Critical content in soils (mg/kg)

Moanda soil

Elements

Deficiency

Toxicity

Mean content (mg/kg)

B

10

50 - 200

-

Cu

3 - 5

20 - 100

106.35

Fe

50

1000

334,282.35

Mn

10 - 20

300 - 500

52,697.65

Mo

0.1

10 - 50

-

Zn

15 - 20

100 - 400

250.71

Ni

1 - 5

10 - 100

2622.35

Co

0.2

15 - 50

117.76