soil map units where 190E Kubuna is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | basic and intermediate igneous rocks |
| Slope | strongly rolling (16-20°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-10cm clay loam. 10-125cm clay. |
| Minimum effective rooting depth | >125cm |
| Soil pH (acidity) | 0-125cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Potassium (K) extremely low. Phosphorus (P) and nitrogen (N) low. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits 100-120 days are experienced sometime in the period May to October. |
| Soil drainage | Moderately well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
