soil map units where 177D Navava is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | basic and intermediate igneous rocks |
| Slope | Rolling (12-15°). Generally even microrelief. |
| Surface outcrops | Few surface rock outcrops. Rare surface boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-60cm clay. 60-91cm sandy clay. 91-123cm coarse sandy clay loam. On weathered in situ rock (coarse sandy loam). |
| Minimum effective rooting depth | <120cm. Weathered in situ rock between 120-130cm. |
| Soil pH (acidity) | 0-31cm slightly acid. 31-60cm near neutral. 60-180cm slightly alkaline. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low potassium (K) below 7cm. |
| 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. |
