pH water

Ca

Mg

K

Exchangeable (Cmol/kg)

Treatment

Pissa

Damara

Pissa

Damara

Pissa

Damara

Pissa

Damara

T1

4.91^a

4.93^ab

2.6^a

3.40^a

0.53^b

1.28^a

0.02^b

0.048^b

T2

4.50^ab

4.92^ab

1.65^b

2.84^ab

0.42^c

1.20^ab

0.02^b

0.062^ab

T3

4.20^b

4.53^b

1.62^b

2.82^ab

0.31^d

1.19^ab

0.03^b

0.11^a

T4

4.71^ab

5.28^a

1.45^b

2.43^b

0.69^a

1.05^b

0.07^a

0.011^a

0.04

0.04

0.002

0.002

0.0001

0.04

0.01

0.0003