CEC

Cu

Fe

Zn

Cmol(+)/kg

mg/kg

Treatment

Pissa

Damara

Pissa

Damara

Pissa

Damara

Pissa

Damara

T1

4.24^b

5.41^a

0.57^b

1.36^b

19.20^b

10.84^b

0.36^b

1.54^b

T2

4.66^ab

5.15^a

0.69^ab

1.01^c

35.5^a

11.20^b

0.66^a

0.88^b

T3

4.45^ab

5.23^a

0.75^a

1.62^a

40.5^a

17.28^a

0.50^ab

1.20^b

T4

5.67^a

4.44^a

0.57^b

1.42^b

35.51^a

15.35^a

0.43^b

3.55^a

0.03

0.09

0.005

0.0001

0.0001

0.0001

0.003

0.0004