Download or read book Nitrogen Fixation by Free-Living Micro-Organisms written by William Duncan Patterson Stewart and published by CUP Archive. This book was released on 1975 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: This 1976 volume provides information, presented at an international symposium in Edinburgh, on the free-living nitrogen-fixing bacteria and blue-green algae. In addition to information on the distribution of the nitrogenase enzyme within these groups, their role in the soil and in aquatic systems is considered, as are the methods of measuring nitrogen fixation.