Formula needed

[Kenzen]

There should be a formula to determine the distance from the base of the tree to where you can prune the root of the tree.

 

[treeseer]

There should be a formula to determine the distance from the base of the tree to where you can prune the root of the tree.

There is, but its application depends on a lot of factors. Post a picture with details described and we can help.

 

[mndlawn]

http://www.arboristsite.com/showthread.php?t=125382