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प्रश्न
How does the application of cyanobacteria help improve agricultural output?
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उत्तर
Cyanobacteria are free living or symbiotic blue green algae which are capable of converting atmospheric molecular nitrogen into soluble forms like nitrites or nitrates. They enrich the nitrogen content of the soil, thus, acting as a natural fertilizer. They replenish the soil with the nitrogenous compounds and hence are useful in agriculture.
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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.
Define biofertilizers. Give two types of fungal biofertilizers
______ associated with plants like Azolla and Cycas can be used as a biofertilizers.
Match the column A with B and rewrite correct pairs.
| A | B | |
| i. | Symbiotic N2 fixing bacteria | VAM |
| ii. | Free-living N2 fixing bacteria | Rhizobium |
| iii. | Phosphate solubilizer | Nostoc |
| iv. | Endomycorrhizae | Microccocus |
identify the plants with which Anabaena, is associated.
Identify the CORRECT statement regarding Ectomycorrhizae.
Mycorrhiza is a______ which forms a symbiotic association with the underground parts like rhizomes and root of higher plants.
Which one of the following is NOT a nitrogen-fixing organism?
Mycorrhiza does not help the host plant in ______.
Which of the following bacteria do not solubilize the insoluble rock phosphate?
