Do soil pH and EC are directly or inversely proportional?

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Paul Milham

There is no direct relation. However, for an acidic soil of low EC, adding a salt such as KCl is generally expected to decrease the pH that is measured in water. The reasons are complex and are well-documented

Debabrata Nath

Thank you so much @ Paul Milham

Abdelrazek Elnashar

Generally, it is not clear however a good range for electrical conductivity could be found in acid soils, for example, Article Relationship between Soil Apparent Electrical Conductivity a...