Resources
Research
Utah State University conducted three replicate studies in five identical growing chambers. These studies compared a top-selling LED horticulture fixture, 3 of our own designed spectra, and a double-ended HPS fixture. All environmental factors, including photosynthetic photon flux, were kept the same among chambers to isolate the effect of spectra on yield and quality of cannabis.
Results
The findings from the study suggested that yield didn’t respond nearly as much as some would think to differences in the LED spectra, but there was a sweet spot of efficacy, and red and blue photon contribution. When it came to yield, the LED spectra we developed produced 27% more flower per dollar of electricity * on average than HPS, and slightly higher flower yield per dollar of electricity than the results from a top selling LED fixture.
Equally as important, the study also showed that there was no statistical difference in potency and cannabinoid concentration between the different LED spectral distributions and HPS, so product quality was maintained in going to LED from HPS.
We applied these learnings and research in developing the Verjure™ Pro Series LED, so you can grow with confidence.
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