Search Results for the EPA National Library Catalog

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Select Item Title Year Published
A comparison of nitrogen fixation (acetylene reduction) rates in seagrass communities dominated by Thalassia Testudinum and Halodule Wrightii / 1988
Algae-Bacteria Interaction in a Light-Dark Cycle (Journal Version). 1981
Algal Nutrient Studies of the Potomac Estuary. 1977
Associative and endophytic nitrogen-fixing bacteria and cyanobacterial associations / 2007
Bioassay of calcium cyanamide for possible carcinogenicity. 1979
Biological Fixation and Transformation of Nitrogen in Small Impoundments. 1970
Biological fixation of atmospheric nitrogen / 1971
Biology and ecology of nitrogen. Proceedings of a conference. 1969
Cadmium Effects on the Nitrogen Fixation System of Red Alder. 1980
Chemistry and biochemistry of nitrogen fixation, 1971
Control of water pollution from cropland {microform} / 1976
Design parameters for animal waste treatment systems : nitrogen control / 1976
Determination of a Nitrogen-Phosphorus Budget for Bayou Texar, Pensacola, Florida. 1972
Dynamics of the Nitrogen Cycle in Lakes. 1970
Effect of Glyphosate and Nitrapyrin on Selected Bacterial Populations in Continuous-Flow Culture. 1992
Effect of Simulated Sulfuric Acid Rain on the Chemistry of a Sulfate-Adsorbing Forest Soil. 1985
Effects of Acidic Rain and Ozone on Nitrogen Fixation and Photosynthesis in the Lichen 'Lobaria pulmonaria' (L.) Hoffm. 1986
Effects of Nitrogen Sources on P-Limited Growth of 'Anabaena Flos-Aquae'. 1983
Effects of ozone on nitrogen fixation in ladino clover / 1976
Effects of Ozone on Root Processes. 1978
Effects of UV-B and Global Climate Change on Rice Research Plan. 1990
Energetics of biological nitrogen fixation. 1982
Environmental control of nitrogen fixation in lakes : project completion report / 1974
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
Fate of Nitrogen in Aquatic Ecosystems. 1972
Genetic engineering for nitrogen fixation / 1977
GIS (Geographical Information System) Based Simulation Approach to Predict System Responses to Climatic Change. 1989
Human alteration of the global nitrogen cycle : causes and consequences / 1997
Integrated Iron and Nitrogen Control for Lake Restoration. 1979
Limitations and potentials for biological nitrogen fixation in the tropics / 1978
Methanol requirement and temperature effects in wastewater denitrification / 1970
Methanol requirement and temperature effects in wastewater denitrification. 1970
Methods for evaluating biological nitrogen fixation / 1980
Microbial Response to Acid Deposition and Effects on Plant Productivity. 1984
Nitrates: An Environmental Assessment. 1978
Nitrogen cycling in bacteria : molecular analysis / 2011
Nitrogen fixation by free-living micro-organisms 1975
Nitrogen fixation in bacteria and higher plants / 1975
Nitrogen isotope techniques 1992
Nitrogen removal from wastewaters 1970
Nitrogen sources and cycling in natural waters / 1973
Nitrogen Sources and Cycling in Natural Waters. 1973
Ozone and Soil Moisture Deficit Effects on Nitrogen Metabolism of Soybean (Journal Version). 1987
Proceedings of the National Conference on Management of Nitrogen in Irrigated Agriculture, Held in Sacramento, California, on May 15-18, 1978. 1978
Protocol for evaluating the nitrogen status of lake sediments / 1974
Recent developments in nitrogen fixation 1977
Removal of Nitrogen from Tile Drainage, Bio-Engineering Aspects of Agricultural Drainage San Joaquin Valley, California. 1971
Review of Acid Deposition Research in the Western United States 1983
Review of Tampa Bay Information for Interim Nutrient Budgets and Historical Loadings of Bay Segments. 1992
Selective Withdrawal at Lake Livingston. 1972
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