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from TheOldFellow contains these words:
On Fri, 27 Mar 2009 19:01:42 +0000
Chris ] wrote:

What do you use to poison tree stumps?
And how long does it take before the stump can easily be dug up?

Copper nails will kill a tree, so I guess they would kill a stump.

Easy digging is a function of how soon it rots, in particular how soon
the main roots rot. Hardwood 10-50+ years, softwood 3-10+ years. You
can speed it up a bit by drilling lots of long holes (say 300mm) into it
with an auger - it helps the fungi get right to the middle.

If it's under 150mm trunk diameter I'd dig round it at about half metre
distance, cut the main roots with a saw, then drag it out with a
winch. Takes about a day to do, then a week's bed rest Anything
bigger needs a proper stump grinder, and the skill to use it.

R.
(I have two to do )

Dig a hole under the stump with a long pointed iron bar, fill a
container with gunpowd^h^h^um - perhaps not!

--
Rusty
Growing old is mandatory; growing up is optional.
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