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Life on Earth - Biological Concepts From the Non-Science Major Perspective

I think that the photosynthesis reaction is a very efficient system. I
wonder if there is a way to see if more intense light actually helps the
plant grow better, or if just being in sunlight under any intensity
yields the same amount of work.

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Normally the light intensity that the plant gets and uses is sufficient to allow its leaves to utilize 5 mg of Carbon di oxide per hour in photosynthesis. This is coupled with the amount of CO2 available as well. But at a certain point of CO2 concentration [that is 5 mg per hour], the rate of photosynthesis does not increase because of the limiting role of CO2.

Since light is one of ...