1. Effects of iron pollution on macroinvertebrates promoting organic matter transformation in soils of Presila Cosentina (Italy)

   • E. Aloj Totaro
   • L. Lucadamo
   • R. Gervasi

   OriginalPaper Pages: 223 - 229

2. Nitrogen turnover rates in a riparian fen determined by ¹⁵N dilution

   • Per Ambus
   • Arvin Mosier
   • Søren Christensen

   OriginalPaper Pages: 230 - 236

3. Initial formation of soil organic matter from grass residues in a long-term experiment

   • H. -R. Schulten
   • P. Leinweber
   • G. Reuter

   OriginalPaper Pages: 237 - 245

4. Fluctuations in bacterial populations on the root surface of wheat (Triticum aestivum L.) grown under different soil conditions

   • Hong-Ying Jiang
   • K. Sato

   OriginalPaper Pages: 246 - 252

5. Decomposition in forest and fallow subarctic soils

   • Stephen D. Sparrow
   • Elena B. Sparrow
   • Verlan L. Cochran

   OriginalPaper Pages: 253 - 259

6. Spatial variability of earthworm populations in a permanent polder grassland

   • A. Stein
   • R. M. Bekker
   • H. Rogaar

   OriginalPaper Pages: 260 - 266

7. Labile ester sulphate in organic matter extracted from podzolic soils

   • G. Lou
   • P. R. Warman

   OriginalPaper Pages: 267 - 271

8. Sulphur mineralization and release of soluble organic sulphur from camp and non-camp soils of grazed pastures receiving long-term superphosphate applications

   • M. L. Nguyen
   • K. M. Goh

   OriginalPaper Pages: 272 - 279

9. Determination of microbial mineralization activity in soil by modified Wright and Hobbie method

   • N. S. Panikov
   • S. A. Blagodatsky
   • M. V. Glagolev

   OriginalPaper Pages: 280 - 287

10. Interrelationship between extracellular enzyme activity, ATP content, total counts of bacteria and CO₂ evolution

    • F. Asmar
    • F. Eiland
    • N. E. Nielsen

    OriginalPaper Pages: 288 - 292

11. Effect of nitrogen levels and Rhizobium strains on symbiotic N₂ fixation and grain yield of Phaseolus vulgaris L. genotypes in normal and saline-sodic soils

    • Raman Rai

    OriginalPaper Pages: 293 - 299

12. Influence of soil ingestion by earthworms on the availability of potassium in soil: An incubation experiment

    • A. Basker
    • A. N. Macgregor
    • J. H. Kirkman

    OriginalPaper Pages: 300 - 303