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What are bio fertilizers and bio pesticides ?
BY RAMKRISHNA (SVIET)

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EXPERT ANSWER
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Biofertilizers are natural organisms that add nutrients to the soil and also makes it fertile. e.g.Rhizobium helps in nitrogen fixation in leguminous plants. 
Biopesticides are organisms which are used to destroy pests in fields.They are also used to destroy w

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