soil map units where 19 Falealupo bouldery silty clay loam is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Samoa |
| Landscape position | Soils of the lowlands and foothills - very slightly dissected landscapes |
| Soil parent material | from mainly pahoehoe basalt of the Puapua Volcanics |
| Slope | Flattish to undulating lava sheet |
| Surface outcrops | Surface consists of bare lava in part. |
| Brief soil profile description | 12.5 cm dark brown (7.5YR-10YR3/2) silty clay loam; 12.5 cm grayish brown (10YR5/2) clay loam; on pahoehoe lava |
| Soil profile texture | 12cm silty clay loam. 12cm clay loam. on pahoehoe lava |
| Minimum effective rooting depth | <25cm |
| Soil pH (acidity) | Slightly acid (pH = pH = 6.1) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate to high fertility but rapidly lost. |
| Soil moisture regime | With weak to strong dry season (Udic moisture regime) |
| Susceptibility to drought | Moderate to strong dry season (3 months <60mm rainfall). Rainfall 2125-2250mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
