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    Question ID:   4929         Current Version: 2
Question: Are there any tips for testing soil pH?
Category: Home & Garden > Lawn & Garden
Keywords: measure, tips, test, pH, soil
Type: other
Rating:(0 ratings)    Views: 469    Discussions: 0   In Watch Lists: 3  

 
    Answer:

A variety of kits and devices are available to determine the soil pH in the field. The methods include:

Soil pH can change during the year. It depends on temperature and moisture conditions, and can vary to as much as a whole pH unit during the growing season. Since pH is a measure of the hydrogen ion activity [H+], many different chemical reactions can affect it. Temperature changes the chemical activity, so most measurements of pH include a temperature correction to a standard temperature of 25 degrees C (77 F). The soil pH generally is recorded as a range in values for the soil depth selected.

Source: USDA

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