What is one technique you trust for safe root collar excavation to correct girdling roots on urban maples? What result did you see that confirmed it worked?

To safely excavate the root collar of urban maples and address girdling roots, start with a thorough health assessment of the tree and its root structure. Use hand tools to gently remove soil around the base, exposing the root collar while avoiding damage to healthy surface roots. Finally, carefully identify and trim any girdling roots that may be impacting the tree's health.