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 |