Table 7.
Physical and chemical properties of the soil at the experimental site.
| Soil Characteristic | 1st Season | 2nd Season |
|---|---|---|
| Soil particles distribution | ||
| Sand (%) | 45.66 | 45.43 |
| Silt (%) | 29.89 | 30.02 |
| Clay (%) | 24.45 | 24.55 |
| Textural class | Loam | Loam |
| Field capacity, % | 16.7 | 16.7 |
| Calcium carbonate (CaCO3, g/kg) | 62.0 | 60.4 |
| Organic matter (g/kg) | 7.98 | 7.65 |
| pH | 7.71 | 7.62 |
| Electrical conductivity (EC, dS/m) | 7.17 | 7.11 |
| Soluble cations and anions (mmolc/L) | ||
| Calcium (Ca2+) | 16.7 | 16.6 |
| Magnesium (Mg2+) | 19.7 | 19.0 |
| Sodium (Na+) | 18.0 | 18.1 |
| Potassium (K+) | 6.47 | 6.69 |
| Carbonate (CO32−) | - | - |
| Bicarbonate (HCO3−) | 20.7 | 20.9 |
| Chloride (Cl–) | 32.7 | 31.7 |
| Sulfate (SO42−) | 8.4 | 8.19 |
| Available nutrient (mg/kg soil) | ||
| Nitrogen (N) | 58.4 | 58.0 |
| Phosphorus (P) | 8.90 | 8.80 |
| Potassium (K) | 99.0 | 97.7 |