What technique helps improve soil aeration around plant roots?

Aeration is a technique specifically designed to improve soil aeration around plant roots. This process involves creating small holes in the soil to allow air, water, and nutrients to penetrate deeper into the root zone. When soil becomes compacted, it restricts the movement of air and water, making it difficult for roots to access the essential elements they need for growth. Aeration alleviates this issue by increasing airflow, which enhances root development and promotes healthier plants.

Other methods, such as mulching, often retain moisture and modify temperature but do not significantly contribute to soil aeration. Compaction, on the other hand, worsens soil aeration by compressing soil particles closer together, thus limiting space for air movement. Watering, while essential for plant health, does not directly address soil compaction or improve aeration in the same way that aeration does. Therefore, aeration stands out as the most effective technique for enhancing soil aeration around plant roots.