0-6
6-36
36-69
69-90
90 below
San Manuel Series
| Soil Fertility | High |
|---|---|
| Soil pH | Slightly acid to neutral (5.5-7.2) |
| Organic Matter | Low |
| Phosphorus (P) | High |
| Potassium (K) | Moderate |
| Nutrient Retention | High |
| Base Saturation | High |
| Salinity Hazard | Low |
| Physical Soil Quality | |
|---|---|
| Relief | Flat areas to gently sloping |
| Water Retention | Moderate |
| Drainage | Moderate |
| Permeability | Moderate |
| Workability/Tilth | Easy |
| Stoniness | None |
| Rooting Depth | Deep |
| Flooding | Seasonal |
| Erosion | None |
Surface Soil Type: Silt loam/Silty clay loam/Sandy loam/Sand
Family name: Fine loamy, mixed, isohyperthermic, Typic Haplustalf
An old soil which has undergone extensive weathering but has retained a high base status in its horizon alf Alfisol and exhibits minimum complexity in its horizonation hapl This can be found in areas with pronounced wet and dry seasons ust The mean annual soil temperature is higher than 22C isohyperthermic