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Old 20-03-2004, 11:56 AM
Henrik Gistvall
 
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Default [IBC] fertilizing after transplanting

Jim Lewis wrote:

Howlong is a good time to wait to fertilize bonsai after being

transplanted?
Thanks, Colin Horn SanFrancisco Bay Area, CA


5 minutes?

There's no reason to NOT fertilize. It will NOT burn the
roots -- unless you apply at 4-5 times label strength. Give half
strength if you feel you must, but I have always fertilized newly
potted trees as I fertilize all my others and at label strength.


We had an article on fertilizing (or rather nitrogen) in the swedish
bonsai societys newsletter (Written by a woman who works for SLU the
Swedish "agricultural university"). I agree thet there is no need to
wait with fertilizing for a well established plant with a good set of
roots. But for a plant with few roots eg a Yamadori tree, or a nursery
tree that has undergone som major root pruning it might be a good idea
to hold back on the nitrogen. The lack of nitrogen will stimulate root
growth. If you donīt fertilize at all for a few weeks or just use a low
nitrogen fertilizer will probably not matter.

Henrik Gistvall, Uppsala, Sweden

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