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  1. A biochemical study of nitrogen in certain legumes / by Albert L. Whiting.
    By: Whiting, Albert L.
    Publication info: Urbana, Ill. :University of Illinois Agricultural Experiment Station,1915.
    Contributed by: University of Illinois Urbana Champaign
    Subjects: Bacteria, Nitrifying  Fixation  Legumes  Leguminosae  Nitrogen  
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  2. The evaluation of associative N2-fixation in bahiagrass and corn / by Robert Larson Green.
    By: Green, Robert Larson,
    Publication info: 1982.
    Contributed by: University of Florida, George A. Smathers Libraries (archive.org)
    Subjects: Agronomy  Agronomy thesis Ph. D  Bahia grass  Corn  Dissertations, Academic  Fixation  Nitrogen  UF  
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  3. Evaluation of Panicum virgatum L. for nitrogen related agronomic characters / by Glen C. Weiser.
    By: Weiser, Glen C.
    Publication info: 1980.
    Contributed by: University of Florida, George A. Smathers Libraries (archive.org)
    Subjects: Agronomy  Agronomy thesis Ph. D  Dissertations, Academic  Fixation  Florida  Forage plants  Nitrogen  Switch grass  UF  
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  4. Foliar nitrogen content and tree growth after prescribed fire in ponderosa pine /
    By: Landsberg, Johanna D. - Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
    Publication info: Portland, Or. :U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station,[1984]
    Contributed by: U.S. Department of Agriculture, National Agricultural Library
    Subjects: Fixation  Nitrogen  Ponderosa pine  Prescribed burning  
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  5. Proceedings.
    By: Alberta Soil Science Workshop. - Soil Science Workshop - Western Canada Nitrogen Symposium - Western Canada Phosphate Symposium
    Publication info: [Edmonton, Alta. :Alberta Agriculture],1962-
    Contributed by: University of Alberta Libraries (archive.org)
    Subjects: Alberta  Congresses  Fixation  Nitrogen  Nitrogen content  Nitrogen fertilizers  Research  Soil acidity  Soil erosion  Soil management  Soil microbiology  Soil science  Soils  Soils, Salts in  
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