PhilRice

Soil Series

Information System

0-9
9-25
Faraon Series
Soil Fertility High
Soil pH Slightly acid
Organic Matter Moderate to high
Phosphorus (P) Low to moderate
Potassium (K) Moderate
Nutrient Retention High
Base Saturation High
Salinity Hazard Low
Physical Soil Quality
Relief Rolling to hilly
Water Retention High
Drainage Good
Permeability Slow
Workability/Tilth Moderate
Stoniness Common to many (Coralline limestone)
Rooting Depth Shallow (0.3m)
Flooding None
Erosion Moderate to severe
Surface Soil Type: Clay
Family name: Fine, isohyperthermic, Lithic Haplustolls
A calcareous fine textured soil with less than 65 clay developed from the weathering of the soft and porous coralline limestone which is usually grayish but becomes orange to dark yellowish gray upon weathering It is dark colored with high organic matter content oll and high base status Limestone fragments are found in the shallow horizon lithic It is usually found in areas with pronounced wet and dry seasons ust Ustic and mean annual temperature higher than 22C isohyperthermic