PhilRice

Soil Series

Information System

0-6
6-36
36-69
69-90
90 below
San Manuel Series
Soil Fertility Moderate
Soil pH 6.7-7.4
Organic Matter
Phosphorus (P) Low
Potassium (K) Medium
Nutrient Retention
Base Saturation
Salinity Hazard
Physical Soil Quality
Relief Level
Water Retention
Drainage Well drained
Permeability Moderately slow to slow
Workability/Tilth
Stoniness None
Rooting Depth Deep
Flooding Flooding
Erosion
Surface Soil Type: Clay loam
Family name: Fine loamy, smectitic (ca.), isohyperhtermic, Fluvaquent Epiaquept
Fine loamy textured soil with moderate amount of clay 18 35 with isohyperthermic temperature regime 22C It is an Inceptisol ept ie it is in the incipient development towards mature soils but have not yet fully developed their diagnostic horizons It is saturated with water for reapeated periods of time aqu due to river flooding fluvaquentic manifested by its gryaish color with or without mottles