According to WAPDA, the ECe of the salt free soil should remain__________________?
Correct answer: A. < 4 dsm-1
- A. < 4 dsm-1
- B. Equal to 4 dsm-1
- C. 4-8 dsm-1
- D. None of the above
Explanation
A salt-free or nonsaline soil generally has saturated paste electrical conductivity below 4 dS m⁻¹. An ECe of 4 dS m⁻¹ or more is conventionally used as the threshold for saline soil.
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