Parameter

Pissa

Damara

level requirement

pH (water)

5.5

5.8

5.5 - 7

CEC (cmol(+)/Kg)

3.27

3.24

10 < CEC < 20

Organic matter (%)

2.83

2.73

3.6 - 6.5

Organic carbon (%)

0.8

0.99

1.26 - 2.5

Total N (%)

0.06

0.03

1.2 - 2.2

C/N

13.33

33

13.8 - 29

Available P (ppm)

1.54

0

0.20 - 0.23

Exchangeable bases (cmol(+)/Kg)

Ca

1.64

6.48

8.00

Mg

0.56

1.85

1.5 - 3

K

0.15

0.13

0.15 - 0.25

Na

0.05

0.06

0.3 - 0.7

Total exchangeable base

1.4

8.52

<5

Micronutrients (mg/kg)

Cu

1.45

1.45

<5

Fe

34

15

<10

Zn

0.5

0.45

<5

Particle size (%)

Sand

76

62

Silt

4

16

Clay

20

22

Textural class

Sandy clay

Sandy clay