PhilRice

Soil Series

Information System

0-20
20-40
40-120
Antipolo Series
Soil Fertility Moderate
Soil pH Slightly acid (5.5-6.5)
Organic Matter Low
Phosphorus (P) Low
Potassium (K) Low
Nutrient Retention Moderate
Base Saturation High
Salinity Hazard Low
Physical Soil Quality
Relief Undulating to gently rolling
Water Retention Moderate
Drainage Good
Permeability Moderate
Workability/Tilth Easy
Stoniness Weathered basaltic and tuffaceous rock fragments; few concretions
Rooting Depth Deep
Flooding None
Erosion Moderate to severe
Surface Soil Type: Clay
Family name: Fine clayey, mixed, isohyperthermic, Kandic Paleustalf
An old soil which has undergone extensive weathering with illuvial accumulation of clay in the subsoil horizons from the overlying horizon alf Alfisol This can be found in areas with pronounced wet and dry seasons ust This is a representative of the great group Paleustalf paleu red soil with low nutrient retention in its argillic horizon or upper 100cm depth kandic The mean annual temperature is higher than 22C isohyperthermic