Final answer:
Soil-dwelling microorganisms such as mycorrhizal fungi and rhizobacteria are essential for promoting plant health and enhancing soil fertility.
Explanation:
Soil-dwelling microorganisms play a crucial role in soil health by aiding in nutrient cycling, promoting plant growth, and enhancing soil structure. For example, mycorrhizal fungi form symbiotic relationships with plant roots, increasing nutrient uptake efficiency and overall plant health. Additionally, rhizobacteria fix nitrogen, making it available to plants, thus contributing to soil fertility.
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