Criteria | Suitability classes | |||||
Very highly suitable | Highly suitable | Moderately suitable | Marginaly Suitable | Temporaly unsuitable | Permenently unsuitable | |
100 95 | 95 85 | 85 60 | 60 40 | 40 25 | 25 1 | |
Topography criteria | ||||||
Slope (%) | 0 - 2 | 2 - 5 | 5 - 8 | 8 - 16 | 16 - 25 | >25 |
Elevation (m) | <1100 | 1100 - 1150 | 1150 - 1200 | 1200 - 1250 | 1250 - 1300 | >1300 |
Coarse fragments (%) | 0- 3 | 3 - 15 | 15 - 35 | 35 - 55 | - | >55 |
Soil criteria | ||||||
Soil depth (cm) | >100 | 100 - 75 | 75 - 50 | 50 - 20 | - | <20 |
Soil texture (classes) | C < 60s, Co, SiC, SiCL, Si, SiL, CL | C < 60v, SC, C > 60s, L, SCL | C > 60v, SL, LfS, LS | Fs, S, LcS | - | Cm, SiCm, CS |
Soil reaction (pH) | 6.6 - 7 | 6.6 - 5.8 | 5.8 - 5.6 | 5.6 - 5.2 | <5.2 | - |
CEC Clay (Cmol(+)/Kg) | >24 | 24 - 16 | 16 - 8 | 8 - 5 | - | <5 |
Drainge (classes) | Good | Moderate | Marginal | Imperfect | Poor | Water bodies |