99A Kirikiri

soil map units where 99A Kirikiri is dominant

Soil properties

Property Value
Geographic distribution Rotuma
Landscape position Young volcanic hill country in the lowlands and foothills
Soil parent material young aa lava
Slope Flat to gently undulating (0-3°). Uneven microrelief due to surface boulders and protruding outcrops.
Surface outcrops Surface rock outcrops cover 10% of area. Surface boulders cover 5-10% of the area.
Brief soil profile description -
Soil profile texture 0-22cm stony silt loam. 22-50cm stony loam. 50-122cm+ bouldery sandy loam.
Minimum effective rooting depth <100cm. Boulders abundant below 50cm.
Soil pH (acidity) 0-22cm slightly acid. 22-122cm near neutral.
Salinity Non saline.
Soil fertility under natural conditions Potassium (K) very low below 22cm. Very high phosphorus retention.
Soil moisture regime udic/perudic
Susceptibility to drought In normal years soil moisture deficits are never experienced.
Soil drainage Somewhat excessively drained.
Susceptibility to waterlogging Never waterlogs.
Susceptibility to flooding Never floods.

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