Roots and Nitrogen Fixing Bacteria
Where does nitrogen fixation occur on the root, the root hair,
epidermis? Do all plants have this capability, or only
some? A few examples would help.
Nitrogen fixation occurs within nodules of the roots of
leguminous plants (such as beans). Only plants with the nitrogen
fixing, symbiotic bacteria have this capability.
Anthony R. Brach,PhD
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Update: June 2012