Exemplar Problems

Question:

Microbes can be used to decrease the use of chemical fertilizers and pesticides. Explain how this can be accomplished.

Answer:

- Microbes can decrease the use of chemical fertilizers and pesticides through the following mechanisms:
  - Nitrogen-fixing bacteria can convert atmospheric nitrogen into a form that plants can absorb, reducing the need for nitrogen-based fertilizers.
  - Mycorrhizal fungi form symbiotic relationships with plant roots, enhancing nutrient uptake and reducing the need for chemical fertilizers.
  - Microbial pesticides, such as biopesticides, contain beneficial microorganisms that can control harmful pests, reducing the reliance on chemical pesticides.
  - Bioremediation, using microbes, can help detoxify soil and water contaminated with pesticides, reducing environmental pollution.
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