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The effect of long term sewage sludge application on plasmid diversity of R. leguminosarum bv. viciae isolates


, : The effect of long term sewage sludge application on plasmid diversity of R. leguminosarum bv. viciae isolates. Agricultural Sciences and Technology 13(1): 81-87

The size and the number of plasmids vary among rhizobial bacteria. This characteristic can be used for grouping bacteria in ecological studies. Plasmids are briefly discussed and the modified Eckhardt method for studying the plasmid profiles of rhizobial bacteria is explained. The modifications were to improve the quality of plasmid profiles.

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