diazotroph

(redirected from Nitrogen fixing bacteria)

diazotroph

[dī′az·ə‚träf]
(microbiology)
An organism that carries out nitrogen fixation; examples are Clostridium and Azotobacter.
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References in periodicals archive ?
The Director General (DG) Pakistan Council of Scientific and Industrial Research (PCSIR) Lahore, briefed about Environmental Friendly Bio-fertilizer, a fertilizers helpful in the soil fertility through nitrogen fixing Bacteria and said that it would decrease upto one fourth of the use of urea per acre.
An example of this would be nitrogen fixing bacteria and legumes.
Influence of nitrogen fixing bacteria incorporation with organic and/or inorganic nitrogen fertilizers on growth, flower yield and chemical composition of Celosia argentea.
However, only a very small number of plants, most notably legumes (such as peas, beans and lentils) have the ability to fix nitrogen from the atmosphere with the help of nitrogen fixing bacteria.
They harm the nitrogen fixing bacteria and eventually the environmental balance [4].
Azotobacter is important genera of nitrogen fixing bacteria.
Finally, we investigated the diversity of putative nitrogen fixing bacteria within the oral flora.
Some other areas discussed include the role of growth-promoting rhizobacteria and symbiotic nitrogen fixing bacteria in the improvement of plant health in metal contaminated soils, and pesticides affecting both microbial communities of soils and certain agronomic crops.
Thus, the predominant populations of nitrogen fixing bacteria from this collection were phylogenetically assigned to the species R.
Andrews M, James EK, Cummings SP, Zavalin AA, Vinogradova LV, McKenzie BA (2003) Use of nitrogen fixing bacteria inoculants as a substitute for nitrogen fertiliser for dryland graminaceous crops: progress made, mechanisms of action and future potential.
Azotobacter and azospirillum are free living (non-symbiosis), nitrogen fixing bacteria which live in rhizosphere and improve plant growth and yield under proper condition.
Kanungo PK, Ramakrishnan 13, Rao VR (1997) Placement effects of organic sources on nitrogenase activity and nitrogen fixing bacteria in flooded rice soils.