Judith in England wrote:

I must admit I was gobsmacked with the comments about the depth of the root
systems: I always thought that the main root system were much deeper than one
or two meters.

If you've ever pulled trees out with a tractor or seen fallen trees
that have pulled up their roots then it's very obvious. The roots on
big trees *spread* but don't go very deep, there's nothing down there
for the tree to 'feed' on.

--
Chris Green
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