Varieties

Cultural practices

Pb (mg/Kg)

Cd (mg/Kg)

As (mg/Kg)

Mongal-F1

Conventional

0.163 ± 0.020^a

0.082 ± 0.003^a

0.018 ± 0.001^a

Organic

0.031 ± 0.001^b

0.016 ± 0.005^b

0.004 ± 0.001^b

Reduction rate (%)

19.02

19.69

20.77

F1-Cobra-26

Conventional

0.216 ± 0.029^a

0.121 ± 0.006^a

0.028 ± 0.002^a

Organic

0.034 ± 0.001^b

0.015 ± 0.002^b

0.004 ± 0.001^b

Reduction rate (%)

15.75

12.80

15.38

Roma-F1

Conventional

0.298 ± 0.024^a

0.146 ± 0.001^a

0.032 ± 0.001^a

Organic

0.038 ± 0.003^b

0.025 ± 0.002^b

0.004 ± 0.001^b

Reduction rate (%)

12.90

16.94

13.03

P-value

<0.0001

<0.0001

<0.0001