You are trying to prove a man made theory effecting our natural environment with a computer model and flawed science
Nature has shown us with irrefutable proof more co2 more yield. Optimum yield is at co2 levels between 700-900 ppm, that is fact, in this environment a plant grows at its peak performance ... fact , the whole gardening, hydroponic and horticultural industries world wide are not lying they all say the same thing .
