North American Fruit Explorers mailing list at ibiblio

["loneroc" <loneroc@mwt.net>]

Hi Jim,

Maybe I'm thick but your chart is a bit confusing.  What goes with what?

Steve H.

----- Original Message ----- 
From: "Jim Fruth" <jfruth@uslink.net>
To: "NAFEX" <nafex@lists.ibiblio.org>
Sent: Friday, October 13, 2006 8:33 AM
Subject: [NAFEX] Acidifying Soil


>
>
> To Lower pH by                   Ground Sulfur (Pints/100 Sq. Ft.)
> Pounds/Acre
>   This Amount           Sand
> Loam                Sand                               Loam
>
____________________________________________________________________________
______
>
>           0.5                     2/3
> 2                     360                               1,100
>           1.0                   1-1/3
> 4                     725                                2,200
>           1.5                      2
> 5-1/2               1,000                               3,000
>           2.0                   2-1/2
> 8                   1,350                               4,400
>           2.5                      3
> 10                  1,650                               5,400
>
> Soil pH changes are brought about by bacterial action.  Bacteria need a
> minimum of 3% organic matter (humus)
> to do their work best.  Testing your pH can be done by a soils lab but if
> you use your own pH meter, the soil
> must be thoroughly saturated with distilled water before taking a reading.
> Once your soil is properly acidified,
> maintain acidity with Ammonium Sulfate.  For best results, soil should be
> acidified at least one season before
> planting because acidification is a slow process.  Though it acidifies
much
> faster than Elemental Sulfur,
> Aluminum Sulfate is not recommended for use.  (There is a similar chart
for
> elevating pH in soil.)
>
> Jim Fruth
> Brambleberry Farm
> Pequot Lakes, MN  56472
> www.bberryfarm.com
> (218)568-8483 [Store]
> (218)831-7018 [My Cell]
>
> Does anyone else have any experience trying to move the soil
> from a 7.4-7.0 down to 4.5-5.0?
>
> Mark Angermayer
> Zone 5 Kansas
>
>
>
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