Soil property

Cultivated

Elephant grass

Guinea grass

Leucaena

Secondary Forest

C V %

PH (H₂O)

5.33^ab

5.45^a

5.28^ab

5.28^ab

5.05^ab

3.10

A.V.P (mg/kg)

2.39^c

4.31^a

2.87^c

3.11^b

2.16^c

23.88

Carbon%

0.61^c

1.70^a

1.50^a

1.96^a

1.04^b

28.12

Total N %

0.11^b

0.17^a

0.15^a

0.20^a

0.11^b

24.40

K cmol/kg

0.60^a

0.83^a

0.24^b

0.21^b

0.21^b

29.31

Na (cmol/kg)

0.12^b

0.09^b

0.34^a

0.44^a

0.90^a

14.48

Ca (cmol/kg)

1.67^a

1.04^ab

0.87^b

0.68^b

0.76^b

21.53

Mg (cmol/kg)

0.25^a

0.20^a

0.15^ab

0.09^b

0.12^ab

27.08

CEC (cmol/kg)

2.64

2.16

1.60

1.42

1.99