[permaculture] sheet mulch beds for CSA production?
Robert Waldrop
bwaldrop at cox.net
Thu Apr 6 17:21:34 EDT 2006
Regarding granite, be sure to ask them what kind
of solvents they are using in their granite
process. I contacted Oklahoma granite quarries
and they all said their dust would not be suitable
for garden use because of the solvents and
chemicals they use.
BOb Waldrop, Oklahoma City
----- Original Message -----
From: "kevin s" <k.skvorak at verizon.net>
> as far as rock dust goes, does anyone have any
> suggestions for
> discovering the mineral content of any
> particular source?
>
> our local quarry is crushing 'blue granite' and
> will load the dust
> from the slurry pond at 4 dollars a ton
>
> we recently got the soil test back from our
> local extension office,
> and we seem to be in pretty good shape with our
> existing soil. there
> are already good levels all around of P, K, Mg,
> and Ca.
>
> all the extension office recommends adding is
> 120 to 140lbs per ac
> of nitrogen, (we'll get from compost and manure)
> and 20 lbs per acre
> of P205 phosphate (whatever that is)
>
> i think we'll be pretty good
>
> i'm googling "blue granite" right now but not
> coming up with much useful yet
>
> regards,
> kevin
> ______________________________
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