Soil | Soil type | Water holding capacity (when pressure not applied) |
Alluvial | Clay | 70% - 80% |
Sandstone | Loamy | 80% - 90% |
Sandstone | Loamy sand | 30% - 40% |
Basalt | Silt loam | 70% - 75% |
Basalt | Silty clay loam | 70% - 80% |