| Microorganisms | Amula | Ogoja | Hembamkwase | Gbongo | ||||
| Width (cm) | Depth (cm) | Width (cm) | Depth (cm) | Width (cm) | Depth (cm) | Width (cm) | Depth (cm) | |
| Aspergillus niger | 2.0 | 3.0 | 2.0 | 3.0 | 1.5 | 3.0 | 2.0 | 3.5 |
| Rhizopus stolonifera | 1.0 | 2.8 | 1.0 | 2.5 | 1.0 | 3.0 | 2.5 | 4.0 |
| Botryodiplodia theobromae | 1.0 | 2.0 | 1.5 | 3.0 | 1.0 | 2.5 | 1.0 | 2.0 |
| Fusarium oxysporum | 1.5 | 3.0 | 1.0 | 2.5 | 1.0 | 2.0 | 2.0 | 2.0 |
| Penicillium marnessei | − | − | − | − | − | − | − | − |
| Serratia marcescens | 1.0 | 2.0 | 1.3 | 3.0 | 1.2 | 3.0 | 1.0 | 3.0 |
| Erwinia carotovora | 1.0 | 5.0 | 1.0 | 2.8 | 1.7 | 3.5 | 1.0 | 2.0 |
| Klebsiella oxytoca | 1.3 | 3.5 | 1.7 | 2.7 | 1.5 | 2.3 | 1.0 | 2..0 |
| Pseudomonas aeruginosa | 1.0 | 2.5 | 1.2 | 3.0 | 1.5 | 3.5 | 2.0 | 3.5 |
| All Fungi | 1.7 | 2.3 | 2.5 | 3.0 | 2.5 | 3.8 | 2.0 | 3.5 |
| All Bacteria | 1.5 | 3.5 | 2.5 | 3.5 | 2.0 | 3.5 | 2.0 | 3.8 |
| All Fungi & Bacteria | 2.5 | 4.0 | 2.3 | 3.2 | 3.5 | 3.5 | 3.0 | 3.5 |