0-18
18-49
49-69
Tupi Series
| Soil Fertility | Low to moderate |
|---|---|
| Soil pH | Acidic (4.5 |
| Organic Matter | Moderate |
| Phosphorus (P) | Moderate to high |
| Potassium (K) | Low |
| Nutrient Retention | Low |
| Base Saturation | Very low |
| Salinity Hazard | None |
| Physical Soil Quality | |
|---|---|
| Relief | Undulating to rolling |
| Water Retention | Low |
| Drainage | Moderate to good |
| Permeability | Moderate to rapid |
| Workability/Tilth | Easy |
| Stoniness | Common at 0.3 m |
| Rooting Depth | Shallow (<0.5 m) |
| Flooding | None |
| Erosion | Moderate to severe |
Surface Soil Type: Silt loam/Fine sandy loam
Family name: Medial/ cindery, isohyperthermic, Umbric Vintradepts
Soil developed from underlying residual material of partially weathered andesitic rocks It is coarse textured having more than 60 volcanic ash cinders and pumice fragments medial and less than 35 rock fragments cindery It is in its incipient development stage toward a mature soil but has not yet fully developed its diagnostic horizons ept Inceptisol It has a dark colored surface soil composed of coarse fragments of less than 30 cm in diameter has high organic carbon 06 and less than 50 base saturation Umbric It is commonly found in humid climates that have well distributed rainfall 7 months wet and 2 months dry The mean annual soil temperature is higher than 22C isohyperthermic This soil is traversed by intermittent rivers and creeks