soil map units where 31 Vailele stony silty clay loam is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Upolo |
| Landscape position | Soils of the lowlands and foothills - moderately dissected landscapes |
| Soil parent material | from mixed pahoehoe and aa basalt of the Salani Volcanics |
| Slope | Undulating to rolling slopes |
| Surface outcrops | Surface locally bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 15cm slightly bouldery stony clay. 90cm bouldery clay. on very bouldery clay |
| Minimum effective rooting depth | >125cm |
| Soil pH (acidity) | Moderately acid (pH = pH = 5.5) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate to high fertility residing entirely in the topsoil. Plant nutrients rapidly depleted. |
| Soil moisture regime | With weak to strong dry season (Udic moisture regime) |
| Susceptibility to drought | Weak dry season (1-2 months <100mm rainfall). Rainfall 2750-3000mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
