| http://www.w3.org/ns/prov#value | - Reply Mark says: January 30, 2014 at 8:52 pm I don???t much care for this article/rant it seems as though he doesn???t know much about plant minerals and how they interact in soil. (Al) is not a plant nutrient and potassium is the most mobile plant nutrient so adding it to raise your pH will cause you a lot pain in your bank account if you keep adding it to your soil.
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