"Peter Jason" wrote:
I want to stop the growth of tree roots under my house.
I hear that copper nails, hammered into the root in question, will do this.
"Not only is a copper nail not only not going to kill the tree, but it
is a primary components of many fungicides." [Western Chapter
International Society of Arboriculture]
Trenching around the house and cutting off roots approaching the house
is the best option.
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