1. Preface

   • Robert W. Howarth

   EditorialNotes Pages: 3 - 3

2. The ecological significance of sulfur in the energy dynamics of salt marsh and coastal marine sediments

   • Robert W. Howarth

   OriginalPaper Pages: 5 - 27

3. Sulfur cycling in forests

   • D. W. Johnson

   OriginalPaper Pages: 29 - 43

4. Importance of sulphur in crop production

   • M. A. Tabatabai

   OriginalPaper Pages: 45 - 62

5. Epilimnetic sulfate reduction and its relationship to lake acidification

   • C. A. Kelly
   • J. W. M. Rudd

   OriginalPaper Pages: 63 - 77

6. Formation and mineralization of organic sulfur in forest soils

   • T. C. Strickland
   • J. W. Fitzgerald

   OriginalPaper Pages: 79 - 95

7. Sulfur cycling in grassland and parkland soils

   • D. G. Maynard
   • J. W. B. Stewart
   • J. R. Bettany

   OriginalPaper Pages: 97 - 111