| Moisture Content |
< 20% |
Oven Drying Method |
| Organic Matter |
> 60% |
Loss on Ignition (LOI) |
| pH |
6.0 - 8.0 |
pH Meter |
| Nitrogen (N) |
> 1.5% |
Kjeldahl Method |
| Phosphorus (P2O5) |
> 1.0% |
Spectrophotometry |
| Potassium (K2O) |
> 1.0% |
Flame Photometry |
| C:N Ratio |
< 20:1 |
Calculated |
| Beneficial Microorganisms |
Present (e.g., Nitrogen-fixing bacteria, Phosphate-solubilizing bacteria) |
Microbial Analysis |
| Heavy Metals |
Below permissible limits (as per relevant regulations) |
Atomic Absorption Spectrometry (AAS) |
| Pathogens |
Absent |
Microbiological Testing |
| Appearance |
Dark brown, crumbly material |
Visual Inspection |
| Odor |
Earthy |
Olfactory Assessment |
