Table 1.
Soil physico–chemical properties (0–0.2 m) at the initiation of the experiment (2009).
| Parameter | Value |
|---|---|
| Sand (%) | 15.0 |
| Silt (%) | 41.0 |
| Clay (%) | 44.0 |
| pH (1:2 soil: water) | 7.11 |
| EC (dS m−1) | 0.38 |
| Organic carbon (%) | 0.49 |
| Bulk density (g cm−3) | 1.44 |
| Penetration resistance (MPa) | 1.75 |
| Available–N (kg ha−1) | 135.2 |
| Available–P (kg ha−1) | 35.2 |
| Available–K (kg ha−1) | 239.2 |
| DTPA–extractable Zn (mg kg−1) | 0.83 |
| DTPA–extractable Fe (mg kg−1) | 19.9 |
| DTPA–extractable Mn (mg kg−1) | 25.5 |
| DTPA–extractable Cu (mg kg−1) | 2.59 |