The global nitrogen cycle: past, present and future.

  title={The global nitrogen cycle: past, present and future.},
  author={James N. Galloway},
  journal={Science in China. Series C, Life sciences},
  volume={48 Spec No},
Food and energy production converts N2 to reactive N species that cascade through environmental reservoirs and in the process impact human and ecosystem health. This presentation will examine the impact of increased N mobilization on the global N cycle by contrasting N distribution in the late-19th century with those of the late-20th century. The presentation will give a general overview of regional differences and will conclude with a projection of the global N cycle for 2050. 

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