RedOrbit: Atmospheric carbon dioxide content continues its climb, heating up the climate. For plants, however, the gas is a necessary part of their survival. It provides the carbon needed to produce glucose and other important substances, leading scientists to question if more carbon dioxide is better. The answer isn`t as simple as that, unfortunately. The plants used for our most basic food supply today have not been bred for vertical growth. Rather, they were bred for short stalks and a high yield of...
URL: http://www.redorbit.com/news/science/1112739946/rice-grain-crop-yield-carbon-dioxide-ir8-120112/
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