Table 1 Mean soil physical and chemical properties

Soil physical properties (%)

  Coarse sand

59

  Medium sand

17

  Fine sand

8

  Silt

8

  Clay

8

Soil chemical properties

  Total C (%)

6.2

  Total N (%)

0.26

  C:N ratio

23.9

  pH

6.4

  CEC (cmol/kg)

22

  Exchangeable Na (cmol/kg)

0.53

  Exchangeable K (cmol/kg)

1.68

  Exchangeable Mg (cmol/kg)

2.77

  Exchangeable Ca (cmol/kg)

12.6

  Base saturation (%)

82

  Olsen P (mg/kg)

69