It allows chemicals to kill more pests. It creates crops that are pest-resistant. It interrupts the life cycles of pests. It allows pests to overpopulate.
I gave my students this multiple choice question: From year to year, farmers rotate different crops in the fields to improve soil nutrients. Why is crop rotation also an effective pest management method?

Only one answer is correct among these 4 choices:
- It allows chemicals to kill more pests.
- It creates crops that are pest-resistant.
- It interrupts the life cycles of pests.
- It allows pests to overpopulate.

Could you tell me which one is correct?

It interrupts the life cycles of pests.