| Sites | pH in water | Exchangeable calcium (me/100g soil) | Exchangeable magnesium (me/100g soil) | Exchangeable potassium (me/100g soil) | Extractable phosphorus (mg P/kg) | Total soil organic carbon (%) | Total Soil nitrogen (%) |
| Cizi | 4.71 | 0.59 | 0.59 | 0.07 | 4.1 | 1.29 | 0.16 |
| Cirhongo | 4.50 | 0.98 | 0.30 | 0.03 | 5.3 | 1.45 | 0.19 |
| Karambi | 4.37 | 0.69 | 0.20 | 0.02 | 2.8 | 2.82 | 0.19 |
| Mubumbano | 4.63 | 0.79 | 0.49 | 0.02 | 5.0 | 3.09 | 0.30 |
| Mulamba route | 5.01 | 1.28 | 0.30 | 0.02 | 5.0 | 3.00 | 0.43 |