Studies on the nitrogen-fixing bacteria of the genusbeijerinckia J. H. Becking OriginalPaper Pages: 297 - 322
Effect of volatile constituents ofScaptocoris talpa Champ. on the growth of soil fungi M. I. Timonin OriginalPaper Pages: 323 - 334
Some differences between the soils ofRhizophora andAvicennia mangrove swamps in sierra leone P. R. Hesse OriginalPaper Pages: 335 - 346
The effect of ammonium nitrogen on fixation of elemental nitrogen inAlnus andMyrica W. D. P. StewartG. Bond OriginalPaper Pages: 347 - 359
The effect of oxygen concentration on the decomposition of organic materials in soil D. J. Greenwood OriginalPaper Pages: 360 - 376