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Definition of pH

Categorized under "General"

Definition as written by Plant_Geek:

1. A symbol of hydrogen ion concentration indicating the degree of acidty or alkalinity.

2. The measure of the relative proportion of hydrogen (acid) to hydroxide (alkaline) ions.

Definition as written by dadofcpm:

pH is a term used for the presence/absence of Hydrogen ions in soil as determined on a power scale. This in turn will determin the acidic/alkaline state of the soil medium.

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