Qingwu (William) Meng and Erik Runkle

Fixed vs. dynamic light quality for indoor hydroponic lettuce

Tailoring the light spectrum for each growth phase

Far-red and PPFD: A tale of two lettuce cultivars

Effects of far-red light depend on the PPFD and plant age.

Differentiating broad spectra

Substituting white light with red and/or blue light influences lettuce production.

LEDs on lettuce: White light versus red + blue light

A closer look at a lighting debate from the crop production perspective

Green & far-red LED lighting

Indoor production of leafy greens, Part I: Substituting green or far-red light for blue light can increase lettuce and kale yields.