| nitrogen cycle |
the circulation of nitrogen; nitrates from the soil are absorbed by plants which are eaten by animals that die and decay returning the nitrogen back to the soil
출처: wordnet.princeton.edu/perl/webwn
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| nitrogen cycle |
the steps by which nitrogen is extracted from the nitrates of soil and water, incorporated as amino acids and proteins in living organisms, and ultimately reconverted to nitrates: (1) conversion of nitrogen to nitrates by bacteria; (2) the extraction of the nitrates by plants and the building of amino acids and proteins by addition of an amino group to the carbon compounds produced in photosynthesis; (3) the ingestion of plants by animals; and (4) the return of nitrogen to the soil in animal ...
출처: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| nitrogen cycle |
A continuous series of natural processes by which nitrogen successively passes through air, soil, and organisms involving principally organism decay, nitrogen fixation, nitrification, and denitrification. See nitrogen-fixing plants.
출처: amsglossary.allenpress.com/glossary/browse
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| nitrogen cycle |
(see Nitrification cycle)
출처: members.aol.com/sierram/sierram3.htm
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| nitrogen cycle |
The transformation of nitrogen from an atmospheric gas to organic compounds in the soil, then to compounds in plants and eventually the release of nitrogen gas back into the atmosphere.
출처: www.boldweb.com/greenweb/glossary.htm
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