Answer
Soil bacteria help plant nutrition by helping to compose a healthy rhizosphere around the roots as well as by fixing nitrogen and sharing it with plants (some bacteria, especially Rhizobium). Fungi provide extra surface area for absorption of mineral nutrients and share them with plants via mycorrhizae.
Work Step by Step
Review Concept 37.3 and make a list of ways that the named microorganisms share nutrients with plants or help roots function better in obtaining nutrients.
