Nitrogen Fixing Bacteria, Azotobacter sp. in Aquatic sediments
Nitrogen Fixing Bacteria, Azotobacter sp. in Aquatic sediments
Date
1987
Authors
LAKSHMANAPERUMALSAMY, P
Journal Title
Journal ISSN
Volume Title
Publisher
Society of Fisheries Technologists (India) Cochin
Abstract
Non-symbiotic, free living, nitrogen fixing bacteria, Azotobacter sp. was estimated
in sediments of estuarine, marine, backwater and mangrove environments of Portonovo.
Number of colony forming units (CFU) of Azotobacter sp. was less (5 to 27 cells/g of
dry sediment). CFU of total heterotrophic bacteria (THB), actinomycetes and fungi
were between 4.1 x 106 and 4.5 x 107, 0.8 x 105 and 4.9 x 105, 1.1 x 105 and 3.8 x 105/g
respectively. Mangrove sediments contained more CFU of the above microbial groups.
Description
Keywords
Nitrogen Fixing Bacteria, Azotobacter sp.,Aquatic sediments
Citation
Fishery Tech 24(2):126-128