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Initial soil physical and chemical properties in the experimental site.
| Depth (cm) | Sand (%) | Silt (%) | Clay (%) | Soil pH | EC1:5 (dS·m−1) | Cl (g·kg−1) | Na2O (g·kg−1) | OM (%) | N (%) | P2O5 (mg·kg−1) | K2O (g·kg−1) | MgO (g·kg−1) | CaO (g·kg−1) | Zn (mg·kg−1) | Fe (mg·kg−1) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0–20 | 61.8 | 18.6 | 18.6 | 8.47 | 1.91 | 2.12 | 2.00 | 0.47 | 0.03 | 44.12 | 0.33 | 0.92 | 9.73 | 0.80 | 1.23 |
| 20–40 | 71.3 | 12.9 | 23.8 | 8.47 | 1.80 | 1.43 | 1.51 | 0.40 | 0.03 | 36.29 | 0.31 | 0.85 | 9.46 | 0.80 | 1.23 |
