What is the mutualistic association between roots and fungi called?

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Mycorrhizae is the mutualistic association between plant roots and fungi. The fungi help the plant by increasing nutrient uptake, while the plant provides the fungi with carbohydrates. Nitrogen fixation is the process of converting atmospheric nitrogen into a form usable by plants and is not specific to roots and fungi. Rhizobium infection refers specifically to the association between nitrogen-fixing bacteria and legume roots. Parasitism is a negative association between two organisms, where one benefits at the expense of the other. Root hair enhancement is not a term commonly used in describing plant-fungi associations.

What Is the Mutualistic Association Between Roots and Fungi Called