Soil
Drainage
| Well | Imperfectly | Poorly | Very poorly |
| 1.0 | 1.3 | 1.6 | 2.0 |
Parent material
| Limestone-marble | Acid igneous | Sandstone, plysh | Marl, clay, conglomerates | Basic igneous | Shale, schist | Alluvium, colluvium | Other |
| 2.0 | 1.8 | 1.6 | 1.3 | 1.4 | 1.2 | 1.0 |
Rock fragments on soil surface (%)
| <15 | 15-40 | 40-80 | >80 |
| 2.0 | 1.0 | 1.6 | 1.8 |
Slope aspect
| N, NW, NE | S, SW, SE | Plain |
| 1.0 | 2.0 | 1.0 |
Slope gradient (%)
| <2 | 2 - 6 | 6-12 | 12-18 | 18-25 | 25-35 | 35-60 | >60 |
| 1.0 | 1.2 | 1.4 | 1.6 | 1.7 | 1.8 | 1.9 | 2.0 |
Soil depth (cm)
| <15 | 15-30 | 30-60 | 60-100 | 100-1500 | >150 |
| 4.0 | 2.0 | 1.8 | 1.5 | 1.2 | 1.0 |
Soil textural class
| Very coarse | Coarse | Medium | Moderate fine | Fine | Very fine |
| 2.0 | 1.8 | 1.6 | 1.2 | 1.3 | 1.4 |
Soil water storage capacity (mm)
| <50 | 50-100 | 100-200 | 200-300 | >300 |
| 4.0 | 2.0 | 1.8 | 1.5 | 1.0 |
Exposure of rock outcrops (%)
| None | 2-10 | 10 -30 | 30-60 | >60 |
| 1.0 | 1.3 | 1.5 | 1.8 | 2.0 |
Organic matter of surface horizon (%)
| High >6.0 | Medium 2.1-6.0 | Low 2.0-1.1 | Very low <1.0 |
| 1.0 | 1.3 | 1.6 | 2.0 |
Degree of soil erosion
| None | Slight | Moderate | Severe | Very severe |
| 1.0 | 1.2 | 1.5 | 1.8 | 2.0 |
Electrical conductivity (dS m-1)
| Free, EC< 2 | Slight, EC = 2-4 | Moderate, EC = 4-8 | High EC, = 8-15 | Very high, EC >15 |
| 1.0 | 1.3 | 1.7 | 2.0 | 4.0 |
