soil map units where 197D Tavua 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 | Rolling (12-15°). Smooth microrelief. |
Surface outcrops | Rock outcrops cover less than 2% of area. Surface boulders cover 8-10% of area. |
Brief soil profile description | - |
Soil profile texture | 0-38cm clay loam. 38-100cm clay. On in situ rock. |
Minimum effective rooting depth | <100cm |
Soil pH (acidity) | 0-100cm slightly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Low organic carbon (C) % in topsoils and very low below 15cm. |
Soil moisture regime | ustic |
Susceptibility to drought | In normal years soil moisture deficits >120 days occur sometime in the period May to October. |
Soil drainage | Well drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Never floods. |