Table 3.
Coefficient of determination (R2) between residual TPH concentration and soil physical chemical properties.
| Parameters | Control Soil | Remediated Soil |
|---|---|---|
| BD (g cm−3) | 0.8100 | 0.3721 |
| SD (g cm−3) | 0.7500 | 0.5329 |
| H (%) | 0.3400 | 0.3969 |
| FC (%) | 0.0049 | 0.2209 |
| Po (%) | 0.6400 | 0.1936 |
| OM (%) | 0.0900 | 0.0081 |
| pH | 0.0841 | 0.4489 |
| WDPT (s) | 0.1024 | 0.6889 |
| Sand (%) | 0.1521 | 0.0036 |
| Silt (%) | 0.1764 | 0.0001 |
| Clay (%) | 0.0001 | 0.0324 |
Bulk Density (BD), Particle Density (SD), Moisture Content (H), Field Capacity (FC), Porosity (Po), Organic Matter (OM), Water Drop Penetration Time (WDPT). These values are from surface samples (0–30 cm depth) with five replicates for each area (control and remediated).