soil map units where 65H Fagaga hill soils is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Samoa |
| Landscape position | Soils of the lowlands and foothills - moderately dissected landscapes |
| Soil parent material | from mainly pahoehoe of the Salani Volcanics |
| Slope | Moderately steep and strongly rolling slopes |
| Surface outcrops | Surface stony and bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 18cm very stony and bouldery silty clay. 18-45cm very bouldery silty clay. on boulders and stones with silty clay |
| Minimum effective rooting depth | <50cm |
| Soil pH (acidity) | Moderately acid (pH = 5.5) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Low to moderate fertility. Low available phosphorus (P), organic calcium (C) and exchangeable potassium (K). Base saturation low. |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | No dry season. Rainfall 3250-4375mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
