The first isolation of free living nitrogen-fixing bacteria by Winogradsky and Beijerinck stimulated the attempts to assess the importance of non-symbiotic nitrogen fixation in the nitrogen economy of the soil. Most non-symbiotic nitrogen fixation investigations have been concerned with agricultural soils because of their economic importance. Very few studies of nitrogen fixation have been done with woodland soils, of a virgin nature, which might contribute more to our knowledge of soil processes than would those under cultivation.
Identifer | oai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.113439 |
Date | January 1961 |
Creators | Laishley, Edward. J. |
Contributors | Knowles, R. (Supervisor) |
Publisher | McGill University |
Source Sets | Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada |
Language | English |
Detected Language | English |
Type | Electronic Thesis or Dissertation |
Format | application/pdf |
Coverage | Master of Science. (Department of Agriculture.) |
Rights | All items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated. |
Relation | alephsysno: NNNNNNNNN, Theses scanned by McGill Library. |
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