| Treatments | Areas | |||
| Stox | Tox | |||
| T1 (NPK) | 820.2 | b | 785.5 | b |
| T2 (NK) | 626.3 | a | 588.3 | a |
| T3 (P/PR) | 652 | a | 608.6 | a |
| T4 (TSP) | 751.7 | b | 656.2 | ab |
| T5 (P/Cal) | 707.9 | a | 698.3 | ab |
| T6 (P/Aci) | 682.5 | a | 640.8 | ab |
| Probability | <0.001 | 0.015 | ||
| Signification | *** | * | ||
| Cv (%) | 34.3 | 46.4 | ||