PhilRice

Soil Series

Information System

0-14
14-28
28-55
55-88
Alimodian Series
Soil Fertility Low to moderate
Soil pH Acid (4.5
Organic Matter Low to moderate
Phosphorus (P) Low to moderate
Potassium (K) Low to moderate
Nutrient Retention High
Base Saturation Moderate to high
Salinity Hazard Low
Physical Soil Quality
Relief Rolling to mountainous
Water Retention High
Drainage Good
Permeability Moderate
Workability/Tilth Easy
Stoniness Occasional
Rooting Depth Moderate (0.6 m)
Flooding None
Erosion Moderate to severe
Surface Soil Type: Clay loam
Family name: Fine, smectitic (ca.), isohyperthermic, Calcic Haplustalfs
A fine textured soil with large amount of clay 35 60 developed from soft and porous sedimentary rocks eg shale and sandstones An old soil that exhibits illuvial accumulation of clay in the subsoil from the underlying horizons and has retained a high base status alf Alfisol with high amount of calcium in the subsoil calcic It has a minimum complexity in its horizonation Hapl It is found in areas with pronounced wet and dry seasons ust Ustic with a mean annual soil temperature higher than 22C isohyperthermic This soil is traversed by several creeks and rivers