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A field experiment was conducted at the agronomy farm Department of Agronomy Dr. B.S. Konkan Krishi Vidyapeeth Dapoli (Maharashtra) during kharif season rice crop to evaluate the effect of different herbicides vis a-vis different weed control measures and green manuring on survival and growth of bacteria,fungi,total free living nitrogen fixers and phosphate solubilizers in the rhizosphere soil. The all microbial parameters were found significantly higher in green manuring treatment as compared to the without- green manuring treatment at all the stages of the crops The all estimated microbial population except fungi in soil was significantly influenced by weed control measures at all the above mention stages of the crop. The population and other parameters in weedy check was at par with the rest of the herbicide which shows that the population is not decrease and not get disturbed due to application of both herbicides The interaction effects of green manuring and weed control measures were found to be non significant.
Key word: Weeds Kharif RiceHerbicides, Green manuring, Microbial population.