LED Spectra in Plant Growth

This paper summarizes how LED spectra affect plant growth and health. It provides a generalist summary, as much of the research used is still active, ongoing, and sometimes contested/debated, in particular:

• Many plants have incredibly complex light responses (e.g., some plants may respond differently under blue and green light than under blue light alone).
• Specific ways key pigments, like different types of chlorophyll, respond are still studied (e.g., the measured absorption curves of chlorophyll can vary slightly according to source).
• Performance is highly species-dependent.

This paper lists possible uses for different kinds of light, but you should keep the above caveats in mind.

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