Figure 1
From: Improving “color rendering” of LED lighting for the growth of lettuce

Comparison of absorption spectrum of fresh lettuce leaf with spectra of sunlight and white fluorescent light (a) and absorption spectrum of the fresh leaf (b).
From: Improving “color rendering” of LED lighting for the growth of lettuce
Comparison of absorption spectrum of fresh lettuce leaf with spectra of sunlight and white fluorescent light (a) and absorption spectrum of the fresh leaf (b).