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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.


  • Ornamental photoperiodic lighting strategies

    Published on February 5, 2018

    Roberto Lopez discusses the photoperiodic response groups of a variety of ornamental crops. He also discusses strategies and equipment to create long days in greenhouses.

  • Jeremy Jubenville

    Floriculture Educator
    jubenvi3@msu.edu
    269-384-8010

  • Heidi Lindberg

    West Michigan Greenhouse and Nursery Education & Research
    wollaege@msu.edu
    616-994-4701

  • Roberto Lopez

    Associate Professor
    rglopez@msu.edu
    517-353-0342

  • Erik Runkle

    Professor
    runkleer@msu.edu
    (517) 353-0350

  • Maximizing photosynthesis, minimizing respiration

    Published on March 8, 2021
    Conceptually, anything growers can do to increase photosynthesis and decrease respiration can increase growth, leading to thicker stems, faster rooting, more branches, and more and larger flowers and fruits

  • Making sense of light sensors

    Published on February 10, 2021
    In this article, we discuss light sensors, light units, and how to convert light units from a greenhouse environmental control computer into more meaningful values.

  • Lighting young plants indoors

    Published on February 4, 2019
    Part 1 of a 5-part series is an introduction to producing young plants indoors under fully controlled environments.

  • LEDs: Blue & far-red light

    Published on April 10, 2019
    Part 3 of a 5-part series summarizes results from an indoor lighting experiment with floriculture crop seedlings, where we determined whether blue light could nullify the effects of far red on stem elongation, without inhibiting flowering.

  • Selecting an LED fixture

    Published on February 18, 2019
    With so many LED products now on the market, choosing the right lighting fixture is a crucial decision. This article discusses factors to consider when choosing an LED fixture for plant applications.

  • Green and blue LED lighting

    Published on March 6, 2019
    Indoor production of leafy greens, Part 2 of 4: How green light affects lettuce growth can depend on blue and red light.

  • How green light affects floriculture crops

    Published on February 13, 2019
    Is green light really a safe light for floriculture crops? Researchers at Michigan State University find out the impact it has on crops that flower in response to the day length.

  • LEDs: Far red & light intensity interaction

    Published on March 4, 2019
    Part 2 of a 5-part series explains how far-red light and light intensity (the photosynthetic photon flux density) interact to influence growth of young plants indoors, under fully controlled environments.

  • Leafy greens: Green & far red LED lighting

    Published on February 1, 2019
    Indoor production of leafy greens, Part 1 of 4: Substituting green or far-red light for blue light can increase lettuce and kale yields.

  • 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.

  • 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.

  • Light wavebands & their effects on plants

    Published on March 23, 2015
    This article discusses how the four primary wavebands of light (blue, green, red, and far red) influence plant growth and development. Light wavebands also interact with each other, but only a few are mentioned here.

  • 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.

  • 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.

  • Providing long-days with CFLs

    Published on March 24, 2009
    Answering the question of can compact fluorescent lamps save energy and still light your crops adequately?