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  1. The effect of reaction on the fixation of nitrogen by Azotobacter,
    By: Johnson, Harlan Woodbridge, - Lipman, C. B.
    Publication info: Berkeley,University of California press,1922.
    Contributed by: University of California, Davis Libraries (archive.org)
    Subjects: Azotobacter  Nitrification  Soil microbiology  
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  2. The effects of calcium and magnesium carbonates on some biological transformations of nitrogen in soils,
    By: Kelley, W. P.
    Publication info: Berkeley,University of California Press[1912]
    Contributed by: University of California, Davis Libraries (archive.org)
    Subjects: Carbonates  Nitrification  Soil microbiology  
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  3. The fixation of atmospheric nitrogen by sweet clover
    By: Maynard, Leonard Amby,
    Publication info: Ithaca,1917
    Contributed by: Library of Congress
    Subjects: Clover  Green manuring  Nitrification  
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  4. The fixation of atmospheric nitrogen; a communication made to the Cairo Scientific Society, January 3, 1919, by Frank Hughes. (Ed. by the Publication committee of the Ministry of Agriculture)
    By: Hughes, Frank.
    Publication info: Cairo,Government Press,1922.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Nitrification  
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  5. Nitrating the soil by inoculated legumes, by Gilbert Ellis Bailey ...
    By: Bailey, Gilbert Ellis,
    Publication info: [Los Angeles,University of Southern California Press]1915.
    Contributed by: Library of Congress
    Subjects: Nitrification  Soil inoculation  
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  6. Nitrogen fixation by yeasts and other fungi by Charles B. Lipman ...
    By: Lipman, C. B.
    Publication info: Baltimore,1911
    Contributed by: University of California Libraries (archive.org)
    Subjects: Bacteria, Nitrifying  Nitrification  
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  7. Seasonal nitrification as influenced by crops and tillage. By C. A. Jensen...
    By: Jensen, Charles A.
    Publication info: Washington,Govt. print. off.,1910.
    Contributed by: Library of Congress
    Subjects: Nitrification  
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  8. The spirit of the soil; or, An account of nitrogen fixation in the soil by bacteria and of the production of auximones in bacterized peat, by Gordon D. Knox ... with a foreword by Professor W.B. Bottomley ...
    By: Knox, Gordon Daniell.
    Edition: 2nd impression.
    Publication info: New York,Stokes[1916]
    Contributed by: University of California Libraries (archive.org)
    Subjects: Nitrification  Peat  
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  9. Studies on ammonification in soils by pure cultures,
    By: Lipman, C. B. - Burgess, Paul Steere,
    Publication info: Berkeley,University of California Press,1914.
    Contributed by: University of California, Davis Libraries (archive.org)
    Subjects: Nitrification  Soil microbiology  
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  10. Studies on ammonification in soils by pure cultures,
    By: Lipman, Charles Bernard, - Burgess, Paul Steere,
    Publication info: Berkeley,University of California press,1914.
    Contributed by: Library of Congress
    Subjects: Nitrification  Soil microbiology  
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