Table 1. Chemical properties of soil after the experiment by the different levels of applied Bacillus subtilis S37-2
| Stage | Treatment | pH (1:5) | EC (dS/m) | OM (g/kg) | P2O5 (mg/kg) | K | Ca | Mg | Na |
| ---------(cmol(+)/kg)-------- |
| Before planting | 7.0 | 4.01 | 7 | 129 | 0.13 | 9.49 | 6.03 | 0.20 |
| Harvesting | Control | 7.0 | 3.82 | 10 | 165 | 0.14 | 15.01 | 8.32 | 0.19 |
| Soil drench | 1.0×107 | 7.2 | 3.32 | 12 | 178 | 0.18 | 15.24 | 8.61 | 0.20 |
| 1.0×106 | 7.3 | 3.94 | 12 | 181 | 0.19 | 15.35 | 9.12 | 0.19 |
| Foliar application | 1.0×107 | 7.0 | 4.54 | 14 | 175 | 0.19 | 15.92 | 9.65 | 0.20 |
| 1.0×106 | 7.0 | 4.67 | 13 | 179 | 0.18 | 15.52 | 9.07 | 0.19 |