1932 Kerr,Colorimetric method for determining the hydrogen ion concentration of soils.pdf
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Date
1932
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Abstract
This study describes a colorimetric method for determining the hydrogen ion concentration of soils using Brom-Cresol-Green solution. The method involves mixing soil samples with the solution and performing comparisons with standards to assess soil acidity. The approach provides a practical field determination of soil pH without the need for portable equipment, offering a reliable assessment of soil characteristics.
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Fertilization and Soil Health :: Soil Testing