Sentences with phrase «optimum plant photosynthesis»

And as to his claim that there may be «places around the world where global warming will lead to less crop success and yield, even when taking into account the carbon dioxide fertilization effect,» he appears to be equally ignorant that rising levels of atmospheric CO2 tend to raise the temperature of optimum plant photosynthesis beyond the predicted temperature values associated with global warming, effectively nullifying this worn out claim (Idso & Idso, 2011).