Emerson effect

From his name this is called Emerson Effect.

"The Emerson Effect" (Jack McDevitt)

McDevitt's first published story was "The Emerson Effect" in The Twilight Zone Magazine in 1981.

The Emerson effect is the increase in the rate of photosynthesis after exposure to light of wavelength 670 nm far red light and 700 nm, red light respectively.