Lead

Cadmium

Nickel

Vegetable

Ohaji 1

Ohaji 2

Umuagwo

Ohaji 1

Ohaji 2

Umuagwo

Ohaji 1

Ohaji 2

Umuagwo

Fluted pumpkin (Telfaria occidetalis)

0.82

1.97

Nil

1.56

2.50

1.39

0.73

0.42

0.74

Scent leaf (Ocimum gratissimum)

1.29

0.25

Nil

2.13

3.40

1.89

0.54

0.31

0.55

Gnetum africana

Nil

Nil

Nil

1.06

1.70

0.94

0.39

0.22

0.39

Black pepper leaf (Piper guinenese)

2.03

0.39

Nil

2.31

3.70

2.05

1.41

0.81

1.43

Green leaf (Amaranthus viridis)

2.35

0.45

Nil

1.69

2.70

1.50

1.44

0.83

1.46

Waterleaf (Taliun triangulare)

1.38

0.27

Nil

0.75

1.20

0.67

0.66

0.38

0.66

Bitterleaf (Vernonia amygdalina)

0.51

0.10

Nil

0.81

1.30

0.72

Nil

Nil

Nil

Gangronema latifolium

1.87

0.36

Nil

1.94

3.10

1.72

1.10

0.63

1.11

Garden egg leaf (Solanum melongena)

1.18

0.23

Nil

2.19

3.50

1.94

0.74

0.43

0.75

Curry leaf (Murraya koenigii)

5.72

1.10

Nil

1.44

2.30

1.28

0.36

0.21

0.36

Okra (Abelmolschus esculentus)

Nil

Nil

Nil

0.69

1.10

0.61

0.09

0.05

0.09

Cucumber (Cucumis sativus)

Nil

Nil

Nil

Nil

Nil

Nil

0.89

0.51

0.90

White camwood (Pterocarpus mildbreadii)

Nil

Nil

Nil

Nil

Nil

Nil

1.11

0.64

1.12

Nil = zero
Table 3: Transfer factor of lead, cadmium, and nickel through different vegetables at Ohaji and Umuagwo soil sites.