Search Results for the EPA National Library Catalog

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