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Subject: Nitrification
Institution
Collection
Format
Subject
Nitrification
3
Nitrogen Fixation
3
Nitrogen cycle
2
Plant-soil relationships
2
Plants Effect of nitrogen on
2
Soil chemistry
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2
Soils Nitrogen content
1
Acid deposition
1
Air Pollution
1
Atmospheric nitrous oxide Environmental aspects
1
Denitrifying bacteria
1
Filters and filtration
1
Fungi Industrial applications
1
Genetic engineering
1
Nitrates
1
Nitrites
1
Nitrogen-fixing plants
1
Rocky Mountain National Park (Colo.)
1
Sewage Purification
1
Sewage disposal plants Pilot plants
1
Soil algae
1
Water Dissolved oxygen
1
Water Purification
1
Water quality
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Author
3
ScienceDirect (Online service)
2
Colorado Agricultural Experiment Station
2
Sackett, Walter G. 1880-
2
United States. Environmental Protection Agency. Office of Research and Monitoring
1
Bollay, Jean-Marc
1
Carsiotis, Michael
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1
Colorado. Air Quality Control Commission
1
Colorado. Department of Public Health and Environment
1
Delwiche, C. C.
1
Duddles, Glenn A.
1
Ehlke, Theodore A.
1
Geological Survey (U.S.)
1
Haynes, R. J.
1
Kearney Foundation
1
Khanna, Sunil
1
Klotz, Martin G.
1
Klotz, Martin G.,
1
MacDonald, J. G.,
1
McCarty, Perry L.
1
McHarness, Donald D.
1
Nielsen, Donald R., 1931-
1
Richards, Stevens E.
1
Risk Reduction Engineering Laboratory (U.S.)
1
Robbins, Wilfred William, 1884-1952
1
Schroder, L. J.
1
See, Randolph B.
1
Stein, Lisa Y.
1
United States. Environmental Protection Agency
1
United States. Environmental Protection Agency. Office of Research and Development
1
United States. National Park Service
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