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Contact: Diana Yates
University of Illinois at Urbana-Champaign

Andrew Leakey, University of Illinois

Caption: University of Illinois plant biology professor Andrew Leakey and colleagues report that levels of zinc, iron and protein drop in some key crop plants when grown at elevated CO2 levels.

Credit: L. Brian Stauffer

Usage Restrictions: Image may be used only to accompany stories about the research described in this release. Credit required: L. Brian Stauffer

Related news release: As CO2 levels rise, some crop nutrients will fall

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