soil map units where 13 Vaigafa silty clay loam is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Upolo |
| Landscape position | Soils of the coastlands, valley floors and their margins |
| Soil parent material | from basic colluvium |
| Slope | Swampy land. Shallow, wide, basin-like depressions. |
| Surface outcrops | Surface free of boulders and stones. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 10cm silty clay loam. 60cm slightly gritty silty clay loam. on gritty silty clay loam |
| Minimum effective rooting depth | Nil. Due to high water table. |
| Soil pH (acidity) | Strongly acid (pH = pH = 5.2) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate fertility |
| Soil moisture regime | - |
| Susceptibility to drought | No dry season. Rainfall 3250-4500mm. |
| Soil drainage | Very poorly drained |
| Susceptibility to waterlogging | Frequently waterlogs |
| Susceptibility to flooding | Almost continuously flooded with water table at or near the surface |
