0-15
15-27
27-43
43-73
San Fernando Series
| Soil Fertility | Moderate to high |
|---|---|
| Soil pH | Slightly acid (5.5-6.2) |
| Organic Matter | Low |
| Phosphorus (P) | High |
| Potassium (K) | Moderate |
| Nutrient Retention | Very high |
| Base Saturation | Very high |
| Salinity Hazard | None |
| Physical Soil Quality | |
|---|---|
| Relief | Level to nearly level |
| Water Retention | High |
| Drainage | Poor |
| Permeability | Moderate |
| Workability/Tilth | Moderate |
| Stoniness | Concretions |
| Rooting Depth | Deep (>1m) |
| Flooding | Infrequent |
| Erosion |
Surface Soil Type: Clay
Family name: Fine, smectitic, isohyperthermic, Typic Epiaquept
A young soil ept Inceptisol developed from recent alluvial deposits of fine soil material from surrounding uplands It is fine textured with 35 60 clay dominated by minerals with high shrink and swell capacity smectitic creating wide cracks at the surface very sticky when wet and becomes hard upon drying This soil is saturated with water aqu aqua for repeated periods of time It has a mean annual soil temperature higher than 22C isohyperthermic