Paper I · 4 Environment & Disaster Management · 4.13 Agriculture and environment

4.13.1 Chemical fertilisers and pesticides: environmental costs

Chemical fertilisers and pesticides drove the Green Revolution's yield gains, but their overuse now degrades soil, pollutes water and air, harms biodiversity and adds to climate change.

  • TGPSC MPSO / ASO · Paper I
  • Standard level
  • 8 min read
  • Full course

Key terms

  • Green Revolution
  • NPK 4:2:1
  • urea
  • nitrogen use efficiency
  • nitrous oxide
  • soil organic carbon
  • micronutrient deficiency
  • neem-coated urea
  • Soil Health Card
  • nano urea
  • PM-PRANAM
  • pesticide resistance
  • resurgence

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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