Difference between revisions of "PH"
From eagle-rock.org
| Line 3: | Line 3: | ||
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. | ||
| − | 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. | + | 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.<ref>[http://en.wikipedia.org/wiki/Soil_pH Soil pH - Wikipedia]</ref> |
| + | |||
| + | |||
| + | |||
| + | |||
| + | == References== | ||
| + | <references /> | ||
Revision as of 06:34, 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.[1]
