soil map units where K Koulu soils is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Ha’apai |
| Landscape position | Young ash and wind-blown sand inland of coastal margins. |
| Soil parent material | - |
| Slope | Very gently undulating slopes (3°) |
| Surface outcrops | - |
| Brief soil profile description | 0-20 cm Dark reddish brown friable sandy clay loam; 20-40 cm Dark reddish brown friable calcareous sandy clay;on Dark reddish brown firm to friable calcareous clay. |
| Soil profile texture | - |
| Minimum effective rooting depth | <55 cm |
| Soil pH (acidity) | Moderately alkaline |
| Salinity | - |
| Soil fertility under natural conditions | Not analysed |
| Soil moisture regime | - |
| Susceptibility to drought | - |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | - |
| Susceptibility to flooding | - |