Nitrogen Fixation by Bacteria in the Root Zone of Rice1
- T. Yoshida and
- Rosabel R. Ancajas2
Atmospheric nitrogen is fixed in the root zone of rice plants (Oryza sativa L.). Acetylene-ethylene assay showed that bacteria, rather than the root tissues, do the fixation. Although the root tissues produce a trace of ethylene, they cannot reduce acetylene to ethylene. The apparent Km (Michaelis constant) of acetylene was much higher than values from known nitrogenfixing bacteria.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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