Titlebook: Denitrification in the Nitrogen Cycle; Han L. Golterman Book 1985 Springer Science+Business Media New York 1985 biology.ecology.ecosystem.

煤渣

小臼

Denitrification in Freshwaters summarized by Stewart (1982). High nitrate concentrations in drinking water have also been reported in eastern Europe where the levels in soue rural wells were 180 times greater than the permissible 11.3 mg 1. of NO.-N (Munjko et al., 1982).

不自然

悶熱

Microbiology of Denitrification and Other Processes Involving the Reduction of Oxygenated Nitrogenou by two other phenomena, namely fermentation and anaerobic respiration. In fermentation the transfer of electrons is associated with energy metabolism and occurs by means of internal redox reactions involving organic molecules and substrate-level phosphorylations. The Krebs cycle does not operate an

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facilitate

Genetics of Denitrification in , and ,onal. Studies on this organism have identified and located a number of genes encoding the enzymes that mediate nitrate reduction including the assimilatory and dissimilatory nitrate and nitrite reductases. All of these are chromosomically located and none is contiguous with another. These studies al

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ODIUM

Influence of pH and Partial Oxygen Pressure on the N2O-N to N2 Ratio of Denitrificationncreasing the oxygen tension of the system concerned. The former observation has been ascribed to the relative sensitivity of N.O-reductase to an increased proton activity, whereas the latter suggests that O. becomes increasingly a competitive electron acceptor to nitrate resulting in an incomplete

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遺產(chǎn)

Preliminary Field Denitrification Studies of Nitrate-Fertilized and Nitrogen-Fixing Cropsmeadow fescue grass ley (200 kg N ha.) and lucerne. The acetylene inhibition method was also used in studies of denitrification potential..Denitrification rates, elevated over a baseline rate, were obtained when the soil was wetted by rain. This was noted especially in the fertilized crops. Higher r