Cation Exchange Capacity vs. Anion Exchange Capacity: Understanding the Key Differences
Cation Exchange Capacity (CEC) measures a soil’s ability to hold and exchange positively charged ions (cations), while Anion Exchange Capacity (AEC) refers to the retention and exchange of negatively charged ions (anions). Both are crucial for soil fertility and plant nutrition. People often confuse CEC and AEC because they sound similar and both relate to…