RelativeResourceManager.page03 - - active in many soil...

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NRES 201 Intro Soil Science Lec. 25-26 Soil Organisms Ch. 10 3/4/2007 3 Soil organisms include: Soil organisms include: Bacteria - small, motile, diverse - broad range of enzymatic capabilities - oxidation and reduction of elements in soil - N-fixation
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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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