Horizontal gene transfer among bacteria in terrestrial and aquatic habitats as assessed by microcosm and field studies M. DrögeA. PühlerW. Selbitschka REVIEW ARTICLE Pages: 221 - 245
Variation in competitive abilities of plants and microbes for specific amino acids D. A. LipsonT. K. RaabR. K. Monson ORIGINAL PAPER Pages: 257 - 261
Axial and radial pressure exerted by earthworms of different ecological groups M. KeudelS. Schrader ORIGINAL PAPER Pages: 262 - 269
The effect of urea and pig slurry fertilization on denitrification, direct nitrous oxide emission, volatile fatty acids, water-soluble carbon and anthrone-reactive carbon in maize-cropped soil from the Po plain (Modena, Italy) P. G. ArcaraC. GambaR. Marchetti ORIGINAL PAPER Pages: 270 - 276
Colonization of nonmycorrhizal plants by mycorrhizal neighbours as influenced by the collembolan, Folsomia candida J. N. KlironomosP. Moutoglis ORIGINAL PAPER Pages: 277 - 281
The measurement of soil fungal:bacterial biomass ratios as an indicator of ecosystem self-regulation in temperate meadow grasslands Richard D. BardgettErica McAlister ORIGINAL PAPER Pages: 282 - 290
Microbial biomass in soils of Russia under long-term management practices N. D. AnanyevaT. S. DemkinaW. C. Steen ORIGINAL PAPER Pages: 291 - 299
Biological and chemical properties of arable soils affected by long-term organic and inorganic fertilizer applications M. ŠimekD. W. HopkinsK. Trávník ORIGINAL PAPER Pages: 300 - 308
Characterization of organic matter in topsoils under rain forest and pasture in the eastern Brazilian Amazon basin L.-S. KoutikaF. AndreuxC. C. Cerri ORIGINAL PAPER Pages: 309 - 313
Characterization of the burrow system of the earthworms Lumbricus terrestris and Aporrectodea giardi using X-ray computed tomography and image analysis D. JégouV. HallaireP. Tréhen ORIGINAL PAPER Pages: 314 - 318
Interaction of biochemical quality and particle size of crop residues and its effect on the microbial biomass and nitrogen dynamics following incorporation into soil G. D. BendingMary K. Turner ORIGINAL PAPER Pages: 319 - 327
Comparison of two versions of the acetylene inhibition/soil core method for measuring denitrification loss from an irrigated wheat field T. MahmoodR. AliK. A. Malik SHORT COMMUNICATION Pages: 328 - 331
Contribution of termites to the breakdown of straw under Sahelian conditions A. MandoL. Brussaard SHORT COMMUNICATION Pages: 332 - 334
