1. Factors influencing nitrous oxide and methane emissions from minerotrophic fens in northeast Germany

   • J. Augustin
   • W. Merbach
   • J. Rogasik

   ORIGINAL PAPER Pages: 1 - 4

2. Extractability of microbial N as influenced by C : N ratio in the flush after drying or fumigation

   • S. A. Blagodatsky
   • I. V. Yevdokimov

   ORIGINAL PAPER Pages: 5 - 11

3. Denitrification in intact subsoil cores

   • K. Castle
   • J. R. M. Arah
   • A. J. A. Vinten

   ORIGINAL PAPER Pages: 12 - 18

4. Diversity of denitrifying microflora and ability to reduce N2O in two soils

   • D. Chèneby
   • A. Hartmann
   • J. C. Germon

   ORIGINAL PAPER Pages: 19 - 26

5. Methane oxidation in arable soil as inhibited by ammonium, nitrite, and organic manure with respect to soil pH

   • B. W. Hütsch

   ORIGINAL PAPER Pages: 27 - 35

6. Nitrous oxide release from arable soil: importance of perennial forage crops

   • E.-A. Kaiser
   • K. Kohrs
   • O. Heinemeyer

   ORIGINAL PAPER Pages: 36 - 43

7. Long-term large N and immediate small N addition effects on trace gas fluxes in the Colorado shortgrass steppe

   • A. R. Mosier
   • W. J. Parton
   • S. Phongpan

   ORIGINAL PAPER Pages: 44 - 50

8. Field method to determine N2O emission from nitrification and denitrification

   • C. Müller
   • R. R. Sherlock
   • P. H. Williams

   ORIGINAL PAPER Pages: 51 - 55

9. The use of 15N labelling to study the turnover and utilization of ruminant manure N

   • P. Sørensen
   • E. S. Jensen

   ORIGINAL PAPER Pages: 56 - 63

10. Short-term effects of nitrogen on methane oxidation in soils

    • P. Tlustos
    • T. W. Willison
    • D. S. Powlson

    ORIGINAL PAPER Pages: 64 - 70

11. Soil microbial biomass and nitrogen supply in an irrigated lowland rice soil as affected by crop rotation and residue management

    • C. Witt
    • Kenneth G. Cassman
    • Ulrich Biker

    ORIGINAL PAPER Pages: 71 - 80

12. Lumbricus terrestris L. distribution within an experimental humus mosaic in a mountain spruce forest

    • N. Bernier
    • J.-F. Ponge

    ORIGINAL PAPER Pages: 81 - 86

13. Solubilization of zinc phosphate by a strain of Pseudomonas fluorescens isolated from a forest soil

    • C. D. Di Simine
    • J. A. Sayer
    • G. M. Gadd

    ORIGINAL PAPER Pages: 87 - 94

14. Availability of N from Casuarina residues and inorganic N to maize, using 15N isotope techniques

    • K. Ngoran
    • F. Zapata
    • N. Sanginga

    ORIGINAL PAPER Pages: 95 - 100

15. Earthworm communities in native savannas and man-made pastures of the Eastern Plains of Colombia

    • J. J. Jiménez
    • A. G. Moreno
    • R. J. Thomas

    ORIGINAL PAPER Pages: 101 - 110