The document compares the spectral output of HPS 250W bulbs with fluorescent tubes and various LED light types, highlighting their absorption patterns for photosynthesis. It discusses specific wavelengths important for plant growth, such as deep red, far red, and blue light. Additionally, it references sources related to micro-experimental growing in education and science contexts.

6. Lumen vs Radiometric Watt

7. Spectrum Comparison
HPS 250W BulbSun

8. Spectrum Comparison
HPS 250W Bulb Fluorescent Tube
3300K
Sun MH 250W Bulb

9. Absorption Pattern of PhotosynthesisSun

10. MEG, Typical Spectrum
Vegetative FloweringFull Power

13. MEG, Selective
Wavelenght Ranges
DEEP_RED- Luxeon Rebel Deep Red 670nm FAR_RED- Led Engin Far Red 745nm
ROYAL-BLU_Cree XT-E Royal Blu 465nm AMBER_Cree XP-E Amber 595 nmRED- Cree XP-E Red 630 nm
BLU- Cree XP-E Blu 485 nmGREEN_Cree XP-E Green 510 nm

14. Sharing Knowledge
D’Alesio&Santoro + DGI,
MEG, User Interface,
2014
Source: www.growmeg.org/

15. Sharing Knowledge
D’Alesio&Santoro + DGI,
MEG, User Interface,
2014
Source: www.growmeg.org/

16. MEG (Micro Experimental Growing)
D’Alesio&Santoro + DGI,
MEG, Museo della Scienza,
e della Tecnologia
“Leonardo da Vinci”
Milan, 2015
Source: www.growmeg.org/museoscienza/

17. D’Alesio&Santoro + DGI,
MEG, Museo della Scienza
MEG (Micro Experimental Growing)
,
e della Tecnologia
“Leonardo da Vinci”
Milan, 2015
Source: www.growmeg.org/museoscienza/

18. Space Farming
Source: www.spaceanswers.com