Table 5.
Chemical and physical properties of soil.
| Parameters | Measure Unit | Ferrara | Pellegrino |
|---|---|---|---|
| Texture | |||
| Sand | % | 38.0 | 71.0 |
| Silt | % | 29.0 | 17.0 |
| Clay | % | 33.0 | 12.0 |
| Clay-Loam * | Sandy-Loam * | ||
| N total (Kjeldhal method) | % | 0.097 | 0.108 |
| P2O5 (Olsen method) | ppm | 67.6 | 96.6 |
| K2O | ppm | 2393.0 | 2135.0 |
| Magnesium | ppm | 255.0 | 119.0 |
| Calcium | ppm | 2760.0 | 2320.0 |
| Sodium | ppm | 257.0 | 322.0 |
|
Organic matter (Bichromate method) |
% | 1.9 | 1.6 |
| C/N | 11.3 | 8.6 | |
| Active limestone | % CaCO3 | 1.1 | 0.7 |
| pH | 7.7 | 7.3 | |
| Electrical conductivity | dS m−1 | 0.246 | 0.109 |
* USDA.