1) "
Someone " else already have done plenty of 'studies' ,'testing' and 'experimenting" ,for us all ....
2) Some,plenty (most ? ) of people are not able to think ,let alone to be 'informed correctly ' ....
3) Not for the moment ...Tested for ~450 millions of years ,up till now ....
This 'spectrum " works for sure ...
http://bass2000.obspm.fr/solar_spect.php
A googol % truth !
4) This 'someone' has the biggest and best lab ever ....
Specially one blue little ball ,thrown in a corner ,is of great interest ....
...
(And BTW ,it's white light-to us humans,at least -that plants are utilising ..'ALL' of it ..... )
http://bass2000.obspm.fr/download/solar_spect.pdf