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  1. 1
    Plant growth and development in the ASTROCULTURE space-based growth unit--ground based experiments : final report for research grant NAG 9-851, Lyndon B. Johnson Space Center

    Plant growth and development in the ASTROCULTURE space-based growth unit--ground based experiments : final report for research grant NAG 9-851, Lyndon B. Johnson Space Center by Bula, Raymond J.

    [Washington, DC] : [Springfield, Va.] : [National Aeronautics and Space Administration] ; [National Technical Information Service, distributor], 1997
    Format: Government Document Book


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  2. 2
    Forage management

    Forage management by Smith, Dale

    Dubuque, Iowa : Kendall/Hunt Pub. Co., 1986
    5th ed.
    Other Authors: “…Bula, Raymond J.…”
    Format: Book


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