Question 15GS3GS3

How does agricultural runoff containing fertilizers and pesticides contribute to environmental pollution? What measures can be taken to mitigate the impact of agricultural runoff? (Answer in 250 words)

Introduction

Agricultural runoff by scarcity, migration contains harmful components of fertilizers and pesticide causing huge impact on environment.

17 words

Main Body

Agricultural runoff by scarcity, migration contains harmful components of fertilizers and pesticide causing huge impact on environment. [Diagram showing runoff process with eutrophication and local body impact] Big O landslide: Agricultural runoff → Environmental Pollution 1) Eutrophication of lakes, river streams (algae growth, water BOD, COD disrupted, i.e. biological oxygen demand) 2) Invasive Alien species can also grow 3) Marine life that breathes, consume food and water also affected due to chemical components

4Microplastics in the water bodies and environment sources. 5) Runoff when evaporated leads to sedimentation of saline deposits causing soil salinity, affected by 'calcification' 6) Leaching of runoff in ground can contaminate groundwater 7) Destruction of ecological characteristic of land, waterbodies 8) Finds itself in 'food chain' and thus 'residues' can be 'bioaccumulated' causing human environment damage. Measures to mitigate the impact: 1) Creation of 'embankments' so that runoff can be collected / stopped by step cultivation 2) Channeling of Agriculture land so that water collected in drainage basins and not fresh source.

3Collection of runoff and treatment of water 4) Using misconfiguration to reduce the quantity of runoff (almost negligible) 5) Promoting Organic farming, Natural farming (Subash Palekar zero budget) (ensure runoff will have no chemical beneficial soil features as herbicides as leaves and residues) 6) Awareness among farmers to use only optimum amount and not overuse by Ideal NPK ratio is inverted with overuse of urea. Thus, above steps can be taken to preserve ecological sanity of ecosystems and mitigate harmful effects of runoff.

— Dishant Amrutlal Nisar · AIR 19

251 words1 paragraphs

Conclusion

Thus, above steps can be taken to preserve ecological sanity of ecosystems and mitigate harmful effects of runoff.

18 words

Diagram

Diagram showing runoff flow from agricultural land into water bodies with labels for 'Eutrophication', 'Field', and 'Local Body'

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Topper

Dishant Amrutlal Nisar

AIR 19

Subject & Paper

GS3GS3

Topic

Biodiversity and Environment

Pollutant

Agricultural runoff and environmental impact

Writing Stats

286

Total words

Paragraphs

Linked PYQ

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50M2013प्रतिपाद्यताम्