The cation exchange capacity of humus increases if pH increases.

Name: The cation exchange capacity of humus increases if pH increases.
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Question

Quizplus · Accepted Answer

The cation exchange capacity (CEC) of humus increases with increasing pH because at higher pH values, the negative charge on the humus particles decreases, making it easier for positively charged ions (such as Ca2+, Mg2+, K+, and Na+) to bind to the humus. This results in a higher CEC.

The Cation Exchange Capacity of Humus Increases If PH Increases