| Treatments | Soils parameters | |||||||
| OM (%) | C (%) | N (%) | C/N | P (%) | K (%) | pHH2O (1/2.5) | pHKCl (1/2.5) | |
| CO + WA | 1.16 | 0.67 | 0.07 | 10 | 0.09 | 0.15 | 6.15 | 5.10 |
| CO | 1.01 | 0.58 | 0.05 | 12 | 0.08 | 0.11 | 6.33 | 5.60 |
| WA | 1.29 | 0.75 | 0.06 | 12 | 0.09 | 0.18 | 6.88 | 5.67 |
| T0 | 0.85 | 0.50 | 0.04 | 12 | 0.07 | 0.09 | 5.68 | 4.96 |