Dr Bruce Bugbee shares the latest research on how to push your plants for more growth and higher quality. We discuss the following topics:
-How to push plants with much higher light intensity than ever before.
-Why elevated CO2 is so important at high light intensities and how to implement it.
-What is the best grow light spectrum.
-How to use far red to maximise growth at different stages.
-Steering plant quality with temperature.
-Intra canopy lighting.
-The dangers of using UVC.

The Science and Technology of Medical Cannabis Cultivation
2023/2024 Edition: https://caas.usu.edu/labs/cpl/cannabi...

We review the DLI 600 by Apogee Instruments: https://www.apogeeinstruments.com/dli...
& the Insight M100 spectroradiometer: https://www.apogeeinstruments.com/ms-...

Paper on principals of Nutrient and water management: https://www.researchgate.net/publicat...

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Timecodes:
0:00 - Introduction
2:30 - Measuring DLI with the DLI 600 by Apogee Instruments
6:47 - How far can growers increase DLI
17:15 - CO2 required for high light intensity
19.29 - Nutrient and watering at high light intensity
20:10 - Limits of DLI for home growers
24:10 - DLI for seedlings and Veg
26:55 - Measuring Grow light spectrum with the Apogee Insight Spectroradiometer
28:59 - PPFD, ePPFD, YPFD & TPFD
34:00 - Far Red, phytochrome, shade response
43:35 - How to use variable spectrum grow lights
46:06 - What is the best grow light spectrum
49:03 - Benefits of using UVC
51:19 - Intra-canopy lighting
56:00 - Adjusting temperature to improve harvest quality
59:30 - Triploids