soil map units where 105H Nasau is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Cicia, Koro, Taveuni |
| Landscape position | Young volcanic hill country in the lowlands and foothills |
| Soil parent material | older pahoehoe lavas |
| Slope | Very steep (36-40°). Uneven microrelief. |
| Surface outcrops | Surface rock outcrops cover 8% of the surface. Surface boulders occupy 5% of the surface. |
| Brief soil profile description | - |
| Soil profile texture | 0-9cm very friable silty clay loam. 9-15cm very friable silty clay. 15-45cm friable silty clay. 45-70cm firm clay loam. |
| Minimum effective rooting depth | <70cm. In situ basalt rock at 70cm. |
| Soil pH (acidity) | 0-45cm moderately acid. 45-70cm slightly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low phosphorus (P) and potassium (K). Moderate phosphate retention. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits of up to 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. |
