In which fields are Cyanobacteria used as bio | vedclass

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(C) $Cyanobacteria$ (blue-green algae) are autotrophic microbes that can fix atmospheric nitrogen. In paddy fields,they are widely used as biofertiliz

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Paddy

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(C) $Cyanobacteria$ (blue-green algae) are autotrophic microbes that can fix atmospheric nitrogen. In paddy fields,they are widely used as biofertilizers because the flooded conditions of paddy cultivation provide an ideal environment for their growth and nitrogen fixation. They enrich the soil with nitrogen and add organic matter,which significantly increases the yield of the paddy crop.

Column-$I$	Column-$II$
$(a)$ Azospirillum	$(1)$ Symbiotic bacteria
$(b)$ Cyanobacteria	$(2)$ Free-living bacteria
$(c)$ Rhizobium	$(3)$ Mycorrhiza
$(d)$ Glomus	$(4)$ Autotrophic microbe

In which fields are $Cyanobacteria$ used as biofertilizers?

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Match the following columns:

Column-$I$ Column-$II$

$(a)$ Azospirillum $(1)$ Symbiotic bacteria

$(b)$ Cyanobacteria $(2)$ Free-living bacteria

$(c)$ Rhizobium $(3)$ Mycorrhiza

$(d)$ Glomus $(4)$ Autotrophic microbe

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