Which of the following is an example of agroforestry?

Agroforestry is a land management practice that combines agriculture and forestry to create more sustainable and productive land-use systems. Integrating trees into crop and livestock farming systems exemplifies agroforestry because it emphasizes the complementary relationships between trees and agricultural crops or livestock. This integration can enhance biodiversity, improve soil health, and increase water retention.

By incorporating trees, farmers can benefit from additional products like timber, fruit, and nuts while also enhancing the overall ecosystem services of the farm. Trees provide shade for livestock, reduce soil erosion, and improve microclimates, which can lead to enhanced crop yields. The practice helps create a more resilient farming system that can adapt to environmental changes.

In contrast, options that describe practices such as planting single crop fields year after year, disregarding native plantings, and limiting agricultural diversity do not align with the principles of agroforestry. These practices often lead to environmental degradation, reduced biodiversity, and increased vulnerability to pests and diseases. Therefore, integrating trees into agricultural systems is a prime example of how agroforestry can contribute positively to sustainability in farming.