Environment & Ecology · Environment
Classification of saline soils depends on Electrical Conductivity (EC) and Sodium Adsorption Ratio (SAR) criteria:
- 1EC = More than 4 dS/m; SAR = More than 13
- 2EC = Less than 4 dS/m; SAR = More than 13
- 3EC = More than 4 dS/m; SAR = Less than 13✓
- 4EC = Less than 4 dS/m; SAR = Less than 13
Correct answer
EC = More than 4 dS/m; SAR = Less than 13
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