What traditional method is commonly used to improve soil fertility?

The practice of crop rotation is a well-established traditional method used to enhance soil fertility. This technique involves alternating the types of crops planted in a specific area over different growing seasons. The primary benefit of crop rotation lies in its ability to replenish soil nutrients that may be depleted by a single crop. Different crops have varying nutrient requirements and contribute different organic matter to the soil. For instance, legumes like clover or peas can fix nitrogen in the soil, enriching it for subsequent crops that require higher nitrogen levels.

By diversifying the planting schedule, farmers can also disrupt pest and disease cycles, reduce weed pressure, and improve overall soil structure. This not only leads to healthier crops but also promotes sustainable agricultural practices by minimizing the need for chemical fertilizers.

While other methods like no-till farming, which helps reduce soil erosion and improve moisture retention, and irrigation, which ensures adequate water supply, also contribute to agricultural productivity, crop rotation specifically targets soil fertility enhancement through strategic planting choices. Overgrazing, on the other hand, typically leads to soil degradation and nutrient loss, making it counterproductive for improving soil health.