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  2. Daily light integral - Wikipedia

    en.wikipedia.org/wiki/Daily_light_integral

    The daily light integral (DLI) is the number of photosynthetically active photons (photons in the PAR range) accumulated in a square meter over the course of a day. It is a function of photosynthetic light intensity and duration (day length) and is usually expressed as moles of light (mol photons) per square meter (m −2) per day (d −1), or: mol·m −2 ·d −1.

  3. Your Grow Light Is Probably Too Far from Your Plants ... - AOL

    www.aol.com/lifestyle/grow-light-probably-too...

    Here's what you need to know to place grow lights at the right distance, depending on the type of light and the plants you're growing. Related: The 11 Best Grow Lights to Help Your Plants Thrive ...

  4. Grow light - Wikipedia

    en.wikipedia.org/wiki/Grow_light

    Ficus plant grown under a white LED grow light. A grow light is an electric light that can help plants grow. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated (typically a varying combination of red and blue light, which generally appears pink to purple to the human eye).

  5. Hydroponics - Wikipedia

    en.wikipedia.org/wiki/Hydroponics

    Within the center of each rotary hydroponic garden can be a high intensity grow light, designed to simulate sunlight, often with the assistance of a mechanized timer. Each day, as the plants rotate, they are periodically watered with a hydroponic growth solution to provide all nutrients necessary for robust growth.

  6. Let's Grow: Light temperature is important to landscape lighting

    www.aol.com/lets-grow-light-temperature...

    For premium support please call: 800-290-4726 more ways to reach us

  7. Controlled-environment agriculture - Wikipedia

    en.wikipedia.org/wiki/Controlled-environment...

    Production takes place within an enclosed growing structure such as a greenhouse or plant factory. [1] Plants are often grown in a soilless medium in order to supply the proper amounts of water and nutrients to the root zone as well as supplemental lighting to ensure a sufficient daily light integral. CEA optimizes the use of resources such as ...

  8. Phototropism - Wikipedia

    en.wikipedia.org/wiki/Phototropism

    Growth towards a light source is called positive phototropism, while growth away from light is called negative phototropism. Negative phototropism is not to be confused with skototropism, which is defined as the growth towards darkness, whereas negative phototropism can refer to either the growth away from a light source or towards the darkness ...

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