find out what the problem is first, then move to correct it. My mother nursed along
both a copper beech and a birch (hit by miners) at first and now the copper beech is
simply magnificent (rare in zone 5 skirting edges of zone 4). the birch recovered
after putting sufficient systemic insecticide down and it too is magnificent.
if the tree expert diagnosed the problem as poor quality, low nutrient soil, then as
the expert how much and what kind of fertilizer to use too.
if you are where there is winter coming, I would be hesitant to fertilize at this
time of year. I wouldnt want to stimulate the tree to too much growth which will not
harden off properly before winter. Ingrid

GaryM wrote:

I have now two trees on my new lot exhibiting signs of sickness. A red
oak and a black birch. In reality it was due to the builders and the
way they "rearranged things". I was told by tree expert that instead of
spending a lot of money on expensive treatments I should try lawn
fertilizer on the drip line. Is this worth a shot or should I just let
the tree try to restablish itself? Does anyone have specifics on the
process. At this stage I know to use holes 18" deep on the drip line in
a concentric circle. But how much fertilzer? I have a 10:10:10 mix I
was going to try.

Thanks in advance.



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