Showing 1 - 10 results of 18 for search '"nitrogen"', query time: 2.13s Refine Results
  1. 1
    Nitrogen fixation
    Published 1924
    Subjects: “...Nitrogen Fixation...”

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  2. 2
    An analysis of nitrogen fertilizer use and productivity opportunities for prairie farms /
    by Culver, David
    Published 1984
    Subjects: “...Crops and nitrogen Canada...”

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  3. 3
    The role of nitrogen fixation in intensive forestry in Canada /
    by Fortin, J. André
    Published 1983
    Table of Contents: “..., Quebec, on nitrogen-fixing actinorhizal trees and shrubs...”

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  4. 4
    Nitrogen transport and transformations in Canagagigue Creek : final report project 19A, agricultural watershed studies /
    by Robinson, J. B
    Published 1978
    Subjects: “...Water Nitrogen content...”

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  5. 5
    Nutrients and their impact on the Canadian environment /
    Published 2001
    Subjects: “...Nitrogen Environmental aspects Canada...”

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  6. 6
    Nutrients and their impact on the Canadian environment /
    Published 2001
    Subjects: “...Nitrogen Environmental aspects Canada...”

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  7. 7
    Nutrients in the Canadian environment : reporting on the state of Canada's environment /
    by Ironside, G. R
    Published 2001
    Subjects: “...Nitrogen Environmental aspects Canada...”

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  8. 8
    The 1990 Canadian long-range transport of air pollutants and acid deposition assessment report
    Published 1990
    Subjects: “...Nitrogen oxides Environmental aspects Canada...”

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  9. 9
    Time lost : report of the Sub-Committee on Acid Rain of the Standing Committee on Fisheries and Forestry
    Published 1984
    Subjects: “...Nitrogen oxides Environmental aspects Canada...”

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  10. 10
    Socioeconomic differences in nitrogen dioxide ambient air pollution exposure among children in the three largest Canadian cities /
    by Pinault, Lauren L., 1983-
    Published 2016

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