soil map units where 197C 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 | Easy rolling (8-11°). Smooth microrelief. |
Surface outcrops | Rock outcrops cover less than 2% of area. Surface boulders cover 5-10% of area. |
Brief soil profile description | - |
Soil profile texture | 0-40cm clay loam. 40-90cm clay. On weathered in situ rock. |
Minimum effective rooting depth | <90cm |
Soil pH (acidity) | 0-90cm slightly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Low organic carbon (C) % in topsoils and very low below 20cm. |
Soil moisture regime | ustic |
Susceptibility to drought | In normal years soil moisture deficits >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. |