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  1. Nitrogen Fixation in Lucerne (1970 Film, Video)

    Director
    Chris C Doncaster
    Producer
    Francis Bell
    Subject
    Agriculture; Biology
    Distribution
    Film (16mm)

    Describes an experiment in the International Biological Programme to estimate the amount of atmospheric nitrogen fixed by lucerne (alfalfa). Infection of root hairs by nodule bacteria and the development of...

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