Disclaimer: Mention of specific products are intended as examples

Disclaimer: Mention of specific products are intended as examples
LED Lighting for Common Bedding Plants
Johanna Oosterwyk – UW-Madison Dept. of
Horticulture
jmooster@wisc.edu
dcsmithgreenhouse.cals.wisc.edu
Resources
Slides from this presentation dcsmithgreenhouse.cals.wisc.edu/resources
Publications from The LED Project: http://leds.hrt.msu.edu/
• Measuring daily light integral in a greenhouse (2010) by Ariana Torres and Roberto
Lopez
• Comparing LED lighting to HPS lamps for plug production (2013) by Wes Randall and
Roberto Lopez
• Lighting the future of young plants (2014) by Wes Randall and Roberto Lopez
Webinar: LED Lighting as a Commercial Possibility: Myth or Reality?
http://www.ballpublishing.com/BallPub/Webinars.aspx
Estimating Your Supplemental Light Needs
What is your local Daylight Duration? http://aa.usno.navy.mil/data/docs/Dur_OneYear.php
Online DLI calculator http://extension.unh.edu/Agric/AGGHFL/dlicalc/index.cfm
Other uses for LEDs
Energy-Efficient Agricultural Lighting by Scott Sanford
https://learningstore.uwex.edu/Assets/pdfs/A3784-14.pdf
Lighting Technology: LED Lamps for Home, Farm and Small Business by Scott Sanford
https://learningstore.uwex.edu/Assets/pdfs/A4050.pdf
Cutting the cost of LED fixtures
Federal grant program – Rural Energy for America Program (REAP):
https://www.rd.usda.gov/programs-services/rural-energy-america-program-renewable-energysystems-energy-efficiency
Focus on Energy: https://focusonenergy.com/business/ag-and-farms
Other Grants: http://www.dsireusa.org/
Disclaimer: Mention of specific products are intended as examples only and do notsignify
endorsement either by the speaker or UW-Extension.
Are LEDs Worth it for MY Business?
1. Grower Objectives
2. Crop Type
3. Geographic location
4. Time of Year
5. Outdoor vs. Indoor DLI
6. Supplemental DLI needs
7. Dimensions of Growing Area
8. Cost per kwh
(Energy use/fixture) x (# of fixtures) x ($/kwh)
Disclaimer: Mention of specific products are intended as examples only and do notsignify
endorsement either by the speaker or UW-Extension.
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