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Water -- Nitrogen content.   5
Water -- Nitrogen content -- Australia. : The influence of waterway management on water quality with particular reference to suspended solids, phosphorus and nitrogen / by Wayne D. Erskine and Michael J. Saynor  1996 1
Water -- Nitrogen content -- Australia -- Port Phillip Bay (Vic.) : Port Phillip Bay integrated model : nitrogen load scenarios / Alexander Murray and John Parslow  1998 1
Water -- Nitrogen content -- Australia -- Victoria.   2
Nitrogen cycle.   25
Nitrogen cycle -- Congresses. : The Cycling of carbon, nitrogen, sulfur and phosphorus in terrestrial and aquatic ecosystems / by I.E. Galbally, J.R. Freney  1982 1
Nitrogen cycle -- Environmental aspects   2
Nitrogen cycle -- Environmental aspects -- California : The California nitrogen assessment : challenges and solutions for people, agriculture, and the environment / edited by Thomas P. Tomich, Sonja B. Brodt, Randy A. Dahlgren, Kate M. Scow  2016 1
 

Nitrogen Cycles -- See Nitrogen Cycle


The circulation of nitrogen in nature, consisting of a cycle of biochemical reactions in which atmospheric nitrogen is compounded, dissolved in rain, and deposited in the soil, where it is assimilated and metabolized by animals, plants, bacteria, and fungi, eventually returning to the atmosphere by bacterial decomposition of organic matter 		  1
 

Nitrogen dioxide -- See Also the narrower term Atmospheric nitrogen dioxide


  1
Nitrogen dioxide. : Daily watch. Air pollution in Oxford Street highest in Europe  2016 1
Nitrogen dioxide -- Environmental aspects. : State of the air : national ambient air quality status and trends report 1991-2001 / Department of the Environment and Heritage and the Bureau of Meteorology  2004 1
Nitrogen dioxide -- Environmental aspects -- Australia. : State of the air : national ambient air quality status and trends report 1991-2001 / Department of the Environment and Heritage and the Bureau of Meteorology  2004 1
Nitrogen Dioxide -- toxicity : Assessment of exposure-response functions for rocket-emission toxicants / Subcommittee on Rocket-Emission Toxicants, Committee on Toxicology, Board on Environmental Studies and Toxicology, Commission on Life Sciences, National Research Council  1998 1
Nitrogen dioxide -- Toxicology   2
Nitrogen -- Environmental aspects   7
Nitrogen -- Environmental aspects -- Australia -- Port Phillip Bay (Vic.) : Port Phillip Bay environmental study : final report / Graham Harris ... [and others]  1996 1
Nitrogen -- Environmental aspects -- Australia -- Victoria. : Nutrient management strategy for Victorian inland waters  1995 1
Nitrogen -- Environmental aspects -- California : The California nitrogen assessment : challenges and solutions for people, agriculture, and the environment / edited by Thomas P. Tomich, Sonja B. Brodt, Randy A. Dahlgren, Kate M. Scow  2016 1
Nitrogen -- Environmental aspects -- Congresses. : Proceedings of the Conference on Nitrogen as a Water Pollutant, Copenhagen, August 18-20, 1975 / program committee, P. Harremoës ... [and others] ; organizing committee, P. Harremoës ... [and others] ; conference sponsors, Danish National Committee of the International Association on Water Pollution Research (IAWPR)  1977 1
Nitrogen -- Environmental aspects -- Maryland. : Historical land cover changes (1665-2000) and impact on N and P export from the Choptank watershed / by Jorge A. Benitez  2009 1
 

Nitrogen excretion -- See Also the narrower term Urea


  1
Nitrogen excretion.   3
Nitrogen excretion -- Congresses   2
Nitrogen fertilizers.   14
Nitrogen fertilizers -- Australia.   2
Nitrogen fertilizers -- Australia -- Victoria. : Using nitrogen confidently : best management practices for nitrogen use on dryland dairy pastures. / produced by the Department of Natural Resources and Environment ; edited by Frank McKenzie  2001 1
Nitrogen fertilizers -- Congresses. : Nitrogen and rice / [edited by I. Watanabe]  1979 1
Nitrogen fertilizers -- Control. : Lactic acid fermentation of human excreta for agricultural application  2017 1
Nitrogen fertilizers -- Environmental aspects.   8
Nitrogen fertilizers -- Government policy : The California nitrogen assessment : challenges and solutions for people, agriculture, and the environment / edited by Thomas P. Tomich, Sonja B. Brodt, Randy A. Dahlgren, Kate M. Scow  2016 1
Nitrogen fertilizers -- Government policy -- California : The California nitrogen assessment : challenges and solutions for people, agriculture, and the environment / edited by Thomas P. Tomich, Sonja B. Brodt, Randy A. Dahlgren, Kate M. Scow  2016 1
Nitrogen fertilizers -- History : The world's greatest fix : a history of nitrogen and agriculture / G.J. Leigh  2004 1
Nitrogen -- Fixation.   28
Nitrogen -- Fixation -- Analysis. : Measuring plant-associated nitrogen fixation in agricultural systems / Murray Unkovich ... [and others]  2008 1
Nitrogen -- Fixation -- Congresses   3
Nitrogen Fixation -- genetics   2
Nitrogen Fixation -- physiology   2
Nitrogen-fixing algae -- Australia -- Port Phillip Bay (Vic.) : Standing crop and nutrient content of macrophytes in Port Phillip Bay / S.S. Chidgey and M.J. Edmunds  1997 1
Nitrogen fixing bacteria.   2
 

Nitrogen-fixing microorganisms -- See Also the narrower term Nitrogen-fixing algae


  1
Nitrogen-fixing microorganisms.   6
Nitrogen-fixing microorganisms -- Australia. : Rice cultivars and endophytic bacteria towards the development of more effective nitrogen-fixing associations : a report for the Rural Industries Research and Development Corporation / by Barry G. Rolfe and Jeremy J. Weinman  2001 1
Nitrogen-fixing microorganisms -- Congresses. : Molybdenum chemistry of biological significance : [proceedings] / edited by William E. Newton and Sei Otsuka  1980 1
  Nitrogen-fixing plants -- 2 Related Subjects   2
Nitrogen-fixing plants.   3
Nitrogen-fixing plants -- Tropics : Nitrogen Fixation in Tropical Cropping Systems  2001 1
Nitrogen-fixing trees. : Mixed plantations of eucalyptus and leguminous trees : soil, microbiology and ecosystem services / Elke Jurandy Bran Nogueira Cardoso, José Leonardo de Moraes Gonçalves, Fabiano de Carvalho Balieiro, Avílio Antônio Franco, editors  2020 1
 

Nitrogen group elements -- See Group 15 elements


  1
 

Nitrogen in agriculture -- See Also the narrower term Nitrogen fertilizers


  1
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