Takapau

39, 39G - Takapau - Dominant Soil @ Map Scale 1:50000

Associated Soil/s	74, 32  may also be found within these areas (39,  39g)  if a more detailed survey was carried out.
Soil Properties of Dominant Soil/s
Parent material	Tongariro alluvium from volcanic ash and greywacke over red metal stones
Characteristics of site	Intermediate terraces
Soil features	Sandy loam with some ash over ashy sandy loam over stones
Natural drainage Depth to water table after wet periods	Good >10 m
Potential rooting depth, texture, and limiting layer	39 - 30-45 cm sandy loam on ashy sandy loam on stones 39g – about 30 cm ashy sandy loam on stones
Available water capacity	39 - 25-50 mm 39g – <25 mm
Infiltration rate	39 – moderate 39g - rapid
Permeability rate	Very rapid
Susceptibility to pugging and compaction when wet	Low
Susceptibility to wind erosion when dry	Extremely high
Unfavourable soil characteristics	39 - Low AWC 39g – very low AWC 39g - rapid infiltration 39, 39g - very rapid permeability Topsoil easily eroded by wind Low fertility – moderate to high phosphate retention (moderate allophane)

 

Soil Management of Dominant Soil/s

Artificial drainage	None required
Cultivate when moist to avoid wind erosion	39, 39g
Irrigation:- Recommended method Dripper spacing for continuous wetted strip Amount and frequency	Sprinkler to prevent water loss 39, 39g – 30 cm if 4 l/hr drippers used 39 - 15-20 mm 39g – 12-15 mm little and often to prevent water loss

 

Takapau (39,39g) (photo K. Vincent)