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Tree Roots

Posted by Rich Ohara on April 2nd, 1998 02:50 PM
In reply to Tree Roots by Jeffrey Bravin on March 31st, 1998 11:34 AM [Go to top of thread]

In Ca., we have the same problems of lateral
tree roots caused by shallow watering and compacted
clay soils. We have controlled the lateral roots
by "verti-cutting" the tree roots with our backhoe
and trenchers. Once this is accomplished, we install
a material called "Bio-Barrier" which contains Treflan,
a time-released herbicide which inhibits plant
encroachment (roots). Basically, it is a piece of fabric that
is treated with this herbicide chemical. We
install the materials adjacent to our trench and
backfill with sand. The depth of material depends
upon the root structure and type of tree that you
are trying to control. You need to check with
your Agricultural Dept. to see if this material is
compatible to your surroundings.

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