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exchangeable sodium percentage

Owned by Dennis Daggett (Deactivated)
2018-02-17

The fraction of the cation exchange capacity of a soil occupied by sodium ions determined as: exchangeable sodium (meq/100 gram soil) divided by CEC (meq/100 gram soil) times 100. It is unreliable in soil containing soluble sodium silicate minerals or large amounts of sodium chloride.

Authorization Path: 2.4.5.2.20.15

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