| Treatment | Mean number of spores per sample (100 g) |
| Control | 297.00 a |
| NPK | 136.66 a |
| Manure | 317.33 a |
| Micosat | 308.66 a |
| Humus UP | 300.00 a |
| Humus Active | 860.33 b |
| BF Quality | 451.66 a |
| BF Amin | 372.00 a |
| Tytanit | 196.33 a |
| Vinassa | 216.33 a |