soil map units where 120B Yako is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | colluvium derivedfrom calcareous tuffs, sandstones and marls |
| Slope | Undulating (4-7°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No surface boulders but a few surface stones. |
| Brief soil profile description | - |
| Soil profile texture | 0-30cm very friable stony clay loam. On in situ rock. |
| Minimum effective rooting depth | <30cm. Fractured in situ rock at 30cm depth. |
| Soil pH (acidity) | 0-30cm moderately alkaline. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low nitrogen (N). |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits of 100 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
