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Chemical analysis of organic matter (OM) used, at different degrees of decomposition.
| Content (%) | Content (ppm) | ||||
|---|---|---|---|---|---|
| OM decomposition degree | OM | Organic carbon | Total nitrogen | Nitrate | Ammonium |
| Initial | 85 | 49.7 | 2.66 | 147 | 142 |
| Medium | 18 | 10.5 | 1.26 | 495 | 28 |
| Advanced | 18 | 10.5 | 0.98 | 335 | 18 |
