The highest Cation Exchange Capacity is in:_________?
Correct answer: D. Clay soil
- A. Sandy Soil
- B. Both A & CFind Geological Maps
- C. Gravely soil
- D. Clay soil
Explanation
Clay soil has the highest cation exchange capacity because its fine particles have a large surface area and many negatively charged exchange sites. Sandy and gravelly soils have little surface area and therefore a low CEC.
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