Cyanobacterial diversity and physicochemical study of different blocks of Howrah district in West Bengal, India
Journal Title: International Journal of Experimental Research and Review - Year 2016, Vol 5, Issue 4
Abstract
Present research paper deals with continued three successive years (2011 - 2014) studied for the first time the occurrence of Cyanobacteria in rice growing fields of Howrah district in West Bengal. Altogether 847 times representation of 38 species of Nitrogen fixing Cyanobacteria samples belonging to 22 genera and four orders i.e., Chroococcales, Oscillatoriales, Nostocales and Stigonematales were isolated from various rice growing localities. The physicochemical 11 parameters i.e., pH, EC, Temperature, Humidity, Total Nitrogen, Organic Carbon, C/N ratio, soil N, P, K and soil texture were chosen for this study. Present study revealed that comparatively less pH and lesser number of Cyanobacteria were growing in Rabi i.e., November to June in comparison to Kharif crop season i.e., July to October. The increasing range of soil pH was certainly the important factor for the development of BGA.
Authors and Affiliations
Nikhil Chandra Halder
Keywords
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