Re: salt for weeds????

On Wed, 15 Mar 2006 19:00:23 GMT, "Karen" <horcgal@xxxxxxxxxxxxxxxx>
wrote:

I cant remember where I read it, maybe it was here, if so maybe someone
remembers the post. Anyway, somewhere there was a discussion going
on about using a type of ice melting salt for weeds
along fencelines. They said it will totally burn the ground where you put it
and nothing will grow again. Ive got some really bad weeds.....honeysuckle,
wildrose, etc. Ive used a bunch of different chemical type
weed killers but all they ever did was turn the leaves yellow for a little
while but never really KILLED the plant. Ive tried weedwacking, ripping them
out, etc. and they just come back in force, especially the
honeysuckle which will totally engulf everything in seconds.....ok, maybe
not "seconds" but pretty darn fast!!

I remember someone saying it was an ice melting salt but that should any of
the animals lick at it or anything it wont kill them. I dont remember what
kind they said though....halite? solar salt like for water softeners?

Does anyone remember that conversation?

thanks


Salts dissociate into ions as they dissolve. For melting ice, the more
ions the better. Rock salt releases one sodium ion (Na+) to one
chloride ion (Cl-) Calcium chloride releases one calcium ion (Ca+)
for two chloride ions. So calcium and magnesium are a bigger risk to
plants than potassium and sodium chlorides because of those numerous
chloride ions. Ions such as calcium, magnesium, sulfate, ammonium,
and potassium are helpful to plants in moderation, excess is damaging.
Three common ice melting ingredients can chemically attack concrete:
ammonium sulfate, magnesium chloride and calcium chloride.
If you want to kill plants you might want to choose either of those
last two salts - if there's no concrete around.

I keep thinking there's a more effective chemical alternative - but
it's not everyone wants to use 2,4-T - Agent Orange or the like....

Brian Whatcott Altus OK
.

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