Why is cation-exchange capacity (CEC) an important soil characteristic?

Select one:

A.

CEC is an indirect way to measure soil pH; it indicates whether the soil is neutral, alkaline, or acidic.

B.

CEC is used to infer soil texture without having to use a soil texture triangle.

C.

CEC is an indication of the soil permeability; the lower the CEC the higher the permeability.

D.

CEC is a measure of soil fertility; the higher the CEC the higher the soil fertility.