Biology, asked by sofiyaevangelin, 3 months ago

Organisms which help to improve soil fertility are ________ ( a. bio fertilizer b. bio predator c. bio repellent d. bio indicator )

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Answered by samja

It’s bio fertilizer, because bio fertilizer is made up of living microorganisms. When rip - off to field it promotes plant growth and it is a primary nutrient to host plant and enriched the fertility of the soil. They are eco- friendly and cost effective

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