PhilRice

Soil Series

Information System

0-10
10-31
31-55
Sibul Series
Soil Fertility Moderate to high
Soil pH Slightly acid (5.0-6.5)
Organic Matter Low
Phosphorus (P) Moderate
Potassium (K) Moderate
Nutrient Retention Moderate
Base Saturation Moderate to high
Salinity Hazard None
Physical Soil Quality
Relief Sloping to rolling foothills
Water Retention Moderate
Drainage Good
Permeability Moderate
Workability/Tilth Moderate
Stoniness Gravels/limestone; soft tuff rock; Mn concretions
Rooting Depth Moderate (<1 m)
Flooding
Erosion Slight to moderate
Surface Soil Type: Clay
Family name: Fine-clayey, mixed, isohyperthermic, Kanhaplic Haplustalf
An old soil which has undergone extensive weathering but has retained a high base status in its horizon alf Alfisol and exhibits minimum complexity in its horizonation hapl It has a fine textured soil having 35 60 clay dominated by minerals that has low to moderate nutrient retention kanhaplic This can be found in areas with pronounced wet and dry seasons ust The mean annual soil temperature is higher than 22C isohyperthermic