1. Enhanced root nodulation of subterranean clover (Trifolium subterraneum) byRhizobium leguminosarium biovartrifolii in the presence of the earthwormAporrectodea trapezoides (Lumbricidae)

   • B. M. Doube
   • M. H. Ryder
   • P. M. Stephens

   Original Paper Pages: 169 - 174

2. Decomposition of different organic materials in soils

   • H. A. Ajwa
   • M. A. Tabatabai

   Original Paper Pages: 175 - 182

3. Structure of the nematofauna in Spanish Mediterranean continental soils

   • G. Nombela
   • A. Navas
   • A. Bello

   Original Paper Pages: 183 - 192

4. Effect of agroforestry woody species on earthworm activity and physicochemical properties of worm casts

   • B. T. Kang
   • F. K. Akinnifesi
   • J. L. Pleysier

   Original Paper Pages: 193 - 199

5. Impact of pasture contamination by copper, chromium, arsenic timber preservative on soil biological activity

   • G. W. Yeates
   • V. A. Orchard
   • M. C. C. Hermans

   Original Paper Pages: 200 - 208

6. Changes in aggregate stability, nutrient status, indigenous microbial populations, and seedling emergence, following inoculation of soil withNostoc muscorum

   • S. L. Rogers
   • R. G. Burns

   Original Paper Pages: 209 - 215

7. Use of organic phosphorus byRhizobium leguminosarum biovarviceae phosphatases

   • Mohamed H. Abd-Alla

   Original Paper Pages: 216 - 218

8. Effects of nitrogen fertiliser and pesticide management on floodwater ecology in a wetland ricefield

   • Ian C. Simpson
   • Pierre A. Roger
   • Ian F. Grant

   Original Paper Pages: 219 - 227

9. Efficacy of root litter as a biofertiliser

   • Manju Bansal
   • Krishna G. Mukerji

   Original Paper Pages: 228 - 230

10. Time-course of nitrogen fixation in two bambara groundnut (Vigna subterranea L. Verdc.) cultivars

    • F. Kumaga
    • S. K. A. Danso
    • F. Zapata

    Original Paper Pages: 231 - 236

11. Water-manure interactions on ammonia volatilization

    • R. Gordon
    • P. Schuepp

    Original Paper Pages: 237 - 240

12. The use of resource patches by earthworms

    • M. S. Hughes
    • C. M. Bull
    • B. M. Doube

    Original Paper Pages: 241 - 244

13. Methane emission from flooded rice fields under irrigated conditions

    • T. K. Adhya
    • Amarendra K. Rath
    • N. Sethunathan

    Original Paper Pages: 245 - 248

14. Effects of ammonium and nitrate on the growth of vesicular-arbuscular mycorrhizalErythrina poeppigiana O.I. Cook seedlings

    • G Cuenca
    • R. Azcón

    Original Paper Pages: 249 - 254

15. Oxalate-metabolizing microorganisms in sagebrush steppe soil

    • Sherri J. Morris
    • Michael F. Allen

    Original Paper Pages: 255 - 259

16. Chemiluminescence analysis of nitric oxide in small-volume samples by a modified injection method

    • Ronald A. Kester
    • Albert G. Wijlhuizen
    • Hendrikus J. Laanbroek

    Short Communication Pages: 260 - 262