0-13
13-35
Bolinao Series
| Soil Fertility | Moderate |
|---|---|
| Soil pH | Slightly acid to neutral (5.5-7.2) |
| Organic Matter | Low |
| Phosphorus (P) | Low to moderate |
| Potassium (K) | Low |
| Nutrient Retention | High |
| Base Saturation | Moderate |
| Salinity Hazard | None to low |
| Physical Soil Quality | |
|---|---|
| Relief | Highly rolling upland |
| Water Retention | High |
| Drainage | Good external, poor internal |
| Permeability | Moderate |
| Workability/Tilth | Moderate |
| Stoniness | Gravels ; limestone; Fe-Mn concretions |
| Rooting Depth | Moderate to Deep (0.8->1 m) |
| Flooding | |
| Erosion | Moderate |
Surface Soil Type: Clay loam
Family name: Fine-clayey, mixed, isohyperthermic, Ultic Paleustalf
An old soil which has undergone extensive weathering but has retained a high base status in its horizonation alf Alfisol This is a representative of the great group Paleustalf paleu red soils that has base saturation of 75 ultic This can be found in areas with pronounced wet and dry seasons ust The mean annual soil temperature is higher than 22C isohyperthermic