9
Question
Living organisms used to enrich the nutrient quality of the soil are called as
Living organisms used to enrich the nutrient quality of the soil are called as
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Solution
The correct option is A Biofertilisers
Biofertilisers are microorganisms which bring about nutrient enrichment
of soil by enhancing the availability of nutrients to crops.
Microorganisms which act as biofertilisers are bacteria, cyanobacteria
(blue green algae) and mycorrhizal fungi. Bacteria and cyanobacteria
have the property of nitrogen fixation while mycorrhizal fungi
preferentially withdraw minerals from organic matter for the plant with
which they are associated. They maximize ecological benefits and minimize environmental hazards.
So, the correct answer is 'Biofertilisers'.
Biofertilisers are microorganisms which bring about nutrient enrichment
of soil by enhancing the availability of nutrients to crops.
Microorganisms which act as biofertilisers are bacteria, cyanobacteria
(blue green algae) and mycorrhizal fungi. Bacteria and cyanobacteria
have the property of nitrogen fixation while mycorrhizal fungi
preferentially withdraw minerals from organic matter for the plant with
which they are associated. They maximize ecological benefits and minimize environmental hazards.
So, the correct answer is 'Biofertilisers'.
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