Biological nitrogen fixation in faba bean (Vicia faba L.) in the Ethiopian highlands as affected by P fertilization and inoculation G. AmanuelR. F. KühneP. L. G. Vlek ORIGINAL PAPER Pages: 353 - 359
Tillage practice influences on the physical protection, bioavailability and composition of particulate organic matter M. M. WanderM. G. Bidart ORIGINAL PAPER Pages: 360 - 367
Metabolic and physiological characteristics of salt-tolerant strains of Bradyrhizobium spp. Faviana BarbozaNéstor S CorreaSusana B. Rosas ORIGINAL PAPER Pages: 368 - 373
Soil aggregate stabilization by a saprophytic lignin-decomposing basidiomycete fungus I. Microbiological aspects T.-C. Caesar-TonThatV. L. Cochran ORIGINAL PAPER Pages: 374 - 380
Chemical and biochemical properties as potential indicators of disturbances R. M. PalmaN. M. ArrigoM. E. Conti ORIGINAL PAPER Pages: 381 - 384
Denitrification enzyme activity is limited by soil aeration in a wastewater-irrigated forest soil L. BartonL. A. SchipperC. D. A. McLay ORIGINAL PAPER Pages: 385 - 389
Structure and function of the soil microbial community in microhabitats of a heavy metal polluted soil E. KandelerD. TscherkoW. Amelung ORIGINAL PAPER Pages: 390 - 400
Interactions between a vesicular-arbuscular mycorrhizal fungus (Glomus intraradices) and Streptomyces coelicolor and their effects on sorghum plants grown in soil amended with chitin of brawn scales G. M. Abdel-FattahA. H. Mohamedin ORIGINAL PAPER Pages: 401 - 409
Effect of solid waste compost on microbiological and physical properties of a burnt forest soil in field experiments C. GuerreroI. GómezM. T. Hernández ORIGINAL PAPER Pages: 410 - 414
Activity and stability of jack bean urease in the presence of peat humic acids obtained using different extractants C. MarzadoriOrnella FranciosoCarlo Gessa ORIGINAL PAPER Pages: 415 - 420
Initial organic matter transformation of soil amended with composted sewage sludge L. Hernández-ApaolazaJ. M. GascóF. Guerrero ORIGINAL PAPER Pages: 421 - 426
Soil layer-specific variability in net nitrification and denitrification in an acid coniferous forest A. M. LavermanH. R. ZoomerH.A. Verhoef ORIGINAL PAPER Pages: 427 - 434
The effect of long-term fertilization with organic or inorganic fertilizers on mycorrhiza-mediated phosphorus uptake in subterranean clover E. J. Joner ORIGINAL PAPER Pages: 435 - 440