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Initial characteristics of the soils and biochar.
| Parameters | Soil properties | Biochar properties |
|---|---|---|
| Total carbon (TC), kg−1 | 7.22 | 35.08 |
| Total nitrogen (TN), kg−1 | 3.54 | 2.09 |
| Potential of hydrogen (pH) | 8.89 | 10.11 |
| Available potassium (AK), kg−1 | 9.01 | 13.66 |
| Available phosphorous (AP), kg−1 | 13.11 | 7.07 |
| Organic matter (OM), kg−1 | 16.22 | 7.82 |
| Electrical conductivity (EC), dS m−1 | 3.11 | 3.2 |
| Carbon/nitrogen ration (C/N) | 2.03 | 16.78 |
