, and risk control standard for soil contamination of agricultural land (GB 15618-2018).
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