PhilRice

Soil Series

Information System

0-18
18-39
39-84
84-112
Quingua Series
Soil Fertility Moderate to high
Soil pH Slightly acid to neutral (5.5-7.5)
Organic Matter Low
Phosphorus (P) Low to moderate
Potassium (K) Low to moderate
Nutrient Retention High
Base Saturation High
Salinity Hazard None
Physical Soil Quality
Relief Level to slightly undulating
Water Retention Moderate
Drainage Excessive
Permeability Moderate
Workability/Tilth Easy
Stoniness None
Rooting Depth Deep (>1m)
Flooding Seasonal
Erosion None
Surface Soil Type: Clay loam/Silt loam/Silty clay loam
Family name: Fine, montmorillonitic, isohyperthermic, Typic Haplustalf
An old soil which has undergone extensive weathering but has retained a high base status in its horizon alf Alfisol exhibits minimum complexity in its horizonation hapl This can be found in areas with pronounced wet and dry seasons ust The mean annual soil temperature is higher than 22C isohyperthermic