Web Date: August 18, 2011
Crops Collect More Cadmium As Carbon Dioxide Builds
As human activity sends ever more carbon dioxide into the air, plants may grow faster and pull more nutrients from the soil. Now a study in food crops finds that as levels of CO2 increase, rice and wheat also take up more of the toxic metal cadmium (Environ. Sci. Technol., DOI: 10.1021/es2001584).
In a 29-month study, researchers led by Hongyan Guo, from Nanjing University, and Jianguo Zhu, of the Chinese Academy . . .
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