How can I effectively manage a garden millipede infestation to protect my plants and maintain a healthy garden environment?

To effectively manage a garden millipede infestation, you can start by removing excess mulch and debris where they hide, and creating barriers like copper tape around plant beds. You can also introduce natural predators like ground beetles or use organic insecticides. Regularly inspecting and maintaining your garden will help prevent future infestations and maintain a healthy environment for your plants.