Soil pH is the measurement of the acidity or alkalinity of garden soil. The pH in soil is typically measured on a scale of 1-14, with seven considered neutral. Anything below this is considered acidic, or sour, soil while anything above neutral is considered alkaline, or sweet, soil. Soil kits can be used to test pH levels in the soil and are available at most home garden centers. Oftentimes, local county extension agents will also provide pH testing when needed. Average pH of soil is between pH 4.0 and 8.5.


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