Jim Lewis wrote:

On 21 Nov 2004 at 9:58, Theo wrote:


Hi
I normally give some microelements mixed with the repotting soil
and sometimes I sprinkle some this period of the year on the surface
but when is the best period and how often shouldl micro elements be
given to the bonsai ?
once per ear twice ? more often ..
I agree it all depends about the retention of the soil and the washing
of the same for strong rains
any advice?
Thanks


The best way is to fertilize with a fertilizer that already
contains microelements, since trees need and use them all year
long (even hibernating trees need their sustenance).

But they don't need MUCH of any one of them -- fractions of a
percent per unit of fertilizer/water -- and adding microelements
yourself to trees in small pots can easily overdose them.

Once a year, assuming your bonsai soil is a free-draining mix
would be far to little; the stuff would vanish in a day or two,
and I do not know how efficiently trees' roots take up the minor
elements.

So, I'd recommend a fertilizer that contains it all so that your
trees have what they need throughout the year.
HI Jim
I see
I have bought 2 poinds of it few years ago
and give a coffee spoon in teh mix and in novembere on the soil
some peopel uso jin liquid 2% with water to give to teh soil to
acidify it and is good for roots too but not with pines ..
Jorge Penalba advice some S sulphur dust on the soil, so I decided to
buy some S sulphur and suddenly checked on my microelements box to see
if there was any

there it is in teh mix ,a high % 15 !!!

now the point is
will once per year do enough ,or is better maybe to give some each
yeach qarter of the year ?
teh box says that the quantity is good ( 2 lbs for a 4 sq ft of soil ..
but does not say once in spring or november or sparingly... say
nothing !

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