PhilRice

Soil Series

Information System

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 Rolling
Water Retention High
Drainage Moderate to good
Permeability Slow
Workability/Tilth Moderate
Stoniness Gravels; limestone rocks; concretions
Rooting Depth Moderate to deep (0.8-1 m)
Flooding None
Erosion Moderate
Surface Soil Type: Clay/Clay loam/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 horizon 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