ARTIFICIAL LIGHTING
“A grower may know how much light at certain wavelengths is
hitting a square meter every second. But how many seconds of that
light does the plant need? That’s the question that DLI answers.”
PAR – (measured in micromoles/
sec-m2) is the measure of the
photosynthetically active radiation,
or the useful light energy to plants
at a given point in space. A PAR
measurement by itself