Biology · Microbes in Human Welfare
Biofertilizers are essentially:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Chemical formulations with trace elements
- 2Green manures grown in fields
- 3Cultures of living micro-organisms✓
- 4Organic manures prepared from wastes
Correct answer
Cultures of living micro-organisms
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