| Isolates | Presence of halo zone | Soluble phosphorous (ppm) |
| Control | - | 0.0977 |
| Raoultella ornithinolytica | + | 0.2233 |
| Pseudomonas pseudoalcaligenes | - | - |
| Bacillus cereus | - | 0.9721 |
| Pseudomonas aeruginosa | + | 0.3384 |
| Bacillus subtilis | + | 0.2722 |