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High P, Low K soil tests...
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JDPlowboy
Posted 2/25/2016 06:59 (#5135928 - in reply to #5135366)
Subject: RE: High P, Low K soil tests...


sw MN
NE Ridger - 2/24/2016 21:08

cyclones30 - 2/24/2016 20:34

With the BS situation, you'd think getting some Ca in there is good but I'd rather not see the pH go any higher. 



My experience is that calcitic lime won't raise the pH on ground with those base levels. Don't go crazy with the amounts, 1-2 tons is enough to start with and watch it for a few years. You've got to have some internal drainage, and I've always had sulfur in the fertility program, but I've put a lot of lime out on ground like that with pH 6.5-6.8 and never budged the pH.



+100. Lime will not raise that pH.
Lime + sulfur will lower that mag.
Mag affects the ph 1.4 x
Cal affects the pH 1 x
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