EC of saline soil is equal to or greater than________________?
Correct answer: D. 4
- A. 2
- B. 3
- C. non of these
- D. 4
Explanation
Under the conventional classification, saline soil has an electrical conductivity of the saturation extract of at least 4 dS/m at 25°C. Lower EC values generally indicate non-saline soil, subject to the full classification criteria.
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