What do you mean by soil acidity? What is the most favourable pH range for the growth of plants?
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Answer:Extremely and strongly acid soils (pH 4.0-5.0) can have high concentrations of soluble aluminum, iron and manganese which may be toxic to the growth of some plants. A pH range of approximately 6 to 7 promotes the most ready availability of plant nutrients.
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Soil pH or soil reaction is an indication of the acidity or alkanility of soil and is measured in pH units the pH scale goes from 0 to 14 with pH 7 as neutral point as the amount of hydrogen ions in the soil increases the soil pH decreases thus becoming more acidic
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