What benefit does crop rotation provide for soil quality?

• A. It promotes pest and disease cycles
• B. It disrupts pest cycles and improves nutrient balance
• C. It decreases soil fertility
• D. It ensures a uniform crop yield

Answer: (B)

Crop rotation significantly enhances soil quality primarily by disrupting pest cycles and improving nutrient balance. When different crops are planted in succession, it prevents the establishment of specific pests and diseases that thrive on particular plants. This rotation interrupts their life cycles, reducing the likelihood of infestations and contributing to a healthier crop yield.

Additionally, different crops have varying nutrient needs. For instance, legumes can fix nitrogen into the soil, benefiting subsequent crops that require higher nitrogen levels. Thus, rotating crops not only addresses pest management but also enriches the soil by diversifying the nutrients available. This combination of pest control and nutrient management is pivotal for sustainable agriculture and helps maintain the long-term health of the soil.