The Profitability of Growing Cannabis Under High Intensity Light

Agronomy Journal. 2020; 1– 5. DOI/10.1002/agj2.20008

Posted: 15 Jan 2019 Last revised: 11 Mar 2020

See all articles by James Eaves

James Eaves

Université Laval

Stephen Eaves

VoltServer

Chad Morphy

Greenseal Cannabis Company

Chris Murray

Greenseal Cannabis Company

Date Written: January 4, 2019

Abstract

The purpose of this study was to analyze the relationship between light intensity, cannabis yields, and profitability. We also look for evidence that spectrum differences across broad-spectrum, horticulture lights and general-purpose LEDs impact the relationship between yield and light intensity. Finally, we discuss the financial return of increasing light intensity in order to increase yields. We find that yields increase linearly with light intensity up to at least 1500 μmols/m2·s, which is at least twice the intensity that is most commonly used by cannabis growers. That relationship did not appear to be influenced by spectrum quality differences across the lamps included in the study. Finally, for all the intensity ranges that we considered, the value of the gain in yields from increasing light intensity far exceeded the cost of using more electricity.

Keywords: Cannabis, LED lighting, HPS, Yields

JEL Classification: Q

Suggested Citation

Eaves, James and Eaves, Stephen and Morphy, Chad and Murray, Chris, The Profitability of Growing Cannabis Under High Intensity Light (January 4, 2019). Agronomy Journal. 2020; 1– 5. DOI/10.1002/agj2.20008 , Available at SSRN: https://ssrn.com/abstract=3310456 or http://dx.doi.org/10.2139/ssrn.3310456

James Eaves (Contact Author)

Université Laval ( email )

Stephen Eaves

VoltServer ( email )

42 Ladd St
East Greenwich, RI 02818
United States

Chad Morphy

Greenseal Cannabis Company ( email )

530 Wright Boulevard
Stratford
Canada

Chris Murray

Greenseal Cannabis Company ( email )

530 Wright Boulevard
Stratford
Canada

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