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nafex - Re: [NAFEX] boron

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  • From: Steve <sdw12986@aol.com>
  • To: North American Fruit Explorers <nafex@lists.ibiblio.org>
  • Subject: Re: [NAFEX] boron
  • Date: Sun, 11 Jan 2009 00:53:53 -0500



Ernest Plutko wrote:
Boric acid is about 16.5% boron and borax is about 11.3% boron. I
understand boron deficiency is rare and it is easy to poison plants
with boron.


So, if most soils have enough boron and it's easy to add too much, making the soil toxic, are there areas that naturally have too much boron for most plants? Oh, I'm sure that could be the case out west, especially in an internal drainage basin situation where there's too much of lots of things. What about the eastern half of North America?
It seems impossible to me that there would be a fine line between an optimal amount and a toxic amount. If it were a tiny difference, then I would expect big areas with a deficiency and/or big areas with too much.

I've often wondered if my yard could be deficient in boron. (Not so curious though that I sent in a soil test.) I live in the northeast, in an area where the underlying rock is about all granite. I do live along the lake shore and not up the side of a mountain.

I remember something about beets needing boron, and I think someone here mentioned beets. I never grew them until the last 2 summers. They seemed to do fine so can I trust that I have enough boron? The leaves were kind of sickly looking but the beets sized up OK and were tasty (for a beet).

Steve ... in the Adirondacks of northern NY





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