soil map units where Mg Mango soils is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Ha’apai |
| Landscape position | Young ash and andesitic tuffs on slopes around the base of the hill area on Mango Island. |
| Soil parent material | - |
| Slope | Rolling (<12°) slopes. |
| Surface outcrops | - |
| Brief soil profile description | 0-20 cm Dark reddish brown firm, plastic clay; on Weakly weathered horizon grading to cemented volcanic tuffs at 50 cm. |
| Soil profile texture | - |
| Minimum effective rooting depth | <50 cm (lithic contact) |
| Soil pH (acidity) | Near neutral to slightly alkaline |
| Salinity | - |
| Soil fertility under natural conditions | Low Organic carbon (C) and nitrogen (N) contents. Low phosphorus (P) and medium phosphorus (P) retention. |
| Soil moisture regime | - |
| Susceptibility to drought | - |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | - |
| Susceptibility to flooding | - |