Mineralization and volatile loss of nitrogen from soils treated with coal combustion byproducts R. SiddaramappaG. W. McCartyF. E. Codling Original Paper Pages: 279 - 284
Molecular size distribution and enzymatic degradation of organic phosphorus in root exudates of spring barley H. K. PantD. VaughanA. C. Edwards Original Paper Pages: 285 - 290
Comparison and improvement of methods for determining soil dehydrogenase activity by using triphenyltetrazolium chloride and iodonitrotetrazolium chloride J. K. FriedelK. MölterW. R. Fischer Original Paper Pages: 291 - 296
Characterization of a cowpea (Vigna unguiculata) rhizobiophage and its effect on cowpea nodulation and growth M. H. AhmadV. Morgan Original Paper Pages: 297 - 301
Effects of drying/rewetting stress on microbial auxin production and L-tryptophan catabolism in soils Michael LebuhnB. HeilmannA. Hartmann Original Paper Pages: 302 - 310
Influence of low-molecular-weight organic acids on the solubilization of phosphates N. S. BolanR. NaiduS. Baskaran Original Paper Pages: 311 - 319
Phosphomonoesterase, phosphodiesterase, phosphotriesterase, and inorganic pyrophosphatase activities in forest soils in an alpine area: effect of pH on enzyme activity and extractability R. MargesinF. Schinner Original Paper Pages: 320 - 326
Evaluation of denitrification losses by the acetylene inhibition technique in a permanent ryegrass field (Lolium perenne L.) fertilized with animal slurry or ammonium nitrate L. SchwarzM. KappJ. C. G. Ottow Original Paper Pages: 327 - 333
Activity and degradation of streptomycin and cycloheximide in soil L. BadaluccoF. PomaréP. Nannipieri Original Paper Pages: 334 - 340
Estimate of the source of soil protease in upland fields K. WatanabeK. Hayano Original Paper Pages: 341 - 346