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प्रश्न
Define biofertilizers. Give two types of fungal biofertilizers
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उत्तर
Definition : The biofertilizers are mostly nitrogen-fixing microbes which enrich soil with nutrients. Mycorrhiza is a fungus. It forms symbiotic association with the roots of higher plants. There are two types ; Ectomycorrhiza, Endomycorrhiza.
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संबंधित प्रश्न
What are 'biofertilizers'? Explain them with suitable examples.
Your advice is sought to improve the nitrogen content of the soil to be used for cultivation of a non-leguminous terrestrial crop.
- Recommend two microbes that can enrich the soil with nitrogen.
- Why do leguminous crops not require such enrichment of the soil?
Identify free-living bacterial bio-fertilizer.
Mycorrhiza is a______ which forms a symbiotic association with the underground parts like rhizomes and root of higher plants.
The biological agent which is used to kill or check proliferation of disease causing agents is called ____________.
Which of following organisms cannot fix nitrogen?
- Azotobacter
- Oscillatoria
- Anabaena
- Volvoх
- Nostoc
Choose the correct answer from the options given below:
How many of the following are the symbiotic nitrogen fixing micro-organisms?
Rhizobium, Anabaena, Frankia, Azotobacter, Nostoc, Clostridium, Beijerinckia, Klebsiella
Endomycorrhizae grow in ______ of higher plants.
How do biofertilizers differ from chemical fertilizers in their effect on soil microorganisms?
Which biofertilizer system is particularly significant for rice cultivation in paddy fields?
