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Biofertilizers.

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(i) Due to use of biofertilizers instead of chemical fertilizers, nitrogen fixation and phosphate solubilization abilities of the plants are improved.
(ii) Mainly the bacteria like Rhizobiun, azotobacter , nostoc, anabaena and plants like azolla are used as biofertilizers.
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Match the following: {:( "(p)Biofuel", " (i) Nitrogen fixers") , ("(q) Biomass " , "(ii) Hydrogen"),(" (r)Process engineering" , "(iii)Bulk production") , ( "(s)Biofertilizer" , " (iv) Water recycling"):}

{:(1."Biofertilizer" " "(i) "Marattia"),(2."Treatment for tape worm"" "(ii)"Azolla"),(3."Leaves yield green dye"" "(iii)"Dryopteris filix-mas "),(4."Ornamental plant"" "(iv)"Pteridium sp."):}

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Write fungi as a biofertilizer.

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What is the significance of cyanobacteria as a biofertilizer ?

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