| Treatment | InitialpHCaCl2 | FinalpHCaCl2 |
| Kg S ha−1 | mean ± standard deviation | |
| S0 | 4.12 ± 0.20 | 4.06 ± 0.12 |
| S250 | 4.09 ± 0.16 | 3.97 ± 0.03 |
| S500 | 4.03 ± 0.05 | 3.86 ± 0.05 |
| S1000 | 4.08 ± 0.12 | 3.76 ± 0.08 |