Richard Sterry wrote on 03/04/2004 :
I used copper to help kill off some stumps five years ago. It has
prevented them regrowing, but it has made little diffence to the speed
of the rotting of them.
Evergreen conifer stumps don't seem to rot very readily, unlike many
deciduous species.
These two stumps were (are) from two rather large weeping willow.
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Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.org