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Showing results for content tagged 'light management in greenhouses and controlled environments'. Search instead for the keyword 'light management in greenhouses and controlled environments'.

  • Light Management in Controlled Environments

    MSU Extension’s floriculture educational and applied research programs help improve greenhouse crop production and business management by providing trusted information on new production techniques and management strategies.


  • Manipulating light in the greenhouse

    Published on June 24, 2009
    This article presents research on a high-pressure sodium fixture with an oscillating reflector to regulate flowering of greenhouse crops.

  • Greenhouse shading options

    Published on March 24, 2008
    As spring approaches and days get gradually longer, growers need to look at ways to limit the light and heat that affect their most sensitive crops.

  • Efficacy of lamp types at controlling flowering

    Published on February 23, 2016
    This article summarizes the effectiveness of low-intensity lighting from different lamp types at regulating flowering of a wide range of ornamental crops based primarily on research performed at Michigan State University.

  • Daily light integral defined

    Published on November 24, 2006
    Breaking down daily light integral (DLI) and how to use it to a greenhouse growers advantage.

  • Do you know what your DLI is?

    Published on December 24, 2006
    Daily light integral has a profound effect on your plants. Learn how to measure DLI in your greenhouse three different ways.

  • An update on LED lighting efficacy

    Published on July 5, 2018
    In plant lighting, the photosynthetic photon efficacy of a fixture quantifies how effectively a fixture converts electricity into light useful for photosynthesis. This article provides an update the efficacy values of LEDs as of 2018.

  • The indoor lighting guide: Growing seedlings under LEDs

    Published on July 1, 2021
    This 24-page guide provides research-based information about producing young plants indoors (without sunlight) under LEDs. Developed in partnership with GrowerTalks magazine.

  • The double-ended HPS lamp

    Published on September 23, 2014
    Double-ended high-pressure sodium lamps are considerably more efficient at converting electricity into light useful for photosynthesis than single-ended lamps.

  • Horticultural lighting applications

    Published on June 11, 2018
    This article summarizes the different lighting applications and characteristics used in horticulture, including in greenhouses and indoors.

  • Red light and plant growth

    Published on August 7, 2016
    Many LED fixtures developed for plant growth applications emit a large proportion of red light. Learn about the roles of red light in photosynthesis, extension growth, and flowering, as well as human perception.

  • Turning on/off supplemental lighting

    Published on October 23, 2013
    The costs to operate high-intensity lighting in greenhouses are quite high, so operation of lights should be managed as efficiently as possible.

  • Lighting plans: Their generation and importance

    Published on August 17, 2017
    Light intensity and uniformity are critical to successful production of plants. This article describes how lighting plans are developed, and why they are so important when comparing lighting technologies.

  • Providing long days

    Published on January 24, 2007
    Crop development can be accelerated with the use of low-intensity lighting. Here are the answers to some common questions about photoperiodic lighting.

  • Evaluating different colors of LEDs to control flowering

    Published on December 10, 2014
    Researchers at Michigan State University tested the effectiveness of various LED colors. Read to learn how they affected flowering.

  • Cyclic long-day lighting

    Published on December 24, 2007
    Shortening the duration of darkness with night-interruption lighting can help some plants flower earlier.

  • Light spectrum for different applications

    Published on September 8, 2021
    This article discusses the effects of the light spectrum on plants, and conceptually how it can be used for different greenhouse and indoor crop production applications.

  • Saturating DLIs for flowering

    Published on February 15, 2011
    An in-depth look at daily light integral (DLI) and how bedding plants can be classified into different light response groups.

  • Increasing the daily light integral

    Published on August 6, 2021
    The daily light integral (DLI) refers to the cumulative amount of light received per day, which influences the quality and yield of horticultural crops. This article discusses ways to increase the DLI for plants grown in greenhouses.

  • Managing photoperiod in the greenhouse

    Published on March 23, 2013
    This six-page bulletin provides information on how to control the day length in commercial greenhouse production of floriculture and nursery crops.

  • Getting the most out of light measurements

    Published on September 24, 2010
    Managing and manipulating greenhouse light levels puts your operation at an advantage. Let’s get your operation started