What is a key benefit of shade grown coffee for the environment?

Shade-grown coffee provides a significant environmental benefit by promoting biodiversity and reducing soil erosion. Coffee is typically grown in monoculture systems that can lead to a decrease in various plant and animal species due to habitat destruction. However, when coffee is grown under the canopy of trees in a shaded environment, it creates a more diverse ecosystem. This setup supports various species of birds, insects, and plants, thereby promoting ecological balance.

Additionally, the tree cover from shade-grown coffee helps to anchor the soil, reducing the risk of erosion. Trees and other vegetation play a crucial role in maintaining soil structure and health, thereby further enhancing the land's capacity to store water and nutrients. This holistic approach not only benefits the coffee plants themselves but also contributes positively to the surrounding environment and agricultural sustainability.

The other options, while relevant to coffee production, do not capture the unique and significant environmental benefits associated with shade-grown coffee in terms of ecosystems and soil integrity.