Methods to increase diversity.
It has been standard practice in macadamias to keep the plantations "clean" and park like. This has a visual appeal but may not be the best practice for pest management.
Methods to increase plant growth and diversity that are likley to provide a better environment for natural enemies:
Reduce mowing when possible.
Half row at a time mowing,
Leave Mohawk nature strips when possible
Cultivation of strips will allow seed bank to germinate
Ripping and cultivating Tynes
This ground has cultivated with a 900 mm rotary hoe providing a very good seed bed.