fixed nitrogen
collocation in Englishmeaningsoffixedandnitrogen
These words are often used together. Click on the links below to explore the meanings. Or,see other collocations withnitrogen.
fixed
adjective
uk/fɪkst/us/fɪkst/
arranged or decided already and not able to ...
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nitrogen
noun[U]
uk/ˈnaɪ.trə.dʒən/us/ˈnaɪ.trə.dʒən/
a chemical element that is a gas with no colour or taste, forms most of the earth's atmosphere, and is a part of all ...
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(Definition offixedandnitrogenfrom theCambridge English Dictionary© Cambridge University Press)
Examplesoffixed nitrogen
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
However, a greater need forfixednitrogenwould have imposed constraints on the rate of cyanobacterial proliferation - constraints that other prokaryotes would not have experienced.
From theCambridge English Corpus
While this arrangement could provide cyanobacteria with a more reliable source offixednitrogen, it would not be cheap.
From theCambridge English Corpus
So,fixednitrogen, one of the essential requirements for life as we know it, would not be present.
From theCambridge English Corpus
But even with an ability to fix nitrogen, cyanobacteria could still have been limited by a scarcity in abiotic sources offixednitrogen.
From theCambridge English Corpus
However, the unique composition of the photosynthetic apparatus in cyanobacteria would appear to create a substantially greater need forfixednitrogenin several ways.
From theCambridge English Corpus
However, studies have shown that inorganic nitrogen fertilizers cannot substitute for biologicallyfixednitrogenadded directly to the soil via legumes.
From theCambridge English Corpus
While the relevance of lightning as a source offixednitrogenhas been largely studied, the contribution of coronae discharges still remains unelucidated.
From theCambridge English Corpus
In comparison to biologicallyfixednitrogen, plants tend to use such fertilizer nitrogen inefficiently, leaving excess nitrate ions to be leached into the watershed as nutrient pollution29,47.
From theCambridge English Corpus
Evidence is presented for why cyanobacteria probably have a greater need forfixednitrogenthan other prokaryotes, underscoring the importance of their ability to fix nitrogen.
From theCambridge English Corpus
Sulfate reducing bacteria probably use these substrates directly and may also use this energy source to fix nitrogen themselves - aiding the mat's overallfixednitrogenyield from this fermentation.
From theCambridge English Corpus
However,fixednitrogenmay circulate many times between organisms and the soil before denitrification returns it to the atmosphere.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
Fixednitrogensources are required for most organisms to synthesize proteins, nucleic acids and other cellular components.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
In addition to land runoff, atmospheric anthropogenicfixednitrogencan enter the open ocean.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
Heterocyst formation is inhibited in the presence of afixednitrogensource, such as ammonium or nitrate.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
Dissimilatory denitrification is the main route by which biologicallyfixednitrogenis returned to the atmosphere as molecular nitrogen gas.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
Heterocysts may also form under the appropriate environmental conditions (anoxic) whenfixednitrogenis scarce.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
The abundance or scarcity of thisfixednitrogen(also known as reactive nitrogen) frequently limits plant growth in both managed and wild environments.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
The relationship is symbiotic because the plant supplies the energy by photosynthesis and benefits by obtaining thefixednitrogen.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
Soft-rot fungi needfixednitrogenin order to synthesize enzymes, which they obtain either from the wood or from the environment.
From This example is from Wikipedia and may be reused under a CC BY-SA license.
Wikipedia
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
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