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Old October 17, 2016   #20
ilex
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Join Date: Jul 2011
Location: Spain
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I don't think calcium is the most affected by high ph. I would think about iron first, for example. In fact, a lot of calcium will rise ph. A few elements can be the reason for a given number, so you need to know why you have that ph.

Too much sulfur can be a problem. That's something to keep always in mind when trying to lower ph, as that's always a short term "solution".

The best way to "fix" any soil is organic matter.
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