nitrogen cycle: References & Edit History
More Articles On This Topic
Assorted References
- atmospheric processes
- biosphere
- climate and life interaction
- nitrogen-fixing bacteria
- work of Boussingault
occurrences
- bacteria
- gymnosperms
- microorganisms
- nitrifying bacteria
- soil organisms
Article Contributors
Primary Contributors
Other Encyclopedia Britannica Contributors
Article History
Type | Description | Contributor | Date |
---|---|---|---|
Add new Web site: DigitalCommons at University of Nebraska - Lincoln - The Nitrogen Cycle, Historical Perspective, and Current and Potential Future Concerns (PDF). | Dec 17, 2024 | ||
Add new Web site: CellPress - Current Biology - The nitrogen cycle. | Jul 30, 2024 | ||
Add new Web site: UCAR Center for Science Education - The Changing Nitrogen Cycle. | Jun 17, 2024 | ||
Add new Web site: Academia - Nitrogen Cycle. | Jan 05, 2024 | ||
Add new Web site: University of California - California Institute for Water Resources - Principles of Nitrogen Cycling and Management. | Nov 07, 2023 | ||
Add new Web site: Nature - The Nitrogen Cycle: Processes, Players, and Human Impact. | Jul 05, 2023 | ||
Add new Web site: University of Missouri Extension - Nitrogen in the Environment: Nitrogen Cycle. | Mar 30, 2023 | ||
Add new Web site: National Center for Biotechnology Information - PubMed Central - The Nitrogen Cycle: A Large, Fast, and Mystifying Cycle. | Jan 05, 2023 | ||
Add new Web site: Biology LibreTexts - The Nitrogen Cycle. | Nov 09, 2022 | ||
Add new Web site: Biology LibreTexts - The Nitrogen Cycle. | Nov 09, 2022 | ||
Add new Web site: Khan Academy - The nitrogen cycle. | Jul 26, 2022 | ||
Added a photograph of a fava bean plant (Vicia faba). | May 27, 2020 | ||
Added chemical formulas for ammonia, ammonium, nitrite, and nitrate. | Dec 08, 2017 | ||
Add new Web site: Science Learning Hub - The terrestrial nitrogen cycle. | Aug 27, 2017 | ||
Add new Web site: University of Missouri Extension - Nitrogen in the Environment: Nitrogen Cycle. | Aug 27, 2017 | ||
Add new Web site: University Corporation for Atmospheric Research - Kids Crossing - The Nitrogen Cycle. | Dec 20, 2016 | ||
Add new Web site: The Environmental Literacy Council - Nitrogen Cycle. | Aug 17, 2016 | ||
Add new Web site: National Center for Biotechnology Information - PubMed Central - Global Nitrogen: Cycling out of Control. | Aug 17, 2016 | ||
Replaced video. | Oct 06, 2014 | ||
Add new Web site: Ohio State University - Nitrogen Cycle. | Dec 01, 2011 | ||
Add new Web site: BBC - Bitesize - Nitrogen Cycle. | Dec 01, 2011 | ||
Added video overview of the phosphorus and nitrogen cycles. | Feb 09, 2011 | ||
Add new Web site: Lenntech - Nitrogen Cycle. | Oct 20, 2010 | ||
Added new Web site: How Stuff Works - Science - Nitrogen Cycle. | Feb 06, 2009 | ||
Media added. | Oct 17, 2008 | ||
Added new Web site: Rader's Geography4Kids - The Nitogen Cycle. | Jan 06, 2008 | ||
Added new Web site: ThinkQuest - The Nitrogen Cycle. | Jan 06, 2008 | ||
Media added. | Oct 09, 2007 | ||
Added new Web site: PhysicalGeography.Net - The Nitrogen Cycle. | Jul 23, 2007 | ||
Added new Web site: Visionlearning.Com - The Nitrogen Cycle. | Jul 23, 2007 | ||
Article added to new online database. | Jul 20, 1998 |
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