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Microbes In Human Welfare

Question

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How do biofertilizers enrich the soil ?

Solution

Biofertilizers play a vital role to solve the problems of soil fertility and soil productivity.

1. Anabaena, a cyanobacterium increases the fertility, enriches soil with organic material and fixes nitrogen.

2. Rhizobium also fix atmospheric nitrogen as nitrates and nitrites and lives as a symbiont in the roots of leguminous plants.

3. Mycorrhizae formed by association of bacteria and roots of higher plants increase soil fertility.

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