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Calcium and pH Get the Spotlight in Farm Journal

Earlier this month, Farm Journal posted a good article online.  There are a couple of things we need to help them out on.

The liming process revolves around calcium, as Farm Journal Field Agronomist Ken Ferrie has explained at several sessions of Farm Journal Corn College.

Actually it is the carbonate that changes pH. Calcium merely takes hydrogen’s place on the soil colloid.

"Calcium deficiency in plants is rare," Ferrie says. "It’s calcium’s role in the soil, in regulating acidity, or pH, that farmers need to be concerned with."

Yes calcium deficiency is rare; however, pH is the measurement of hydrogen (this is where pH comes from, Potential Hydrogen). Calcium has little to do with pH regulation.

This is one of the best most concise explanations of what calcium does for the soil;

“In the soil, calcium holds the key to healthy structure, Ferrie continues. That’s because a calcium ion has two valence electrons, or positive charges. Such an ion is called a cation (pronounced "cat-ion").

Additional Info

  • Article Reference:: Calcium Products, Inc.
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