Light spectrum

Far-red light and temperature interactively regulate plant growth and morphology
Part I: Applications for indoor production.
More in Light spectrum
LumiGrow releases guide to understanding different light spectrums
The guide explains the differences between using supplemental light in greenhouse and indoor environments, how to find the right light spectrum and more.
P.L. Light Systems introduces NXT-LP Ceramic Metal Halide luminaire
The company says the luminaire’s ultra-low-profile design and low radiant heat output lend themselves ideally to vertical applications or facilities where ceiling height is limited.
LumiGrow releases Horticultural Lighting Terms Guide
The guide provides information on Photosynthetically Active Radiation, Photosynthetic Photon Flux and more.
OSRAM, Wageningen University release LED trial results
According to their research, LEDs were 11% more effective with certain tomato cultivars.
Lighting for year-round vegetable production in Alberta greenhouses
When testing out new lighting systems, growers must consider several factors that will impact performance.
Green and blue LED lighting
Indoor production of leafy greens, Part II: How green light affects lettuce growth can depend on blue and red light.
Driven by demand
Some growers, including Ontario-based Orangeline Farms, are growing strawberries indoors to better cater to consumers’ interest in the crop.
LumiGrow launches TopLight
The wirelessly controllable LED lighting system is designed for commercial greenhouse and indoor crop production.
Read all of our Urban Agriculture series articles in one place
University researchers reveal the latest about vertical farms, lighting, rooftop gardens and more.
10 questions about winter greenhouse growing
CropKing horticulturist Jake Emling gives tips for preparing greenhouses for winter, how to plan for winter production and more.