1. The rhizosphere effect of tea on soil microbes in a Himalayan monsoonal location

   • A. Pandey
   • L. M. S. Palni

   Original Paper Pages: 131 - 137

2. Microbiological processes in soil organic phosphorus transformations in conventional and biological cropping systems

   • A. Oberson
   • J. M. Besson
   • H. Sticher

   Original Paper Pages: 138 - 148

3. Symbiotic efficiency of Sesbania rostrata and S. cannabina as affected by agronomic practices

   • L. B. Patel
   • B. S. Sidhu
   • V. Beri

   Original Paper Pages: 149 - 151

4. Influence of thiosulfate on nitrification, denitrification, and production of nitric oxide and nitrous oxide in soil

   • O. A. L. O. Saad
   • S. Lehmann
   • R. Conrad

   Original Paper Pages: 152 - 159

5. Endomycorrhizae in a newly cultivated acidic meadow: Effects of three years of barley cropping, tillage, lime, and phosphorus on root colonization and soil infectivity

   • Chantal Hamel
   • Yolande Dalpé
   • Donald L. Smith

   Original Paper Pages: 160 - 165

6. Influence of the N and P status of plant material and of added N and P on the mineralization of C from ¹⁴C-labelled ryegrass in soil

   • M. V. Cheshire
   • S. J. Chapman

   Original Paper Pages: 166 - 170

7. Volume density of earthworm burrows in compacted cores of soil as estimated by direct and indirect methods

   • J. R. Hirth
   • B. M. McKenzie
   • J. M. Tisdall

   Original Paper Pages: 171 - 176

8. Microbial and enzyme activity in soils amended with a natural source of easily available carbon

   • Abdullah M. K. Falih
   • M. Wainwright

   Original Paper Pages: 177 - 183

9. Persistence of introduced Glomus intraradices in the field as influenced by repeated inoculation and cropping system

   • K. M. Harinikumar
   • D. J. Bagyaraj

   Original Paper Pages: 184 - 188

10. Nitrate alters the flavonoid profile and nodulation in pea (Pisum sativum L.)

    • Amal K. Bandyopadhyay
    • Veena Jain
    • Himmat S. Nainawatee

    Original Paper Pages: 189 - 192

11. Maize genotype effects on the response to Azospirillum inoculation

    • I. García de Salomone
    • J. Döbereiner

    Original Paper Pages: 193 - 196

12. Occurrence of the endophytic diazotrophs Herbaspirillum spp. in roots, stems, and leaves, predominantly of Gramineae

    • Fabio L. Olivares
    • Vera L. D. Baldani
    • Johanna Döbereiner

    Original Paper Pages: 197 - 200

13. Effect of food type and placement on earthworm (Aporrectodea tuberculata) burrowing and soil turnover

    • Sabrina M. F. Cook
    • Dennis R. Linden

    Original Paper Pages: 201 - 206

14. Integration of multiple soil parameters to evaluate soil quality: a field example

    • Jonathan J. Halvorson
    • Jeffrey L. Smith
    • Robert I. Papendick

    Original Paper Pages: 207 - 214

15. The effects of live and dead roots on soil fungi in spodosolic soils of the New Jersey Pinelands

    • Weixing Zhu
    • Joan G. Ehrenfeld
    • Xingguo Han

    Original Paper Pages: 215 - 226