Author : Hungate, B. A. Dukes, J. S. Shaw, M. R. Luo, Y. Q. Field, C. B.
Year : 2003
Title : Nitrogen and climate change
Journal : Science
Comment : Soil and tree C:N increases with atmospheric CO2 concentration. When CO2 enrichment increases soil C:N, decomposing microorganisms require more nitrogen. This effect can reduce nitrogen mineralization, the main source of nitrogen for plants.