Multiple choice general knowledge science & technology

Farmers can keep their soil fertile by

  1. Irrigation

  2. Repeatedly growing the same crop

  3. Crop Rotation

  4. Regular Tilling

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Crop rotation alternates different crops seasonally to replenish soil nutrients and prevent depletion. Repeatedly growing the same crop drains specific nutrients from soil. While irrigation and tilling support plant growth, they don't maintain fertility like rotation does.