An Alkaline Soil Contains 20% Clay and 3% Humus

question 17

Multiple Choice

An alkaline soil contains 20% clay and 3% humus.If the pure clay has a CEC of 40 cmol_c/kg and the humus 200 cmol_c/kg,calculate the CEC/kg of the soil.

• A)8
• B)30
• C)12
• D)16
• E)14

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