soil map units where 2a Lufi gravelly sand is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | - |
| Landscape position | Soils of the coastlands, valley floors and their margins |
| Soil parent material | from basaltic beach sand |
| Slope | Undulating, somewhat broken |
| Surface outcrops | Surface gravelly in places. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 15-25cm clay (colluvium). 15cm gravelly sand. on gravelly sand |
| Minimum effective rooting depth | >100cm |
| Soil pH (acidity) | Slightly acid (pH = pH = 6.2) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate fertility. Low exchangeable potassium (K), available phosphorus (P). |
| Soil moisture regime | - |
| Susceptibility to drought | 0-3 dry months. Rainfall 2250-4000mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |