| 2002 | 2007 | ||||
| Flooded | Upland | ||||
| pH (H2O) | 5.67 | 5.79 | |||
| EC (mS∙m−1) | 7.40 | 4.47 | |||
| SOM (g∙kg−1) | 70.0 | 39.9 | 48.0 | ||
| NH3-N (mg∙kg−1) | 7.65 | 8.65 | 10.95 | ||
| P2O5 (mg∙kg−1) | 69.3 | 75.1 | |||
| CEC (cmol∙kg−1) | 14.2 | 15.2 | 20.5 | ||
| Exchangeable cation (cmol∙kg−1) | |||||
| K | 0.28 | 0.28 | |||
| Ca | 3.40 | 4.26 | |||
| Mg | 0.41 | 0.53 | |||
| Texture (kg∙kg−1) | |||||
| Sand | 0.64 | ||||
| Silt | 0.27 | ||||
| Clay | 0.09 | ||||