soil map units where U1 Uolevu soils, sandy loam is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Ha’apai |
| Landscape position | Occur behind the coastal beach deposits. |
| Soil parent material | - |
| Slope | Very gently undulating (<3°) |
| Surface outcrops | - |
| Brief soil profile description | 0-25 cm Black to Very dark brown very friable calcareous sandy loam; 25-50 cm Dark brown calcareous loamy sand; on Weakly altered loose coral sand |
| Soil profile texture | - |
| Minimum effective rooting depth | <70 cm |
| Soil pH (acidity) | Near neutral to moderately alkaline |
| Salinity | - |
| Soil fertility under natural conditions | Topsoil organic carbon (C) values high and nitrogen (N) medium. Very high base saturation (%) with free lime in subsoils. phosphorus (P) values very high and reserve potassium (K) very low. |
| Soil moisture regime | - |
| Susceptibility to drought | Seasonal soil moisture deficit |
| Soil drainage | Somewhat excessively drained |
| Susceptibility to waterlogging | - |
| Susceptibility to flooding | - |