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प्रश्न
Differentiate between the following:
Symbiotic and Non-symbiotic bacteria as fertilisers
अंतर स्पष्ट करें
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उत्तर
| Basis of Difference | Symbiotic Bacteria | Non-symbiotic Bacteria |
|---|---|---|
| Association | Live in close association with a host plant. | Live freely in the soil. |
| Nitrogen fixation | Fix atmospheric nitrogen in association with the host. | Fix atmospheric nitrogen independently of a specific host plant. |
| Examples | Rhizobium in legume root nodules; Frankia in association with Alnus. | Azotobacter and Bacillus polymyxa. |
| Crop relationship | Usually associated with particular host plants. | Can benefit a range of crops, including cereals, fruits and vegetables. |
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