Table 7.
Physical–chemical properties of biochar, soil, and chemical properties of the water at the experimental location (greenhouse).
| Parameters | Unit | Biochar | Soil | Fresh Water | Saline Water | |
|---|---|---|---|---|---|---|
| Surface area | m2 g−1 | 237.80 | --- | --- | --- | |
| pH | -- | 8.82 | 7.27 | 7.21 | 7.52 | |
| EC (dS m−1) | dS m−1 | 3.71 | 2.46 | 0.93 | 2.30 | |
| OM | % | 30.33 | Cations (meql−1) | |||
| N | % | 0.24 | Ca2+ | 10.92 | 3.19 | 2.80 |
| P | % | 0.22 | Mg2+ | 2.25 | 2.54 | 2.20 |
| K | % | 0.88 | K+ | 5.10 | 0.13 | 0.29 |
| C | % | 60.0 | Na+ | 3.80 | 4.70 | 21.04 |
| H | % | 3.44 | Anions (meql−1) | |||
| Ca | % | 5.63 | CO32− | 0.00 | 0.00 | 0.00 |
| C/N ratio | - | 250:1 | Cl− | 4.50 | 7.93 | 21.29 |
| Moisture | % | 3.53 | HCO3− | 18.3 | 2.32 | 2.86 |
| Ash | % | 25.70 | SAR | 2.02 | 2.78 | 13.32 |
| Resident material | % | 47.90 | --- | --- | --- | |
| Physical properties of soil | Sand (%) | Silt (%) | Clay (%) | Soil texture | ||
| 80 | 13 | 7 | Loamy sand | |||