The microbial diversity of EI-Khadra lake at Wadi-EI-Natroun was studied, The lake water. shore and bottom soil and rhizosphere of adjacent plants were tested for total count of bacteria, proteolytic, lipolytic. cellulytic bacteria and azotobacter. The isolated bacteria from the lake were identified and it was almost as bacilli and to some extent cocci. The lake also has green cakes floating on the surface, and bacteria producing protease. lipase but less of cellulase and N-Fixing Azotobacler.
The identification of the free microflora In water, s~owed the dominance of the genus Bacillus over other aquatic mlcronora. The result showed (hat Pseuomones and "XanthQmOn8S" produce gelly yellow as a growth promotor.
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