soil map units where 59H Avele hill soils 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 of the Salani Volcanics |
| Slope | Moderately steep and very strongly rolling slopes |
| Surface outcrops | Surface very stony and bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 15cm bouldery clay. 20cm very bouldery clay. on weathered boulders with some clay |
| Minimum effective rooting depth | <50cm |
| Soil pH (acidity) | Moderately acid (pH = 5.6) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate to low fertility. Base saturation 20-30%. Nutrients deplete quickly under cropping. |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | Very weak dry season (1 month <100mm rainfall). Rainfall 3750-4375mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
