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Old 19-05-2009, 07:38 PM posted to uk.rec.gardening
K K is offline
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First recorded activity by GardenBanter: Jul 2006
Posts: 1,966
Default Is this tree likely to be a threat?

Broadback writes
Also be aware that cutting down trees can cause problems. Extensive
roots rot then the soil shifts to fill the holes.


Is that the mechanism? I thought it was that the trees were no longer
taking up the ground water, so the soil volume increased because of the
extra water, so you got 'heave' as opposed to subsidence.
--
Kay