
Why are Nitrogen Concentrations in Plant Tissues Lower
Why are Nitrogen Concentrations in Plant Tissues Lower under Elevated CO2? A Critical Examination of the Hypotheses Daniel R. Taub1∗ and Xianzhong Wang2 (1Biology Department and Environmental Studies Program, Southwestern University, Georgetown, Texas 78626, USA; 2Department of Biology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, USA)
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