Aeration of your lawn is an important process to do in your lawn on a yearly basis, Core aeration can help make your lawn healthier and reduce its maintenance requirements through these means, Enhanced soil water uptake. Improved fertilizer uptake and use. Aeration of your lawn allows oxygen to get down to the root level of the grass and it also brakes up the soil to allow water and nutrient to get down to the roots of the lawn.
As New Zealand soils are pron to compact and to become hydrophobic, Hydrophobic soils do not absorb water or nutrients as healthy soils do so they do not support grass growth and commonly turns to dust. By Aeration your lawn you will promote growth and will allow nutrients to get down to the roots.