Are Plants Able To Absorb Calcium Phosphate Molecule Through Stomata via Foliar Feeding?

[MakaveliTheDon]

Are Plants Able To Absorb Calcium Phosphate Molecule Through Stomata via Foliar Feeding?
I'm asking because id like to foliar feed calcium kelp and some extra P during the first 2/3 of the flowering phase.

 

[Jack og]

Yes but calcium nitrate cal phos molecules are too big for proper absorption