Why are cyanobacteria considered useful in pa | vedclass

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(A) Cyanobacteria are autotrophic microbes widely distributed in aquatic and terrestrial environments,many of which can fix atmospheric nitrogen (they

Vedclass · Accepted Answer

They act as biofertilisers by fixing atmospheric nitrogen.

Vedclass · Answer

(A) Cyanobacteria are autotrophic microbes widely distributed in aquatic and terrestrial environments,many of which can fix atmospheric nitrogen (they contain specialized cells called heterocysts),e.g.,$Anabaena$,$Nostoc$,$Oscillatoria$,etc.In paddy fields,cyanobacteria serve as an important biofertiliser and increase crop yield by up to $50 \%$.Blue-green algae also add organic matter to the soil,which improves soil structure and increases its overall fertility.

Why are cyanobacteria considered useful in paddy fields?

Similar Questions

Mycorrhiza is a symbiotic association between which of the following?
$(i)$ Fungi of the genus $Glomus$
$(ii)$ $Rhizobium$
$(iii)$ Root nodules of leguminous plants
$(iv)$ Cyanobacteria
$(v)$ Roots of higher plants
$(vi)$ Paddy fields

Which of the following is a non-symbiotic biofertilizer?

Which of the following are mostly used in organic fertilizers?

The biofertilizer present in the roots of legumes is

The common nitrogen fixer in paddy fields is . . . . . . .

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