Table 1. Physico-chemical properties of soil samples from Izmir, Adana, and Sanliurfa.
| Soil properties | Izmir | Adana | Sanliurfa |
|---|---|---|---|
| pH | 7.82 | 7.74 | 7.76 |
| Total salt (%) | 0.04 | 0.03 | 0.04 |
| CaCo3 (%) | 29.4 | 48.0 | 34.5 |
| Organic matter (%) | 1.86 | 1.29 | 1.96 |
| Fine sand (%) | 50.24 | 44.24 | 44.24 |
| Silt (%) | 28.00 | 26.00 | 32.00 |
| Clay (%) | 21.76 | 29.76 | 23.76 |
| Texture | Loamy | Loamy clay | Loamy |
| Total N (%) | 0.06 | 0.05 | 0.05 |
| Available P (mg/kg) | 3.29 | 2.62 | 1.87 |
| Available K (mg/kg) | 417 | 116 | 485 |
| Available Ca (mg/kg) | 6,272 | 6,762 | 7,252 |
| Available Mg (mg/kg) | 554 | 170 | 430 |
| Available Na (mg/kg) | 220 | 307 | 20 |
| Available Fe (mg/kg) | 4.93 | 5.01 | 6.52 |
| Available Zn (mg/kg) | 0.73 | 0.45 | 1.05 |
| Available Cu (mg/kg) | 1.13 | 0.19 | 0.65 |
| Available Mn (mg/kg) | 5.30 | 4.61 | 8.07 |