permaculture

["Robert Waldrop" <bwaldrop@cox.net>]

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@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
> ______________________________