UPSC CSE Mains 2025

UPSC CSE Mains 2025 GS3 - Q15 How does nanotechnology offer significant advancements in the field of agriculture? How can this technology help to uplift the socio-economic status of farmers?

Q15. How does nanotechnology offer significant advancements in the field of agriculture? How can this technology help to uplift the socio-economic status of farmers?

Possible Introductions

Definitional framing:

Nanotechnology involves manipulating materials at the nanoscale (1–100 nm) to develop innovative solutions. In agriculture, it is reshaping inputs, monitoring systems, and storage methods for efficiency and sustainability.

Contextual framing (India):

With India facing rising input costs, declining soil fertility, and climate uncertainty, nanotechnology offers resource-smart solutions for sustainable agriculture.

Current Affairs:

The potential of nanotechnology can be utilised to enhance efficiency of agriculture right from sowing till the post-harvest stage. The government’s enabling measures and efforts of organisations like IFFCO and ICAR not only improve productivity, they also increase farmer incomes and social status.

Directive Analysis

“How does nanotechnology offer advancements” → applications in seeds, fertilizers, pesticides, sensors, packaging.

“How can it uplift socio-economic status of farmers” → link technology to farmer incomes, resilience, and livelihoods.

Body of the Answer

1. Nanotechnology in Agriculture – Key Advancements (with examples)

    • Nano-fertilizers: Increase nutrient uptake and reduce wastage. Example: IFFCO Nano Urea replaces a 45-kg urea bag with a 500 ml bottle, reducing logistics costs and soil degradation.
    • Nano-pesticides: Precision delivery reduces chemical residues. Example: ICAR trials on nano-encapsulated pesticides showed lower pest resistance and reduced chemical use in cotton and paddy.
    • Nano-sensors & smart farming: Real-time soil monitoring improves input use. Example: Tamil Nadu Agricultural University pilot uses nanosensors to detect soil nitrate levels.
    • Nano-packaging: Enhances food shelf life and safety.
    • Water management: Nano-membranes aid purification and desalination. Example: Graphene oxide nano-filters in Gujarat treat brackish water.
    • Genetic engineering: Enables precise manipulation of plant genes for disease resistance and higher yield.
    • Seed enhancement: Nano-priming improves germination. Example: Punjab Agricultural University research showed ZnO nanoparticles improved wheat yields by 10–15%.

X-Factor: FAO reports nano-inputs can reduce fertilizer and pesticide use by 30–40% globally while maintaining yields.

2. Socio-Economic Benefits for Farmers

    • Higher Productivity, Lower Costs: Nano-inputs reduce input costs and dependency on chemicals.
    • Better Incomes: Higher yields and reduced post-harvest losses ensure higher market returns.
    • Resilience to Climate Stress: Nano-sensors enable adaptive irrigation and cropping decisions.
    • Export Competitiveness: Safer, residue-free crops enhance India’s agri-exports.
    • Employment Generation: New nano-industries create rural jobs.
    • Sustainability & Inclusivity: Promotes eco-friendly practices aligning with SDG-2 & SDG-12.

X-Factor: ICAR study noted nano-urea reduces input costs by ~₹15,000/ha annually, directly benefiting smallholders.

Possible Conclusions

Future-oriented:

Nanotechnology, when combined with digital farming and biotechnology, can drive India’s “evergreen revolution.”

Policy-oriented:

Scaling requires regulatory clarity, farmer training, and PPP models to ensure affordability and adoption.

Philosophical:

By helping farmers “produce more with less,” nanotechnology embodies sustainable prosperity.

Diagram Suggestions

Table: Nano-fertilizers, Nano-pesticides, Nano-sensors, Nano-packaging → Agricultural gains → Farmer benefits.

Flowchart: Nanotech → Productivity ↑ + Input cost ↓ + Waste ↓ → Higher incomes → Socio-economic upliftment.

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