Sentences with phrase «concentrations on crop production»

Not exact matches

U.S. Department of Agriculture data tables provide evidence for the importance of the eight Midwest states for U.S. agricultural production.3 Evidence for the effect of future elevated carbon dioxide concentrations on crop yields is based on scores of greenhouse and field experiments that show a strong fertilization response for C3 plants such as soybeans and wheat and a positive but not as strong a response for C4 plants such as corn.

The results of this model - based study fall in line with the previous work of Idso (2013), who calculated similar CO2 - induced benefits on global crop production by mid-century based on real - world experimental data, both of which studies reveal that policy prescriptions designed to limit the upward trajectory of atmospheric CO2 concentrations can have very real, and potentially serious, repercussions for global food security.