There Are A Number Of Reasons You Might Want Ta Kill A Tree This Way
The most obvious reason is you want the tree to remain standing.
This is usually done to the trees you have chosen to eventually cut down and cut up for firewood.
By killing the tree a couple of years ahead of time allows the tree to dry out and your wood will be ready to burn.
Another reason to girdle a tree to kill it may be to provide a home for insects and thus food for a bird population in your area.
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