Which agroforestry practice involves planting trees or shrubs along the edges of fields to protect crops from wind and reduce erosion?

Paragraph for question 17 to 20 Agroforestry integrates trees with crops and/or animals to create sustainable agricultural systems, enhancing ecological and economic benefits. The three main types include agrisilvicultural systems, which combine trees with crops, a systems, integrating trees with pastures or animals, and b systems, which involve animals, trees, and crops together. These systems contribute to improved biodiversity, soil health, and resource efficiency, making them valuable for modern agricultural practices and environmental conservation.