What will be the prcedure for finding Bacterial( Phosphorus solubilizing Bacteria) concentration in an inoculum?

I have a company product of Biofertilizer which has Phosphorus solubilizing bacteria (Bacillus polymyxa and Bacillus magetaruim) now I want ti find out active bacterial concentration in this...

20 June 2017 7,356 4 View