soil map units where 150H Vatubaba is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | silicified and indurated tuffs, sandstones, marls and agglomerates |
| Slope | Very steep (36-39°). Uneven microrelief. |
| Surface outcrops | Surface rock outcrops cover 5% of the surface. Surface boulders occupy 5% of the surface. |
| Brief soil profile description | - |
| Soil profile texture | 0-20cm very friable clay loam. 20-30cm friable stony clay loam. 30-40cm very firm stony clay. 40-70cm very firm bouldery loam. 70-120cm very firm bouldery sandy loam. |
| Minimum effective rooting depth | <70cm. Strongly weathered in situ bouldery parent material at 70cm. |
| Soil pH (acidity) | Strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Potassium (K) low. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits of 30 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
