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 Rolling to hilly and mountainous
Water Retention Moderate
Drainage Good
Permeability Moderate
Workability/Tilth Easy
Stoniness Presence of tuffaceous rock fragments
Rooting Depth Deep (>1 m)
Flooding None
Erosion Moderate to severe
Surface Soil Type: Clay
Family name: Fine, mixed, isohyperthermic, Kandic Paleustalf
An old soil which has undergone extensive weathering with illuvial accumulation of clay in the subsoil horizons from the underlying horizon alf Alfisol This can be found in areas with pronounced wet and dry season ust It is a representative of the great group Paleustalf with low nutrient retention kandic The mean annual soil temperature is higher than 22C isohyperthermic