Research Investigates the Impact of Lighting on Microgreens

A recent research study published in Agronomy explored the effects of different light spectrums and intensities on the growth and biomass accumulation of 14 microgreen species in a controlled environment. The experiment utilized two distinct LEDs—Osram (209.5 µmol m−2 s−1) and Instagreen (45 µmol m−2 s−1)—under a 16/8 hour light/dark cycle. Findings revealed that sunflowers achieved the highest fresh biomass and chlorophyll content (SPAD), while nasturtium exhibited the longest hypocotyl length. Mungbean showed superior leaf area index (LAI) under Instagreen, whereas lentils had the highest LAI under Osram. The study noted that Instagreen had better light and energy use efficiency, while Osram excelled in water and surface use efficiencies. These results highlight the varied growth responses of microgreen species to different light conditions, emphasizing sunflowers as particularly effective in biomass production due to their high chlorophyll levels.

Research Investigates the Impact of Lighting on Microgreens

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