1. Relationship between N immobilization and volatile fatty acids in soil after application of pig and cattle slurry

   • Holger Kirchmann
   • Anders Lundvall

   OriginalPaper Pages: 161 - 164

2. Influence of compost and lime on population structure and element concentrations of forest soil invertebrates

   • B. R. Mueller
   • M. Roth
   • P. Rittner

   OriginalPaper Pages: 165 - 173

3. Methane mitigation in flooded Louisiana rice fields

   • C. W. Lindau
   • P. K. Bollich
   • K. F. Bronson

   OriginalPaper Pages: 174 - 178

4. Comparison of two chemical methods for extracting residual N fertilizer

   • D. E. Clay
   • G. L. Malzer

   OriginalPaper Pages: 179 - 184

5. Changes in respiration rate and some physicochemical properties of soil during gut transit through Allolobophora molleri (Lumbricidae, Oligochaeta)

   • D. Trigo
   • P. Lavelle

   OriginalPaper Pages: 185 - 188

6. Five-year trends in soil arthropod densities in pine forests with various levels of vitality

   • R. F. Hogervorst
   • H. A. Verhoef
   • N. M. van Straalen

   OriginalPaper Pages: 189 - 195

7. Denitrifying ability of indigenous strains of Bradyrhizobium japonicum isolated from fields under paddy-upland rotation

   • Susumu Asakawa

   OriginalPaper Pages: 196 - 200

8. Migration of bacterial-feeding nematodes, but not protozoa, to decomposing grass residues

   • B. S. Griffiths
   • S. Caul

   OriginalPaper Pages: 201 - 207

9. Light-stimulated ¹⁴CO₂ uptake and acetylene reduction by bacteriochlorophyll containing stem nodule isolate BTAi 1

   • Mariangela Hungria
   • Joan M. Ellis
   • Allan R. J. Eaglesham

   OriginalPaper Pages: 208 - 214

10. N supply by groundnuts to maize in a maize plus groundnut intercropping system, as affected by the genotype

    • R. Senaratne
    • D. S. Ratnasinghe

    OriginalPaper Pages: 215 - 219

11. Melanogenic actinomycetes (Streptomyces spp.) from Brazilian soils

    • R. R. R. Coelho
    • L. F. Linhares

    OriginalPaper Pages: 220 - 224

12. Urea N uptake efficiency of ryegrass (Lolium perenne L.) in the presence of urease inhibitors

    • Li Liantie
    • Z. P. Wang
    • L. Baert

    OriginalPaper Pages: 225 - 228

13. Earthworm effects on selected physical and chemical properties of soil aggregates

    • H. Zhang
    • S. Schrader

    OriginalPaper Pages: 229 - 234

14. Effect of methods of application on the efficiency of urea broadcast onto lowland rice (Oryza sativa L.)

    • S. Phongpan
    • B. H. Byrnes

    OriginalPaper Pages: 235 - 240