Re: Question on PPM (Parts Per Million)
- Subject: Re: Question on PPM (Parts Per Million)
- From: v* <a*@yahoo.com>
- Date: Tue, 10 Feb 2004 15:45:41 -0800 (PST)
- List-archive: <http://www.hort.net/lists/pumpkins/> (Web Archive)
How deep are you talking for the two million pounds of soil?
Top 6"?? Top 8"?? This would make a difference.
I always use 40lbs/acre = 1 pound/1000 square feet. So you can
take a lbs/acre recommendation and figure out what your patch
needs by dividing the lbs/acre recommendation by 40 and
multipling the result by the how many thousand square feet your
patch size is. So if the recommendation is 800 lbs per acre
and your patch size is 2,500 square feet it would compute to
800/40x2.5 which equals 50 lbs on your 2,500 square foot patch.
Good luck
vince
--- Bob Attaway <attaboy@bellsouth.net> wrote:
> At our recent South Eastern Growers meeting I was told that
> an acre is
> considered to be 2 million pounds of soil.
>
> I am working on determining PPM, but the Soil test by my
> local
> University states everything in pounds of amendment per acre.
> If what I understand is true, I would just divide pounds of
> amendment per acre
> by 2 to obtain PPM.
>
> Is this true?
>
> I am terrible at math.
>
> Thanks in advance:
> Bob Attaway
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