soil map units where 131H Vasilaulau is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | basic and intermediate sedimentary rocks |
| Slope | Very steep (36-38°). Uneven microrelief. |
| Surface outcrops | Many surface rock outcrops. Few surface stones and no surface boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-24cm clay loam. 24-42cm stony clay loam. On in situ rock. |
| Minimum effective rooting depth | <45cm. Hard in situ rock at 45cm. |
| Soil pH (acidity) | 0-42cm strongly acid. 42-70cm moderately acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low phosphorus (P) and potassium (K) below 24cm. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits of >120 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
