Table 3. Physicochemical Properties of Soil Used for Study.
| soil parameters | red soil |
|---|---|
| pH | 6.5 |
| electrical conductivity (dS/m) | 0.27 |
| bulk density (g/cm3) | 1.41 |
| organic carbon (%) | 0.75 |
| clay (%) | 10.5 |
| sand (%) | 83.25 |
| silt (%) | 6.25 |
| available nitrogen (kg/ha) | 312 |
| available phosphorus (kg/ha) | 27 |
| available potassium (kg/ha) | 292 |
| available sulfur (mg/kg) | 8.2 |
| available Fe (mg/kg) | 5.5 |
| available Zn (mg/kg) | 1.0 |