UPSC CSE 2026 Essay Paper Discussion
GS Paper 3 15 marks · 250w 14 min Medium

What are the present challenges before crop diversification? How do emerging technologies provide an opportunity for crop diversification?

Subtopic: Science and Technology

Model answer outline

How to structure your answer

Introduction → Challenges before Crop Diversification → Emerging Technologies can provide Opportunities as → Conclusion
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Detailed model answer

563 words · target 250 words · 14 min

Crop diversification means moving from excessive dependence on a few crops, especially rice-wheat and sugarcane, towards pulses, oilseeds, millets, horticulture, fodder, agroforestry and region-specific crops.

Challenges before Crop Diversification:

  • The Green Revolution created a strong shift towards wheat-rice monocropping at the cost of coarse grains, pulses and oilseeds.
  • Monsoon dependence and irrigation gaps: Roughly 55% of India's net sown area is rain-fed. Diversification is risky where irrigation is uncertain.
  • Fragmented landholdings: Over 86% of farmers are classified as small and marginal (owning <2 hectares). Small farms reduce the scope for mechanisation, precision farming and commercial-scale diversification.
  • Subsistence farming: High population pressure keeps farmers locked into low-risk, survival-oriented farming.
  • Commercial monocropping: Limited diversification as replacement of food crops with water- or input-intensive cash crops. E.g., Sugarcane production in western Uttar Pradesh, Maharashtra.
  • Technological constraints: Lack of suitable HYV seeds, poor seed replacement, old implements and limited use of weather-based advisories.
  • Institutional bottlenecks: Defective land leasing arrangements, insecure tenancy and weak extension services discourage long-term investment in diversified farming.
  • Inadequate cold-storage, warehousing and post-harvest facilities make diversification towards horticulture crops (fruits, vegetables and flowers) riskier, as these are more perishable and price-sensitive than cereals.
  • Marketing-related factors: Skewed procurement of Rice and Wheat under the MSP and Restrictive APMC regime make diversification less lucrative.
  • Price and trade uncertainty: Farmers avoid alternative crops when prices fluctuate sharply or when trade rules change suddenly.

Emerging Technologies can provide Opportunities as:

  • Genomics and marker-assisted breeding can accelerate crop improvement: Whole genome sequencing of crop species allows○ identification of precise genes controlling drought-tolerance, pestresistance, nitrogen-use efficiency and nutritional quality, etc.
    • E.g., the International Rice Genome Sequencing Project developed the Swarna-Sub1 rice variety that can survive complete flood submergence for up to 14-17 days.
  • CRISPR and gene editing enable rapid trait improvement: CRISPRCas9 acts as molecular scissors that can knock out, enhance or fine-tune specific genes in any crop with unprecedented precision and speed. It can○ Reduce the time to develop a competitive new variety.
    • Develop crops with climate resilience, better nutrition and reduced input requirements more precisely than conventional breeding.
    • E.g., ICAR scientists used CRISPR-Cas9 to develop Pusa DST Rice 1 and DRR Dhan 100 (Kamla)- 30% higher yield under drought and saline stress.
  • Biofortification enhances iron, zinc and beta-carotene content in millets, pulses and sweet potato. E.g., Iron-biofortified pearl millet (ICRISAT's Dhan Shakti variety).
  • Remote sensing, satellite imaging, GIS and drones can map soil moisture, crop stress, pest incidence and groundwater stress. E.g.,
    • ISRO's Bhuvan platform and the FASAL scheme use satellite imagery to forecast crop acreage.
    • ISRO’s automated geospatial crop estimation system (GeoCrEST).
    • The NADAMS project provides an early assessment of the drought situation.
  • Artificial intelligence and big data analytics can integrate satellite data, soil health data, weather forecasts and price trends to provide cropplanning advisories at the village or farm level.
  • Precision agriculture through IoT-based soil sensors, IoT-based irrigation and fertigation can improve water-use and nutrient-use efficiency.
  • e-NAM (National Agriculture Market) and ONDC's agriculture module create price discovery and direct market access for non-MSP crops across state boundaries.
  • Digital agriculture platforms such as AgriStack, Krishi Decision Support System and digital soil maps can connect farmers with advisories, credit, insurance and markets.
  • E-NAM, FPO platforms, blockchain-based traceability and agri-logistics apps can reduce market uncertainty.

Thus, emerging technologies can aid crop diversification from a risky shift into a data-driven, market-linked and ecologically necessary strategy for Indian agriculture.

Key points

What an examiner expects to see

  • The Green Revolution created a strong shift towards wheat-rice monocropping at the cost of coarse grains, pulses and oilseeds
  • Monsoon dependence and irrigation gaps: Roughly 55% of India's net sown area is rain-fed
  • Fragmented landholdings: Over 86% of farmers are classified as small and marginal (owning <2 hectares)
  • Subsistence farming: High population pressure keeps farmers locked into low-risk, survival-oriented farming
  • Commercial monocropping: Limited diversification as replacement of food crops with water- or input-intensive cash crops
  • Technological constraints: Lack of suitable HYV seeds, poor seed replacement, old implements and limited use of weather-based advisories
  • Institutional bottlenecks: Defective land leasing arrangements, insecure tenancy and weak extension services discourage long-term investment in
Examples to use

Concrete cases, schemes and judgments

  • Sugarcane production in western Uttar Pradesh, Maharashtra
  • the International Rice Genome Sequencing Project developed the Swarna-Sub1 rice variety that can survive complete flood submergence for up to 14-17 days
  • ICAR scientists used CRISPR-Cas9 to develop Pusa DST Rice 1 and DRR Dhan 100 (Kamla)- 30% higher yield under drought and saline stress
  • Iron-biofortified pearl millet (ICRISAT's Dhan Shakti variety)
  • ISRO's Bhuvan platform and the FASAL scheme use satellite imagery to forecast crop acreage
Keywords / terms

Terminology to weave into the answer

HYVMSPAPMCCRISPRICARDST

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