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प्रश्न
What are 'biofertilizers'? Explain them with suitable examples.
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उत्तर
Biofertilizers: The biofertilizers are nitrogen fixing microbes or fungi which enrich the soil with nutrients.
There are 3 major types of biofertilizers i.e. bacterial biofertilizers, cyanobacterial biofertilizers and fungal biofertilizers.
Examples of biofertilizers:
- Nitrogen-fixing symbiotic bacterial biofertilizer - Rhizobium in root nodule of leguminous plants.
- Nitrogen-fixing symbiotic cyanobacterial biofertilizers - Anabaena azollae in Azolla.
- Nitrogen-fixing non-symbiotic cyanobacterial biofertilizers - Nostoc, Anabaena.
- Mycorrhizal Fungal biofertilizer - Ectotrophic mycorrhiza and Endotrophic mycorrhiza - VAM.
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संबंधित प्रश्न
How does the application of the fungal genus, Glomus, to the agricultural farm increase the farm output?
How does the application of cyanobacteria help improve agricultural output?
How does the activity of each one of the following help in organic farming?
Cyanobacteria
Which one of the following is a free-living bacterial biofertilizer?
State any three benefits of mycorrhiza.
Identify the CORRECT statement regarding Ectomycorrhizae.
Which of the following is one of the basic elements considered in green revolution?
Glomus is a ______.
Which one of the following is not a nitrogen-fixing organism?
How do mycorrhizal fungi help the plants harbouring them?
