4) chemical intervention (by far least prefered- only to be considered in
the most extreme of cases)- Using chemical pesticides to control the aphids-
however in permaculture design thinking, if such a drastic step is deemed
necessary, something is fundementally out of balance. It would make sense to
think about major redesign of the system...
There are times when Permaculture designers might consider one-off
application of a non-persistant herbicide to clear a large area of ground in
a hurry in order to plant it up with edible crops to be acceptable- the
'hierarchy of interventions' is a pattern language which in a way says
"Never say never", if you see what I mean...
HTH, Graham
www.landandliberty.co.uk
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