This research examines how different types of fungal partners of plants affect soil health and function. Scientists propose a new framework called mycorrhizal fungal environments (MyFE) to better understand how these underground fungi influence carbon storage, nutrient cycling, and overall soil properties. They introduced a large-scale experiment called Mycotron to study three main types of mycorrhizal fungi and their distinct impacts on soil processes, which could help us better manage soils in response to climate change.