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Population of total diazotrophs Azotobacter and Azospirillum sp. on the rhizosphere and non-rhizosphere samples of Catharanthus roseus at different locations
| Soil sample | Total diazotroph (×103 CFU/g) |
Azospirillum (×103 CFU/g) |
Azotobacter (×103 CFU/g) |
|||||||||
| AHF | AMG | HRS | Mean | AHF | AMG | HRS | Mean | AHF | AMG | HRS | Mean | |
| Rhizosphere | 85 | 70 | 62 | 72.31 | 44 | 38 | 34 | 38.66 | 60 | 50 | 44 | 51.33 |
| Non-rhizosphere | 28 | 20 | 18 | 22.00 | 12 | 10 | 10 | 10.66 | 18 | 16 | 12 | 15.53 |
