Question:
Exchangeable sodium percentage (ESP) of an alkali soil is
Exchangeable sodium percentage (ESP) of an alkali soil is
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Alkali or sodic soils generally have ESP greater than \(15\).
Updated On: May 7, 2026
- \(10\)
- \(12\)
- \(14\)
- \(>15\)
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The Correct Option is D
Solution and Explanation
Concept:
Exchangeable sodium percentage is an important property used to identify sodic or alkali soils.
Step 1: Alkali soils contain high exchangeable sodium on the soil exchange complex.
Step 2: High sodium causes poor soil structure, poor infiltration, and poor aeration.
Step 3: A soil is generally considered alkali or sodic when ESP is greater than \(15\).
Step 4: Therefore, the ESP of an alkali soil is: \[ >15 \] \[ \boxed{>15} \]
Exchangeable sodium percentage is an important property used to identify sodic or alkali soils.
Step 1: Alkali soils contain high exchangeable sodium on the soil exchange complex.
Step 2: High sodium causes poor soil structure, poor infiltration, and poor aeration.
Step 3: A soil is generally considered alkali or sodic when ESP is greater than \(15\).
Step 4: Therefore, the ESP of an alkali soil is: \[ >15 \] \[ \boxed{>15} \]
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