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Questions and Answers
What does Cation-exchange capacity (CEC) measure?
What does Cation-exchange capacity (CEC) measure?
- The capacity of soil to retain water
- The number of cations that can be retained on soil particle surfaces (correct)
- The capacity of soil to retain air
- The number of anions that can be retained on soil particle surfaces
What does a high Cation-exchange capacity (CEC) indicate about soil fertility?
What does a high Cation-exchange capacity (CEC) indicate about soil fertility?
- It indicates a high capacity for soil to retain nutrients in plant-available form (correct)
- It indicates a high capacity for soil to retain air
- It indicates a high capacity for soil to retain water
- It indicates a low capacity for soil to retain nutrients in plant-available form
How is Cation-exchange capacity (CEC) defined?
How is Cation-exchange capacity (CEC) defined?
- As the amount of water that can be retained per mass of soil
- As the amount of positive charge that can be exchanged per mass of soil (correct)
- As the amount of air that can be retained per mass of soil
- As the amount of negative charge that can be exchanged per mass of soil
