What are the two mechanisms by which anions are held by soil minerals
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Anion exchange capacity (AEC) represents the positive charge available to attract anions in solution. In most soils CEC > AEC. ... Influence of soil solution pH on CEC and AEC. Permanent charge is due to isomorphic substitution and pH-dependent charge is due to broken edges of clay minerals and OM surface.
Anion exchange capacity (AEC) represents the positive charge available to attract anions in solution. In most soils CEC > AEC. ... Influence of soil solution pH on CEC and AEC. Permanent charge is due to isomorphic substitution and pH-dependent charge is due to broken edges of clay minerals and OM surface.Explanation:
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