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प्रश्न
How does the activity of each one of the following help in organic farming?
Cyanobacteria
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उत्तर
Cyanobacteria are free-living or symbiotic blue-green algae which are capable of converting atmospheric molecular nitrogen into the soluble form like nitrites or nitrates.
This is called nitrogen fixation.
The cyanobacteria carry out this process when free-living in the soil or plant roots and enrich the nitrogen content of the soil acting as a natural fertilizer.
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संबंधित प्रश्न
Find out the role of microbes in the following:
Soil
Define biofertilizers. Give two types of fungal biofertilizers
Which one of the following is a free-living bacterial biofertilizer?
State any three benefits of Biofertilizers.
______ are nitrogen fixing micro-organisms.
Which of the following is one of the basic elements considered in green revolution?
Mycorrhiza is a______ which forms a symbiotic association with the underground parts like rhizomes and root of higher plants.
Why are cyanobacteria considered useful in paddy fields?
How many of the following are the symbiotic nitrogen fixing micro-organisms?
Rhizobium, Anabaena, Frankia, Azotobacter, Nostoc, Clostridium, Beijerinckia, Klebsiella
What is the Greek etymological origin of the term 'mycorrhiza'?
