1. Methane emissions associated with a green manure amendment to flooded rice in California

   • J. G. Lauren
   • G. S. Pettygrove
   • J. M. Duxbury

   OriginalPaper Pages: 53 - 65

2. Long- and short-term effects of fire on nitrogen cycling in tallgrass prairie

   • Dennis S. Ojima
   • D. S. Schimel
   • C. E. Owensby

   OriginalPaper Pages: 67 - 84

3. The effects of acid deposition on the biogeochemical cycles of major nutrients in miniature red spruce ecosystems

   • Ruth E. Sherman
   • Timothy J. Fahey

   OriginalPaper Pages: 85 - 114