soil map units where K Koulu soils is dominant
                
            
        Soil properties
| Property | Value | 
|---|---|
| Geographic distribution | Ha’apai | 
| Landscape position | Young ash and wind-blown sand inland of coastal margins. | 
| Soil parent material | - | 
| Slope | Very gently undulating slopes (3°) | 
| Surface outcrops | - | 
| Brief soil profile description | 0-20 cm Dark reddish brown friable sandy clay loam; 20-40 cm Dark reddish brown friable calcareous sandy clay;on Dark reddish brown firm to friable calcareous clay. | 
| Soil profile texture | - | 
| Minimum effective rooting depth | <55 cm | 
| Soil pH (acidity) | Moderately alkaline | 
| Salinity | - | 
| Soil fertility under natural conditions | Not analysed | 
| Soil moisture regime | - | 
| Susceptibility to drought | - | 
| Soil drainage | Well drained | 
| Susceptibility to waterlogging | - | 
| Susceptibility to flooding | - | 
 
                         
                         
                        