1. Phosphorus and nitrogen dynamics during field incubations in forest and fallow subarctic soils

   • E. B. Sparrow
   • S. D. Sparrow
   • V. L. Cochran

   OriginalPaper Pages: 243 - 248

2. Effect of cattle slurry in grassland on microbial biomass and on activities of various enzymes

   • Ellen Kandeler
   • Gerfried Eder

   OriginalPaper Pages: 249 - 254

3. The effect of collembolan grazing on fungal activity in differently managed upland pastures: A microcosm study

   • R. D. Bardgett
   • J. B. Whittaker
   • J. C. Frankland

   OriginalPaper Pages: 255 - 262

4. Chaotic or deterministic development of nematode populations in pine forest humus incubated in the laboratory

   • Björn Sohlenius

   OriginalPaper Pages: 263 - 268

5. Change in N fractions during composting of wheat straw

   • C. G. Bannick
   • R. G. Joergensen

   OriginalPaper Pages: 269 - 274

6. Effect of residue placement and chemical fertilizer on soil microbial biomass under tropical dryland cultivation

   • Hema Singh
   • K. P. Singh

   OriginalPaper Pages: 275 - 281

7. Protozoan bioassays of soil amended with sewage sludge and heavy metals, using the common soil ciliate Colpoda steinii

   • T. A. Forge
   • M. L. Berrow
   • A. Warren

   OriginalPaper Pages: 282 - 286

8. Microbial biomass P, labile P, and acid phosphatase activity in the humus layer of a spruce forest, after repeated additions of fertilizers

   • M. Clarholm

   OriginalPaper Pages: 287 - 292

9. Effects of organic manure and NPK fertilization on earthworm activity in an Oxisol

   • S. C. Tiwari

   BriefCommunication Pages: 293 - 295

10. The diet and food preferences of Onychiurus procampatus (Collembola) from upland grassland soils

    • R. D. Bardgett
    • J. B. Whittaker
    • J. C. Frankland

    BriefCommunication Pages: 296 - 298

11. Effect of nitrogen application on the A _N value of soil

    • R. Senaratne

    BriefCommunication Pages: 299 - 301

12. The effect of tropical forest conversion on soil microbial biomass

    • S. Basu
    • N. Behera

    BriefCommunication Pages: 302 - 304

13. Electron microscopic characterisation of iron and manganese oxide/hydroxide precipitates from agricultural field drains. 1

    • M. E. Akhtar
    • W. I. Kelso

    OriginalPaper Pages: 305 - 312

14. Apparent availability of nitrogen in composted municipal refuse

    • E. Iglesias-Jimenez
    • C. E. Alvarez

    OriginalPaper Pages: 313 - 318

15. Announcement

    Announcement Pages: I - I