Kumari Nehaa* & A. K. Srivastavaa
aP.G. Department of Botany, Ranchi University, Ranchi, Jharkhand, India
Received 3rd August, 2010; Revised 5th September, 2010
Abstract : This paper presents the important results of the nitrogen fixation of certain number of blue green algae in separate and mixed cultures collected from different paddy fields of Ranchi district. The results obtained in above experiments showed that Aulosira fertilissima produced the highest growth and nitrogen fixation among separate cultures of above mentioned blue green algae.