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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
What are 'biofertilizers'? Explain them with suitable examples.
What is a heterocyst?
Name the aquatic fern commonly used in paddy fields as a biofertilizer.
Define biofertilizers. Give two types of fungal biofertilizers
How does the activity of each one of the following help in organic farming?
Cyanobacteria
Blue green algae are used as bio fertilizers because they ____________.
An organism used as a biofertiliser for raising soyabean crop prediction is:
Soil microorganisms mainly comprise:
Farmers are often suggested to use the following organism in their crop land so as to improve the soil fertility. Explain.
Rhizobium
Aspergillus niger is used to manufacture
