How much PAR can a plant take in at one time?


Does anyone know how much PAR a plant can use at any given time?
I have heard 600 u/moles per sec i do not have anything to back that up.


There is definitely a direct correlation to the airflow as well as Co2.

I would watch this talk regarding everything lighting by Cheri Kubota (who I’ll reference in third link and use her recommendations):

Here is some good info by Cornell on lettuce, see the whole article here. Tipburn is a good example of a negative effect of an unbalanced growth recipe. What matters in this situation is the DLI, or total cumulative light for one growth day:

If you want a specific answer to your situation, read this article which cites a 800-1200 umol photosynthetic saturation point for strawberries: