Spatial and seasonal distribution of organic amendments affecting methane emission from Chinese rice fields R. WassmannM. TölgM. X. Wang Original Paper Pages: 191 - 195
Effects of the urease inhibitor N-(n-butyl)phosphorothioic triamide in low concentrations on ammonia volatilization and evolution of mineral nitrogen L. Vittori AntisariC. MarzadoriC. Gessa Original Paper Pages: 196 - 201
Effect of tillage and residue management on enzyme activities in soils S. P. DengM. A. Tabatabai Original Paper Pages: 202 - 207
Effect of tillage and residue management on enzyme activities in soils S. P. DengM. A. Tabatabai Original Paper Pages: 208 - 213
Mineralization of carbon and nitrogen, and nitrification in Scots pine forest soil treated with fast- and slow-release nitrogen fertilizers T. AarnioP. J. Martikainen Original Paper Pages: 214 - 220
Effects of chitin amendment of soil on microorganisms, nematodes, and growth of white clover (Trifolium repens L.) and perennial ryegrass (Lolium perenne L.) S. U. SarathchandraR. N. WatsonF. J. Neville Original Paper Pages: 221 - 226
Effects of sod-cutting on the nematode community of a secondary forest of Pinus sylvestris L. Ron G. M. de Goede Original Paper Pages: 227 - 236
Actinomycetes in organic mulch used in avocado plantations and their ability to suppress Phytophthora cinnamomi M. P. YouK. SivasithamparamD. I. Kurtböke Original Paper Pages: 237 - 242
Influence of polychlorinated biphenyls on microbial biomass and its activity in grassland soil L. DušekM. Tesařová Original Paper Pages: 243 - 247
Significance of soil microorganisms for the mobilization of nonexchangeable ammonium H. W. SchererW. Werner Original Paper Pages: 248 - 251
Effect of soil characteristics on N mineralization capacity in 112 native and agricultural soils from the northwest of Spain S. J. González-PrietoA. CabaneiroM. Carballas Original Paper Pages: 252 - 260
Changes in soil fungal:bacterial biomass ratios following reductions in the intensity of management of an upland grassland Richard D. BardgettPhilip J. HobbsÅsa Frostegård Original Paper Pages: 261 - 264
Use of poultry manure and plant cultivation for the reclamation of burnt soils F. J. VázquezV. PetrikovaT. Carballas Original Paper Pages: 265 - 271
Manganese-oxidizing ability of isolates of the take-all fungus is correlated with virulence J. F. PedlerM. J. WebbR. D. Graham Original Paper Pages: 272 - 278
Transformation of fertilizer P in a Vertisol amended with farmyard manure K. Sammi ReddyA. Subba RaoP. N. Takkar Original Paper Pages: 279 - 282
Increasing urea-N efficiency in transplanted lowland rice by urea solution band placement P. DevasenapathySP. Palaniappan Original Paper Pages: 283 - 286