Most species experience fertilization effect from CO2 all the way to 1000+ PPM, some to 2000PPM. Higher CO2 concentration reduces the loss of water, since the s

Most species experience fertilization effect from CO2 all the way to 1000+ PPM, some to 2000PPM. Higher CO2 concentration reduces the loss of water, since the stomata don't need to be open as long. https://en.wikipedia.org/wiki/Stomatal_conductance https://en.wikipedia.org/wiki/Stomatal_conductance