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प्रश्न
Why are cyanobacteria considered useful in paddy fields?
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उत्तर
Cyanobacteria are autotrophic microbes widely distributed in aquatic and terrestrial environments many of which can fix atmospheric nitrogen e.g. Anabaena, Nostoc, Oscillatoria, etc. In paddy fields, cyanobacteria serve as an important biofertiliser. Blue-green algae also add organic matter to the soil and increase its fertility.
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संबंधित प्रश्न
Microbes can be used to decrease the use of chemical fertilisers and pesticides. Explain how this can be accomplished.
Find out the role of microbes in the following:
Soil
How does the application of the fungal genus, Glomus, to the agricultural farm increase the farm output?
Which one of the following is a free-living bacterial biofertilizer?
Identify the CORRECT statement regarding Ectomycorrhizae.
Identify the CORRECT statement regarding Mycorrhiza.
Mycorrhiza is a______ which forms a symbiotic association with the underground parts like rhizomes and root of higher plants.
By application of ____________ yield of paddy field can be increased.
VAM stands for ______.
Which of the following symbiotic microorganisms is nitrogen-fixing?
Soil microorganisms mainly comprise:
Give two examples of biofertilizer.
Farmers are often suggested to use the following organism in their crop land so as to improve the soil fertility. Explain.
Rhizobium
Which one of the following statement is correctly matched?
- Give an example of a genus of fungi that forms mycorhizal association with plants.
- How does the plant derive benefits from this association?
Name the microorganisms involved in the production of Roquefort cheese, Camembert cheese and Swiss cheese.
Which of the following bacteria do not solubilize the insoluble rock phosphate?
Which organisms are classified as nitrogen-fixing microbes that convert atmospheric nitrogen into usable forms?
Which biofertilizer component is most effective for enhancing phosphorus and mineral absorption while providing pathogen protection?
