1. Ryegrass straw component decomposition during mesophilic and thermophilic incubations

   • W. R. Horwath
   • Lloyd F. Elliott

   Original Paper Pages: 227 - 232

2. Influence of different temperatures on metal tolerance measurements and growth response in bacterial communities from unpolluted and polluted soils

   • Montserrat Díaz-Raviña
   • Erland Bååth

   Original Paper Pages: 233 - 238

3. Microbial biomass and N transformations in two soils cropped with annual and perennial species

   • Martin H. Chantigny
   • Danielle Prévost
   • François-P. Chalifour

   Original Paper Pages: 239 - 244

4. A biologically based indicator of soil quality

   • Vladimir Yakovchenko
   • Lawrence J. Sikora
   • Donald D. Kaufman

   Original Paper Pages: 245 - 251

5. Nitrogen transformations in tropical soils under conventional and sustainable farming systems

   • W. L. Chao
   • H. J. Tu
   • C. C. Chao

   Original Paper Pages: 252 - 256

6. Influence of soluble carbohydrates, free amino acids, and protein content on the decomposition of Lolium multiflorum shoots

   • H. Marstorp

   Original Paper Pages: 257 - 263

7. Ameliorating subsoil acidity by surface application of calcium fulvates derived from common organic materials

   • J. Liu
   • N. V. Hue

   Original Paper Pages: 264 - 270

8. Nitrogen availability to grain sorghum from organic and inorganic sources on sandy and clayey soil surfaces in a greenhouse pot study

   • D. Jordan
   • R. R. Bruce
   • D. C. Coleman

   Original Paper Pages: 271 - 276

9. Litterfall, decomposition, and nitrogen release in two age groups of trees in Casuarina equisetifolia plantations in the dry tropical Vindhyan plateau, India

   • Alok K. Srivastava
   • R. S. Ambasht

   Original Paper Pages: 277 - 283

10. Assessment of the influence of phosphate fertilizers on the microbial activity of pasture soils

    • N. S. Bolan
    • L. D. Currie
    • S. Baskaran

    Original Paper Pages: 284 - 292

11. Endophytic establishment of Azorhizobium caulinodans through auxin-induced root tumors of rice (Oryza sativa L.)

    • Christian Christiansen-Weniger

    Original Paper Pages: 293 - 302

12. External phosphorus requirement of mycorrhizal and non-mycorrhizal barley and soybean plants

    • C. Plenchette
    • C. Morel

    Original Paper Pages: 303 - 308

13. Direct monitoring of Rhizobium sp. (Cicer) in nodules and soil using lac Z fusions

    • D. V. Kamboj
    • P. K. Sharma
    • B. S. Kundu

    Original Paper Pages: 309 - 313

14. Estimating microbial biomass N in soils with and without living roots: Limitations of a pre-extraction step

    • H. -W. Olfs
    • H. W. Scherer

    Original Paper Pages: 314 - 318

15. Effects of inorganic fertilizers and micronutrients on methane production from wetland rice (Oryza sativa L.)

    • A. Banik
    • M. Sen
    • S. P. Sen

    Short Communication Pages: 319 - 322