discuss soil acidity and there effect on plant growth
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Soil acidity
Acid soils are defined as any soil that has a pH of less than 7.0 (neutral). Acidity is due to hydrogen (H+) ion concentrations in the soil. The higher the H+ concentration, the lower the pH.
It's effect
Soil pH influences nutrient availability. In strongly acid soils, potassium, calcium and magnesium are depleted due to leaching. Low levels of calcium and magnesium can also cause stock health problems such as milk fever and grass tetany. A lack of calcium can cause soil structural problems.
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