0-13
13-58
58-91
San Juan Series
| Soil Fertility | Moderate |
|---|---|
| Soil pH | Slightly acid (5.5-6.5) |
| Organic Matter | Low |
| Phosphorus (P) | Low to high |
| Potassium (K) | Low |
| Nutrient Retention | High |
| Base Saturation | High |
| Salinity Hazard | None |
| Physical Soil Quality | |
|---|---|
| Relief | Undulating to hilly with level areas |
| Water Retention | High |
| Drainage | Poor |
| Permeability | Slow |
| Workability/Tilth | Moderate |
| Stoniness | Weathered rocks and concretions |
| Rooting Depth | Shallow (?0.5m) |
| Flooding | None |
| Erosion | Moderate to severe |
Surface Soil Type: Clay/Sandy clay loam
Family name: Fine-loamy, isohyperthermic, Typic Durustalf
An old soil which has undergone extensive weathering but has retained a high base status in its horizon alf Alfisol Hardpan develops in this series Duripan Dur This can be found in areas with pronounced wet and dry seasons ust The mean annual soil temperature is higher than 22C isohyperthermic