soil map units where 217G Soqulu is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Taveuni |
Landscape position | Young volcanic landscapes in the uplands |
Soil parent material | basaltic scoria cones |
Slope | Steep (26-35°). Very uneven microrelief. |
Surface outcrops | No surface rock outcrops. Surface boulders occupy 10% of the surface. |
Brief soil profile description | - |
Soil profile texture | 0-12cm soft peaty silt loam. 12-38cm friable peaty silt loam. 38-57cm firm gravelly and gritty loam. 57-70cm friable loamy fine sandy gravel. 70-150cm weathered in situ scoria. |
Minimum effective rooting depth | <75cm. Compact scoria at 75cm. |
Soil pH (acidity) | 0-38cm moderately acid. 38-70cm slightly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Very low nitrogen (N) and potassium (K). Very high phosphate fixation. |
Soil moisture regime | udic/perudic |
Susceptibility to drought | In normal years never experiences soil moisture deficits. |
Soil drainage | Somewhat excessively drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Never floods. |