ibps-so 2018 · Question 50 of 356
ESP (Exchangeable Sodium Percentage) is a measure of the sodium content relative to other cations in the soil. It is expressed as a percentage. Saline-alkaline soils, which are often associated with high levels of sodium, may have an ESP greater than 15.
Source: IBPS SO AFO Mains Memory Based 2018 - CareerPower · memory-based
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