Why Far-Red Photons Should Be Included in the Definition of Photosynthetic Photons and the Measurement of Horticultural Fixture Efficacy

Front Plant Sci. 2021 Jun 22:12:693445. doi: 10.3389/fpls.2021.693445. eCollection 2021.

¹ Department of Horticultural Sciences, Texas A&M University, College Station, TX, United States.
² Department of Horticulture, University of Georgia, Athens, GA, United States.
³ Department of Plants, Soils and Climate, Utah State University, Logan, UT, United States.

No abstract available

Keywords: Emerson Enhancement Effect; extended photosynthetically active radiation; far-red photons; fixture efficacy; photosynthesis.