Difference between revisions of "PH"
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Soil pH is a measure for how many H<sup>+</sup> ions a soil contains. | Soil pH is a measure for how many H<sup>+</sup> ions a soil contains. | ||
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| + | pH is defined as the negative logarithm (base 10) of the activity of hydrogen ions (H<sup>+</sup>) in solution. It ranges from 0 to 14, with 7 being neutral. A pH below 7 is acidic and above 7 is basic. | ||
Revision as of 06:32, 15 January 2012
Topic in Gardening courses
Soil pH is a measure for how many H+ ions a soil contains.
pH is defined as the negative logarithm (base 10) of the activity of hydrogen ions (H+) in solution. It ranges from 0 to 14, with 7 being neutral. A pH below 7 is acidic and above 7 is basic.
