Effectiveness of foreign bradyrhizobia strains in enhancing nodulation, dry matter and seed yield of soybean (Glycine max L.) cultivars in Nigeria G. U. OkerekeC. OnochieE. Onyeagba ORIGINAL PAPER Pages: 3 - 9
Nitrogen transformations in copper-contaminated soils and effects of lime and compost application on soil resiliency O. KostovOswald Van Cleemput ORIGINAL PAPER Pages: 10 - 16
Microbial community structure and characteristics of the organic matter in soils under Pinus sylvestris, Picea abies and Betula pendula at two forest sites Outi PrihaSusan J. GraystonA. Smolander ORIGINAL PAPER Pages: 17 - 24
Dinitrogen fixation activity of Azorhizobium caulinodans in the rice (Oryza sativa L.) rhizosphere assessed by nitrogen balance and nitrogen-15 dilution methods C. Van NieuwenhoveR. MerckxKarel Vlassak ORIGINAL PAPER Pages: 25 - 32
Land use effects on amino sugar signature of chromic Luvisol in the semi-arid part of northern Tanzania D. SolomonJ. LehmannW. Zech ORIGINAL PAPER Pages: 33 - 40
Influence of fallow, wheat and subterranean clover on pH within an initially mixed surface soil in the field K. I. PaulA. Scott BlackMark K. Conyers ORIGNAL PAPER Pages: 41 - 52
Organic carbon content under different types of land use and soil in peninsular Spain Juan Carlos RodrÃguez-Murillo ORIGINAL PAPER Pages: 53 - 61
Effects of Collembola on plant-pathogenic fungus interactions in simple experimental systems M. A. SabatiniGloria Innocenti ORIGINAL PAPER Pages: 62 - 66
Kinetics of soil microbial uptake of free amino acids L. C. VinolasJ. R. HealeyD. L. Jones ORIGINAL PAPER Pages: 67 - 74
Effect of plant residue return on the development of surface soil pH gradients K. I. PaulA. S. BlackM. K. Conyers ORIGINAL PAPER Pages: 75 - 82
Enzymatic activity of ectendomycorrhizal fungi K. RedlakH. DahmE. Strzelczyk ORIGINAL PAPER Pages: 83 - 90
