Unformatted text preview: - active in many soil environments . N fixation: N fixation: Rhizobia Gram-negative bacilli, fix N only in nodules in legumes Azotobacter Free living soil bacteria, can fix nitrogen by themselves Nodules on Soy Roots Nodules on Soy Roots...
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This note was uploaded on 07/23/2011 for the course NRES 201 taught by Professor Olson,k during the Spring '08 term at University of Illinois, Urbana Champaign.
- Spring '08