Interactions between soil organic matter status, cropping history, method of quantification and sample pretreatment and their effects on measured aggregate stability R. J. Haynes ORIGINAL PAPER Pages: 270 - 275
Effect of salinity on growth and starvation-survival of a tropical Rhizobium strain D. LippiM.R. De PaolisI. Cacciari ORIGINAL PAPER Pages: 276 - 283
Carbon decomposition of the topsoils and soil fractions under forest and pasture in the western Brazilian Amazon basin, Rondônia L. -S. KoutikaTh. ChonéC. C. Cerri ORIGINAL PAPER Pages: 284 - 287
Nitrogen mineralization and microbial activity in permanent pastures amended with nitrogen fertilizer or dung D. J. HatchR. D. LovellP. M. Owen ORIGINAL PAPER Pages: 288 - 293
Seasonal changes of microbial biomass carbon related to climatic factors in soils from karst areas of southwest China H. C. PiaoY. T. HongZ. Y. Yuan ORIGINAL PAPER Pages: 294 - 297
Carbon, nitrogen and phosphorus mineralization of tree leaves and manure P. L. MafongoyaP. BarakJ. D. Reed ORIGINAL PAPER Pages: 298 - 305
Enzymatic hydrolysis of soil organic phosphorus by immobilized phosphatases H. K. PantP. R. Warman ORIGINAL PAPER Pages: 306 - 311
Effects of a sulfonylurea herbicide on soil microarthropods L. RebecchiM. A. SabatiniR. Bertolani ORIGINAL PAPER Pages: 312 - 317
Effect of climate, soil type and earthworm activity on nitrogen transfer from a nitrogen-15-labelled decomposing material under field conditions J. CortezG. BillesM. B. Bouché ORIGINAL PAPER Pages: 318 - 327
An evaluation of plant-available soil nitrogen in selected sandy soils by electro-ultrafiltration, KCl, and CaCl2 extraction methods H. DouA. K. AlvaT. Appel ORIGINAL PAPER Pages: 328 - 332
How increasing availabilities of carbon and nitrogen affect atrazine behaviour in soils R. AbdelhafidS. HouotE. Barriuso ORIGINAL PAPER Pages: 333 - 340
Differences in burrowing behaviour and spatial interaction between the two earthworm species Aporrectodea nocturna and Allolobophora chlorotica Y. Capowiez ORIGINAL PAPER Pages: 341 - 346
Aging effect on enzyme activities in pressmud vermicasts of Lampito mauritii (Kinberg) and Eudrilus eugeniae (Kinberg) K. ParthasarathiL. S. Ranganathan ORIGINAL PAPER Pages: 347 - 350
Properties of protease extracted from tea-field soil Y. KamimuraK. Hayano ORIGINAL PAPER Pages: 351 - 355
Distribution of nitrogen pools in the soil profile of undisturbed and reseeded grasslands A. BhogalD. V. MurphyK. W. T. Goulding ORIGINAL PAPER Pages: 356 - 362