Carbon and nitrogen budgets of nematodes in arable soil B. SohleniusS. BoströmA. Sandor OriginalPaper Pages: 1 - 8
Microbial biomass and activity in urban soils contaminated with Zn and Pb H. OhyaS. FujiwaraM. Yamaguchi OriginalPaper Pages: 9 - 13
Dynamics of algal populations and acetylene-reducing activity in five rice soils inoculated with blue-green algae P. M. ReddyP. A. Roger OriginalPaper Pages: 14 - 21
Nitrogen contribution to wetland rice by green manuring with Sesbania spp. in an alkaline soil S. K. GhaiD. L. N. RaoL. Batra OriginalPaper Pages: 22 - 25
Sulfur mineralization rates and potentials of soils H. J. PirelaM. A. Tabatabai OriginalPaper Pages: 26 - 32
Carbon and nitrogen mineralization in subarctic agricultural and forest soils S. D. SparrowV. L. Cochran OriginalPaper Pages: 33 - 38
Presence and dispersal of infective Frankia in peat and meadow soils in Sweden Agneta S. ArvebyKerstin Huss-Danell OriginalPaper Pages: 39 - 44
Fractions of soil nitrogen during different periods of submergence and their effects on yield and nutrition of wetland rice (Oryza sativa L.) S. P. Mohapatra OriginalPaper Pages: 45 - 49
Assessment of the effects of the photosynthesis-inhibiting herbicides Diuron, DCMU, metamitron and metribuzin on growth and nitrogenase activity of Nostoc muscorum and a new cyanobacterial isolate, strain G4 D. Gadkari OriginalPaper Pages: 50 - 54
Effect of indigenous and introduced vesicular-arbuscular mycorrhizal fungi on growth and phosphorus uptake of Trifolium pratense and on inorganic phosphorus fractions in a cambisol M. J. SainzJ. Arines OriginalPaper Pages: 55 - 60
A simple biomonitor for measuring ammonia deposition in rural areas S. G. Sommer OriginalPaper Pages: 61 - 64
Possible influence of Rhizobium on VA mycorrhiza metabolic activity in double symbiosis of alfalfa plants (Medicago sativa L.) grown in a pot experiment D. PicciniJ. A. OcampoE. J. Bedmar OriginalPaper Pages: 65 - 67
Short-term assay of soil urease activity using colorimetric determination of ammonium E. KandelerH. Gerber OriginalPaper Pages: 68 - 72
Phytotron studies to compare nitrogen losses from corn-planted soil by the 15-N balance or direct dinitrogen and nitrous oxide measurements O. HeinemeyerK. HaiderA. Mosier OriginalPaper Pages: 73 - 77
Effect of chemical composition on the release of nitrogen from agricultural plant materials decomposing in soil under field conditions M. M. MüllerV. SundmanA. Meriläinen OriginalPaper Pages: 78 - 83
Establishment and effectiveness of added pigeonpea (Cajanus cajan) rhizobia in different soils of narrow abiotic variability B. S. SidhuR. BaruahV. Beri OriginalPaper Pages: 84 - 88
Spatial and temporal distribution of nitrogen in a puddled rice soil following application of urea-based fertilizers by different methods D. PandaH. S. SenS. Patnaik OriginalPaper Pages: 89 - 92