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प्रश्न
State any three benefits of Biofertilizers.
Write the benefits of biofertilizer.
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उत्तर
- Low cost and can be used by marginal farmers.
- Free from pollution hazards.
- Increase soil fertility.
- BGA as biofertilizers secret growth promoting substances, organic acids, proteins and vitamins.
- Azotobacter supply nitrogen and antibiotics in the soil.
- Biofertilizers increase physico-chemical properties of soil- like texture, structure, pH, water holding capacity of soil by providing nutrients and organic matter.
Notes
Students should refer to the answer according to their questions.
संबंधित प्रश्न
How does the activity of each one of the following help in organic farming?
Cyanobacteria
identify the plants with which Anabaena, is associated.
Which of the following is a free-floating aquatic fern?
Blue green algae are used as bio fertilizers because they ____________.
The biological agent which is used to kill or check proliferation of disease causing agents is called ____________.
VAM is a type of ______
Which of the following symbiotic microorganisms is nitrogen-fixing?
An organism used as a biofertiliser for raising soyabean crop prediction is:
Biofertilizers are
Mycorrhiza does not help the host plant in ______.
