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(D) Paddy fields (rice cultivation) require significant amounts of nitrogen for optimal growth. Cyanobacteria,such as $Anabaena$ and $Nostoc$,are comm

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Symbiotic or non-symbiotic cyanobacteria

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(D) Paddy fields (rice cultivation) require significant amounts of nitrogen for optimal growth. Cyanobacteria,such as $Anabaena$ and $Nostoc$,are commonly found in paddy fields. These organisms can fix atmospheric nitrogen,either symbiotically (e.g.,$Anabaena$ $azollae$ in $Azolla$ ferns) or non-symbiotically (free-living),thereby enriching the soil with nitrogen and acting as an excellent biofertilizer for rice crops.

Which of the following is the most suitable fertilizer for paddy fields?

Similar Questions

Which of the following statements is incorrect?

What does green manure provide?

The best biofertilizer for paddy (rice) cultivation is:

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The main sources of biofertilisers are:
$(a)$ Bacteria
$(b)$ Cyanobacteria
$(c)$ Fungi
$(d)$ Protists

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