nitrogen cycle

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  • noun

Words related to nitrogen cycle

the circulation of nitrogen

References in periodicals archive ?
Functional gene pyrosequencing and network analysis: an approach to examine the response of denitrifying bacteria to increased nitrogen supply in salt marsh sediments.
Hallin, "Reassessing PCR primers targeting nirS, nirK and nosZ genes for community surveys of denitrifying bacteria with DGGE," FEMS Microbiology Ecology, vol.
The denitrifying bacteria in this long-traveled water, however, are unable to produce similar amounts of nitrogen due to a lack of nutrients in the region.
The 0.01 mg/L sulfamethazine and 1.0 mg/L chlortetracycline showed the most significant effect of inhibiting the activity of denitrifying bacteria in groundwater, as indicated by the high final/initial nitrate ratios of 0.059 and 0.096, respectively, versus a ratio of 0.002 in the control.
By the 1880s, other chemists and biologists had worked out the basics of the nitrogen cycle, complete with roles for legumes and nitrogen-fixing, nitrifying, and denitrifying bacteria (Leigh 2004).
Complete conversion of nitrate into dinitrogen gas in co-cultures of denitrifying bacteria. Biochem.
The denitrifying bacteria varied from 10.33-32.00 (x[10.sup.5]cfu/g soil) in different locations through out the season (Fig.
Comparing the number of microorganisms in the row with the inter-row, a reduction of 8-32% was found in the inter-row, but this reduction was significant only for the counts of the total and denitrifying bacteria (Fig.
But still another group of microorganisms, the denitrifying bacteria reduces nitrates all the way to molecular nitrogen.
The team obtained denitrifying bacteria from soil samples collected at a nearby overland flow treatment site and cultured them in the lab.
Philippot L, Hallin S (2005) Finding the missing link between diversity and activity using denitrifying bacteria as a model functional community.
Conventional technologies, such as activated sludge, rely on bacteria with fast-growth life strategies in which nitrifying and denitrifying bacteria grow suspended in the water column.
Not only had the hydrocarbon contamination decreased, but there was a change in the microbial community composition, with more denitrifying bacteria present.
The incoming wastewater provides a carbon source for denitrifying bacteria that reduce nitrate and nitrite in nitrified mixed liquor.
Initial reactions in the anaerobic oxidation of toluene and m xylene by denitrifying bacteria. Appl Environ Microbiol 60:4047-4052.