0-16
16-48
48-69
69-90
Bigaa Series
| Soil Fertility | Moderate to high |
|---|---|
| Soil pH | Slightly acid to neutral (6.0-7.0) |
| Organic Matter | Low |
| Phosphorus (P) | High |
| Potassium (K) | Low |
| Nutrient Retention | High |
| Base Saturation | High |
| Salinity Hazard | None to low |
| Physical Soil Quality | |
|---|---|
| Relief | Dissected alluvial terraces & depressed areas |
| Water Retention | High |
| Drainage | Very poor |
| Permeability | Slow |
| Workability/Tilth | Moderate |
| Stoniness | Fe-Mn concretions |
| Rooting Depth | Deep (>1 m) |
| Flooding | None to seasonal |
| Erosion | None to slight |
Surface Soil Type: Clay
Family name: Very-fine, montmorillonitic, isohyperthermic, Typic Epiaquert
A very fine textured soil having 60 clay dominated by minerals with high shrink and swell capacity montmorillonitic creating wide cracks very sticky when wet and compacted when dry It is a typical representative of the great group Epiaquert It is saturated with water repeatedly aqu manifested by its gray color with or without mottles It has an annual soil temperature higher than 22C isohyperthermic