What is a primary benefit of rotating crops in soil management?

Rotating crops in soil management is primarily beneficial because it improves soil fertility and structure. Each type of crop has differing nutrient requirements and root structures, which can enhance soil health. When crops are rotated, the soil can recover and replenish nutrients that particular plants may deplete. For instance, legumes can fix nitrogen in the soil, providing a natural source of fertilizer for subsequent crops. This practice can also promote better soil structure by improving aeration and reducing erosion risk, as varying root systems can help bind the soil together more effectively.

In contrast, increasing soil compaction can lead to negative effects on root growth and water infiltration, which rotating crops aims to alleviate rather than exacerbate. While crop rotation can contribute to building up pest resistance and decreasing crop yield variability, these benefits are secondary to the immediate improvements in soil fertility and structure that occur as a result of varied planting.