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Definition of Nitrogen cycle
1. Noun. 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.
Definition of Nitrogen cycle
1. Noun. The natural circulation of nitrogen, in which atmospheric nitrogen is converted to nitrogen oxides by lightning and deposited in the soil by rain where it is assimilated by plants and either eaten by animals (and returned as faeces) or decomposed back to elemental nitrogen by bacteria. ¹
¹ Source: wiktionary.com
Medical Definition of Nitrogen cycle
1.
Lexicographical Neighbors of Nitrogen Cycle
Literary usage of Nitrogen cycle
Below you will find example usage of this term as found in modern and/or classical literature:
1. Foundations of Biology by Lorande Loss Woodruff (1922)
"The nitrogen cycle. A schematic representation of the circulation of nitrogen in
nature. the nitrogen from the atmosphere and return it to the cycle of ..."
2. A Text-book of General Bacteriology by Edwin Oakes Jordan (1921)
"CHAPTER XXXIV BACTERIA AND THE nitrogen cycle The fact that the chemical element
nitrogen enters into the cor* position of all living things raises a number ..."
3. Agricultural Bacteriology by Joseph Eames Greaves (1922)
"The nitrogen cycle.—Since nitrogen occurs as an essential part of the structure
of every plant and animal, it is found in all crops and crop residues. ..."
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