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    Start Over Publication Year 2017 Subject Term crops Subject Term design

    2. Proposed product label for electric lamps used in plant sciences

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    Collection:
    Agricultural Communications Documentation Center (ACDC)
    Contributers:
    Both, Arend-Jan (author), Bugbee, Bruce (author), Kubota, Chieri (author), Lopez, Roberto G. (author), Mitchell, Cary (author), Runkle, Erik S. (author), Wallace, Claude (author), and Rutgers University UT State University University of Arizona Michigan State University Purdue University
    Format:
    Journal article
    Publication Date:
    2017-08
    Published:
    United States: American Society for Horticultural Science
    Location:
    Agricultural Communications Documentation Center, Funk Library, University of Illinois Box: 16 Document Number: D10439
    Journal Title:
    HortTechnology
    Journal Title Details:
    27(4) : 544-549
    Notes:
    6 pages., Via online journal., Electric lamps are widely used to supplement sunlight (supplemental lighting) and daylength extension (photoperiodic lighting) for the production of horticultural crops in greenhouses and controlled environments. Recent advances in light-emitting diode (LED) technology now provide the horticultural industry with multiple lighting options. However, growers are unable to compare technologies and LED options because of insufficient data on lamp performance metrics. Here, we propose a standardized product label that facilitates the comparison of lamps across manufacturers. This label includes the photosynthetically active radiation (PAR) efficacy, PAR conversion efficiency, photon flux density output in key wave bands, as well as the phytochrome photostationary state (PSS), red/far red ratio, and graphs of the normalized photon flux density across the 300–900 nm wave band and a horizontal distribution of the light output.