soil map units where 143D Vatuvonu is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Vanua Levu |
Landscape position | Hill country in the lowlands and foothills |
Soil parent material | quartz rich and acidic tuffs |
Slope | Rolling (12-15°). Uneven microrelief. |
Surface outcrops | Surface rock outcrops cover 12% of the surface. Surface stones occupy 3% of the surface. |
Brief soil profile description | - |
Soil profile texture | 0-10cm friable stony sandy clay loam. 10-25cm friable very stony sandy loam. On weathering pumiceous agglomerate. |
Minimum effective rooting depth | <25cm. Weathering in situ rock at 25cm. |
Soil pH (acidity) | 0-10cm strongly acid. 10-25cm moderately acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Low phosphorus (P). |
Soil moisture regime | udic/perudic |
Susceptibility to drought | In normal years soil moisture deficits of up 120 days are experienced sometime in the period May to October. |
Soil drainage | Well drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Never floods. |