True, but what part is not needed?.... and aesthetically, the plant will not look "normal" to the human eye otherwise.
If we start looking at the needs of accessory pigments the spectral distribution becomes much more complex
In addition to the need of preventing botrytis sporation or facilitating trichoderma sporation...
and we are back to ford vs. chevy, harley vs. honda, M16 vs. AK47, excellent arguments from both sides.
no one ring to rule them all