RE: Potassium
Bob,
Soil balance:
Potassium should be 3-7%.
Magnesium 12-18%.
Calcium 65-75%.
Sodium should be 0.5-1%
Carlos
----- Original Message -----
From: Bob Troy <rtroy@socal.rr.com>
To: <pumpkins@hort.net>
Sent: Saturday, April 05, 2003 8:36 AM
Subject: Re: Potassium
> Thanks for the reply,
>
> I have a very high pH also. This is a new patch with very sandy soil. I
> added 115 cubic yards of composted cow manure in 6500 sq. feet of patch.
> Took the soil test just after tilling the compost in so it might be off a
> little. Added Calcium and Gypsum after that.
> I've never been able to get a simple answer as to what a "balanced soil"
is?
> Mag is 372 ppm and the Calcium is 1232 ppm. but the percent cation
> saturation computed is Mag 14.0% and Calcium 28.1%.
> If I'm correct, I think the Calcium Mag. ratio should be about 4 to 1 with
> the Calcium being higher?
>
> Bob
>
> ----- Original Message -----
> From: "Carlos" <paskinel@telefonica.net>
> To: <pumpkins@hort.net>
> Sent: Friday, April 04, 2003 9:37 PM
> Subject: RE: Potassium
>
>
> > A high Potassium level in the soil is not bad at all, while it be
balanced
> > with high Calcium and Magnessium levels. If you have already added
gypsum,
> > consider the Mg level, and if it is under the Calcium balance charts,
> would
> > be good to add some. The form you added the Mg will depend on the pH of
> the
> > soil. If the pH is low, you can spread dolomite, but if it is high, you
> > rather use another form like Magnessium Sulfate.
> >
> > Here the biggest grapes and melons are got from high Potassium level
soils
> >
> > Carlos P.
> >
> >
> > ----- Original Message -----
> > From: Bob Troy <rtroy@socal.rr.com>
> > To: <pumpkins@hort.net>
> > Sent: Saturday, April 05, 2003 6:40 AM
> > Subject: Potassium
> >
> >
> > > Anybody have any ideas how to counter act or neutralize a high
Potassium
> > level
> > > in the soil?
> > > I added Gypsum and flooding the patch as much as possible but not sure
> if
> > it
> > > will leach out or not?
> > >
> > > Bob T.
> > >
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