soil map units where 160D Narayawa is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | in situ acidic rocks (granite, andesite and dacite) |
| Slope | Rolling (12-15°). Uneven microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-30cm sandy loam. 30-70cm coarse sandy loam. 70-125cm coarse sand. |
| Minimum effective rooting depth | <70cm. Strongly weathered in situ rock between 70-80cm. |
| Soil pH (acidity) | 0-10cm moderately acid. 10-125cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Potassium (K) very low below 30cm. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
