Application Status of Plant Lighting Fixtures

Plant lighting is one of the key factors in the development of facility agriculture. We systematically summarize the development history and technical characteristics of light-emitting diode (LED) plant lighting fixtures technology, and analyze the current application status of plant lighting fixtures in the fields of home cultivation, greenhouse greenhouses, plant factories, and understory planting, which is of certain reference value to practitioners and researchers in related fields.

In home cultivation, plant lighting fixtures are widely used by hobbyist gardeners and indoor plant enthusiasts. These fixtures allow them to create optimal growing conditions for their plants, regardless of the availability of natural sunlight. With the right combination of light spectrum and intensity, growers can produce healthy and vibrant plants right in their own homes.

In greenhouse greenhouses, plant lighting fixtures play a crucial role in extending the growing season and increasing crop yields. By providing supplemental light during periods of low sunlight, growers can ensure continuous plant growth and productivity. Additionally, these fixtures help maintain consistent light levels throughout the greenhouse, ensuring uniform growth and quality of the crops.

Plant factories, also known as vertical farms, rely heavily on artificial lighting to grow plants in controlled environments. These facilities use advanced plant lighting fixtures, including full spectrum LED grow lights, to provide the necessary light for plant growth. With precise control over light intensity, spectrum, and duration, plant factories can optimize plant growth and maximize yield. This technology is particularly beneficial in urban areas where space is limited, and traditional farming methods are not feasible.

Understory planting, which refers to growing plants beneath the canopy of taller plants or trees, also benefits from plant lighting fixtures. In areas with limited sunlight, such as dense forests or shaded gardens, growers can use these fixtures to provide the necessary light for understory plants to thrive. By simulating natural sunlight, plant lighting fixtures enable the successful cultivation of a wide range of plant species in challenging environments.

The "century of light" of modern agriculture has come quietly. Through plant lighting and other technical means, can effectively promote plant growth and development while improving its quality, plant lighting has become one of the key development direction of agriculture. Fluorescent lamps, metal halide lamps and other traditional plant lighting light source, but it is difficult to meet the actual environment of large area, high precision plant lighting applications. Light emitting diode (lightemitting diode, LED) with high luminous efficacy, easy to regulate, long life and other advantages, has gradually become the mainstream products in the field of plant lighting.

As the application of LED lamps in the field of plant lighting becomes more and more extensive, the functional characteristics and evaluation indexes of plant lighting LED lamps are also more and more scientific and reasonable. Based on the basic principles of photobiology and the photosynthetic response spectrum of plants, researchers and related practitioners have also refined the optical evaluation system of plant photon metrology applicable to plant lighting. Through advanced packaging technology, multi-color LED chips are encapsulated on a template according to a certain law, and through block or individual drive, combined with certain control concepts, the light quality, light intensity and light cycle of LED lamps can be accurately regulated according to the production cycle of the plant and changes in external illumination, so as to satisfy the various needs in the field of plant lighting.

At present, LED lamps have been widely used in home planting, greenhouse supplemental light, field supplemental light and plant factories and other plant lighting field.

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