The potential cation exchange capacity of the soil up to 100 cm profile depth represents the amount of interchangeable bound cations at the sorption complex at pH 8.2. Classification is carried out in accordance with KA5, p. 362, Table 85.
Classification:
very low < 4 cmol/kg,
low 4 to < 8 cmol/kg,
mean 8 to < 12 cmol/kg,
height 12 to < 20 cmol/kg,
very high 20 to < 30 cmol/kg,
extremely high = 30 cmol/kg.
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