| Fertilization | pH | EC (μS∙cm−1) | ||||
| 18 Aug. | 18 Sep. | 17 Oct. | 18 Aug. | 18 Sep. | 17 Oct. | |
| 1/2S | 5.3 | 5.5 | 5.8 | 186.0 | 128.3 | 68.8 |
| S | 5.5 | 5.7 | 5.8 | 215.1 | 122.1 | 86.7 |
| 2S | 5.4 | 5.6 | 5.8 | 362.3 | 92.9 | 116.7 |
| 4S | 5.2 | 5.4 | 5.7 | 615.3 | 186.8 | 117.0 |