soil map units where 170E Tailevu is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu, Vanua Levu |
Landscape position | Hill country in the lowlands and foothills |
Soil parent material | basic and intermediate igneous rocks |
Slope | Strongly rolling (16-20°). Generally uneven microrelief. |
Surface outcrops | No surface rock outcrops. Few surface boulders. |
Brief soil profile description | - |
Soil profile texture | 0-15cm friable silty clay loam. 15-90cm very firm clay. 90-140cm in situ coarse angular basalt rubble. |
Minimum effective rooting depth | <90cm. In situ rock at 90cm. Note low subsoil nutrient status. |
Soil pH (acidity) | 0-140cm strongly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Very low phosphorus (P). Very low potassium (K) and nitrogen (N) below 15cm. |
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. |