| Elevated Atmospheric CO2 Impacts Carbon Dynamics in a C4-Sorghum-Soil Agroecosystem---An Application of Stable Carbon Isotopes (d13C) in Tracing the Fate of Carbon in the Atmosphere-Plant-Soil Ecosystem (2005) | |||||||||
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| Dissertation (PhD)--University of Arizona, Tucson, Arizona, 2005. | |||||||||
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