Radiant flux is the amount of light energy emitted by a luminaire over time. It is measured in Watts (W).Related Articles: Canna Cribs Episode 4: Los Sueños Farms — Pueblo, ColoradoLargest Cannabis Producers in North America (2017)How to Measure Horticultural Lighting Performance - Part OneHow Light Impacts Plant Development: Photomorphogenesis - Part 1How Light Impacts Plant Development: Photomorphogenesis - Part 2Lighting and Lighting Controls in a Greenhouse - Part 2Related Terms:Term: Luminaire