soil map units where 51V Nu'utele steepland soils, very steep phase is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Upolo |
| Landscape position | Soils of the lowlands and foothills - moderately dissected landscapes |
| Soil parent material | from calcereous lithic tuffs of the Vini Volcanics |
| Slope | Very steep precipitous slopes. Often cliffs facing sea. |
| Surface outcrops | Surface usually very bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 50cm bouldery loam. on weathering vitric tuff |
| Minimum effective rooting depth | <50cm |
| Soil pH (acidity) | Slightly acid (pH = 6.5) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Very high fertility. High available potassium (P) and exchangeable potassium (K) values. |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | Weak to moderate dry season (1-2 months <100mm rainfall). Rainfall 2500-3500mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
