Table 2.
Physicochemical properties of native forest soil and soil under oil palm cultivation.
| Native forest | Oil palm-cultivated area | |
|---|---|---|
| pH(in water) | 5.50 | 4.83 |
| P (mg·dm−3) | 1.40 | 70.70 |
| K (mg·dm−3) | 0.03 | 0.11 |
| Ca+2 (cmol·dm−3) | 1.40 | 0.33 |
| Mg+2 (cmol·dm−3) | 0.10 | 0.17 |
| Al+3 (cmol·dm−3) | 0.40 | 0.73 |
| H + Al (cmol·dm−3) | 6.20 | 7.27 |
| Na+ (cmol·dm−3) | 0.01 | 0.02 |
| Organic matter (g/kg) | 31.00 | 11.63 |
| Total C (g/kg) | 18.00 | 6.77 |
| Total N (mg/kg) | N/A# | 1.15 |
| NO3 −1 (mg/kg) | N/A# | 0.79 |
| NO2 −1 (mg/kg) | N/A# | 0.14 |
| NH4 + (mg/kg) | N/A# | 0.21 |
#Data not available.