Crop type

Heavy Metals

Range Value (mg∙kg⁻¹)

Median (mg∙kg⁻¹)

Average (mg∙kg⁻¹)

Standard deviation (mg∙kg⁻¹)

Coefficient of variation (%)

Enrichment factor (%)

Limit value (mg∙kg⁻¹)

Corn

As

0.051 - 0.374

0.093

0.144

0.107

79.1

0.1

0.5

Cd

0.011 - 0.271

0.097

0.125

0.111

94.6

5.7

0.1

Wheat

As

0.315 - 0.584

0.45

0.45

0.135

42.3

0.3

0.5

Cd

0.221 - 0.241

0.231

0.231

0.01

6.1

11.5

0.1

Fava beans

As

0.161 - 0.307

0.257

0.246

0.054

25.4

0.1

0.5

Cd

0.084 - 0.188

0.129

0.132

0.037

32.7

4.9

0.1