Moderate
A soil is classified as sodic soil when______________________?
Correct answer: B. SAR is >13
- A. EC is 8.5
- B. SAR is >13
- C. All the above
Explanation
A sodic soil is identified by excessive exchangeable sodium, commonly represented by SAR above 13 or ESP above 15. EC measures salinity, so an EC value alone does not define sodicity.
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