0-6
6-36
36-69
69-90
90 below
San Manuel Series
| Soil Fertility | Moderate to 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 | None to 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 | Infrequent |
| Erosion |
Surface Soil Type: Sandy loam/Silt loam
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 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