Search Results for the EPA National Library Catalog

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Select Item	Title	Year Published
1	Acid soil and acid rain the impact on the environment of nitrogen and sulphur cycling /	1986
2	Agriculture and the nitrogen cycle : assessing the impacts of fertilizer use on food production and the environment /	2004
3	Air quality criteria for oxides of nitrogen /	1991
4	Air quality criteria for oxides of nitrogen : final report.	1982
5	Air quality criteria for oxides of nitrogen. Volume 2. /	1991
6	Animo Acid Composition of Suspended Particles, Sediment-Trap Material, and Benthic Sediment in the Potomac Estuary.	1993
7	Atmospheric nitrogen deposition loadings to the Chesapeake Bay : an initial analysis of the cost effectiveness of control options /	1996
8	Basic Research in the Aquatic Environment: Effects of Eutrophication on Phytoplankton Populations and Selected Species of Aquatic Vascular Plants.	1973
9	Baywide Nutrient Cycling (Denitrification) Monitoring Program-In situ loggers : progress report no. 38 (October-December 2011) /	2012
10	Biogeochemical cycling of carbon, nitrogen, and phosphorus in saltwater marshes of Lavaca Bay, Texas.	1975
11	Biology of the nitrogen cycle	2007
12	Carbon nitrogen sulfur : human interference in grand biospheric cycles	1985
13	Denitrification as affected by irrigation frequency of a field soil /	1980
14	Descriptive Basis for a Model of Soils Biogeochemistry (Chapter 12).	1994
15	Dynamics of the nitrogen cycle in lakes /	1970
16	Dynamics of the Nitrogen Cycle in Lakes.	1970
17	Ecology of the nitrogen cycle	1987
18	Ecosystem stress from chronic exposure to low levels of nitrate /	2005
19	Effect of Unlined Treated Sewage Storage Ponds on Water Quality in the Ogallala Formation.	1971
20	Emission rates for biogenic NOx /	1978
21	Environmental Control of Nitrogen Fixation in Lakes: I. In situ Nitrogen Fixation by Free Living Blue-Green Algae. II. Nitrogen Fixation by the Duck-Weed-Algal Association.	1974
22	Evaluation of pollution control processes : Upper Thompson Sanitation District /	1980
23	Experimental Inducement of Nitrogen Saturation at the Watershed Scale.	1993
24	Factors influencing the redistribution of nitrogen by cattle /	1980
25	Fate of Nitrogen in Aquatic Ecosystems.	1972
26	Feasibility of overland flow for treatment of raw domestic wastewater /	1974
27	Feasibility of overland-flow treatment of feedlot runoff /	1974
28	Field measurement of denitrification /	1977
29	Function of Marshes in Reducing Eutrophication of Estuaries of the Middle Atlantic Region.	1974
30	Human alteration of the global nitrogen cycle : causes and consequences /	1997
31	Interactive Effects of O3 and CO2: Implications for Terrestrial Ecosystems.	1997
32	Kinetics of Algal Systems in Waste Treatment. Light Intensity and Nitrogen Concentration as Growth-Limiting Factors.	1968
33	Modeling dynamics of biological and chemical components of aquatic ecosystems /	1975
34	Modeling nitrogen cycling and export in forested watersheds using HSPF	1996
35	Nitrogen Budget of a North Carolina Estuary.	1974
36	Nitrogen cycling dynamics in agricultural fields fertilized with liquid swine waste-- microbial nitrification and denitrification	2004
37	Nitrogen cycling in coastal marine environments /	1988
38	Nitrogen cycling in microcosms and application to the biology of the northern arm of the Great Salt Lake	1976
39	Nitrogen cycling in the Americas : natural and anthropogenic influences and controls /	2006
40	Nitrogen cycling in the North Atlantic Ocean and its watersheds /	1996
41	Nitrogen dynamics in forested watersheds of the Chesapeake Bay : 17-19 June 1997, Frostburg, MD /	1997
42	Nitrogen in the environment : sources, impacts, management /	1993
43	Nitrogen in the marine environment /	1983
44	Nitrogen isotope techniques	1992
45	Nitrogen oxides : impacts on public health and the environment /	1997
46	Nitrogen recycling in the Chowan River /	1977
47	Nitrogen Sources and Cycling in Natural Waters.	1973
48	Nutrient pollution in coastal waters : priority topics for an integrated national research program for the United States /	2003
49	Opportunities in nitrogen management research : improving applications for proven technologies and identifying new tools for managing nitrogen flux and input in ecosystems /	2002
50	Optimizing nitrogen management in food and energy production and environmental protection : contributed papers from the 2nd International Nitrogen Conference, 14-18 October 2001, Potomac, Maryland, USA /	2002

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