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Agriculture

UPSC Agriculture 2022 — Paper I

All 8 questions from UPSC Civil Services Mains Agriculture 2022 Paper I (400 marks total). Every stem reproduced in full, with directive-word analysis, marks, word limits, and answer-approach pointers.

8Questions
400Total marks
2022Year
Paper IPaper

Topics covered

GIS, precision farming, forest propagation, bioagents, nitrogen use efficiency (1)Soil pollution, DSR and SRI rice, forest conservation (1)Soil acidity, natural resources conservation, millets (1)Herbicide resistance, soil structure, agroforestry (1)SHGs, FPOs, KCC, Soil Health Card, bunding, watershed, cooperatives, NGOs (1)Agricultural extension, KVKs, contingent crop planning, agricultural marketing (1)Micro-irrigation, farm planning, Participatory Rural Appraisal (1)Irrigation water quality, Integrated Nutrient Management, crop insurance (1)

A

Q1
50M 150w Compulsory describe GIS, precision farming, forest propagation, bioagents, nitrogen use efficiency

Describe the following in about 150 words each: (a) What is "Geographic Information System" (GIS) ? Discuss its elements and prospects in agriculture. (10 marks) (b) What is "precision farming" ? Write its different aspects for resource conservation. (10 marks) (c) Describe various methods for propagation of forest plants. (10 marks) (d) Discuss selection criteria of successful bioagent and bio-herbicides. State at least two examples of biocontrol of weeds. (10 marks) (e) How to enhance nitrogen use efficiency in transplanted rice ? (10 marks)

हिंदी में पढ़ें

निम्नलिखित प्रत्येक का लगभग 150 शब्दों में वर्णन कीजिए : (a) "भौगोलिक सूचना प्रणाली" (जी.आई.एस.) क्या है ? इसके तत्त्वों एवं इसकी कृषि में संभावनाओं की विवेचना करें । (10 अंक) (b) "परिशुद्ध खेती" क्या है ? संसाधन संरक्षण हेतु इसके विभिन्न पहलुओं को लिखें । (10 अंक) (c) वानिकी पौधों के प्रवर्धन की विभिन्न विधियों का वर्णन करें । (10 अंक) (d) जैव कारकों एवं जैव खरपतवार नाशियों के सफल चयन मापदण्डों की विवेचना करें । खरपतवारों के जैव नियंत्रण के कम से कम दो उदाहरणों का उल्लेख करें । (10 अंक) (e) रोपित धान में नत्रजन उपयोग दक्षता को कैसे बढ़ाया जा सकता है ? (10 अंक)

Answer approach & key points

Framework: Concept > Practice or process > Data > Indian application. (a) discuss: intro > 3-4 dimensions > example > balanced close | (b) explain: definition/context > points in order > small example > short close | (c) describe: define > structure or process in order > labelled diagram > significance | (d) discuss: intro > 3-4 dimensions > example > balanced close | (e) suggest: the problem in one line > implementable measures > who acts > conclusion Full marks: Precise definitions, specific examples (species/chemicals), and clear linkage to Indian context or specific technologies.

  • Definition of GIS as a computer-based system
  • Identification of hardware, software, data, and people as elements
  • Explanation of spatial data layers (raster/vector)
  • Specific agricultural prospects (e.g., soil mapping, crop monitoring)
  • Definition of precision farming (site-specific management)
  • Linkage to variable rate technology (VRT)
  • Aspect: Water conservation (drip/irrigation based on soil moisture)
  • Aspect: Fertilizer conservation (site-specific nutrient management)
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Q2
50M discuss Soil pollution, DSR and SRI rice, forest conservation

(a) Write the various factors responsible for soil pollution. How organic and natural farming can play role in minimizing soil pollution ? (20 marks) (b) What is the significance of Direct Seeded Rice (DSR) and System of Rice Intensification (SRI) ? Describe the package of practices for direct seeded rice. (20 marks) (c) Discuss various steps for long term conservation of forest flora and fauna. (10 marks)

हिंदी में पढ़ें

(a) मृदा प्रदूषण के लिए उत्तरदायी विभिन्न कारकों को लिखें । मृदा प्रदूषण को कम करने में जैविक एवं प्राकृतिक खेती कैसे भूमिका निभा सकती है ? (20 अंक) (b) धान की सीधी बुवाई (डी.एस.आर.) एवं धान सघनता पद्धति (एस.आर.आई.) का क्या महत्व है ? सीधी बुवाई वाले धान की कृषि कार्यप्रणाली का वर्णन करें । (20 अंक) (c) वनों में वनस्पति एवं जीव समूहों के दीर्घकालिक संरक्षण हेतु विभिन्न चरणों की विवेचना करें । (10 अंक)

Answer approach & key points

Framework: Concept > Practice or process > Data > Indian application. (a) explain: definition/context > points in order > small example > short close | (b) describe: define > structure or process in order > labelled diagram > significance | (c) discuss: intro > 3-4 dimensions > example > balanced close Full marks: Comprehensive coverage of all factors/practices/steps with specific examples, data, and clear distinction between concepts.

  • Chemical factors: synthetic fertilizers, pesticides, heavy metals
  • Industrial factors: effluents, mining waste, radioactive waste
  • Agricultural factors: over-irrigation, monoculture, plastic mulch
  • Mechanism of organic farming: composting, bio-fertilizers, crop rotation
  • Significance of DSR: water saving, labor saving, cost reduction
  • Significance of SRI: high yield, low water, reduced seed use
  • DSR Practice: Seed treatment (Carbendazim/Thiram), spacing (20x20 cm)
  • DSR Practice: Sowing method (drill, manual, mechanical), timing
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Q3
50M elaborate Soil acidity, natural resources conservation, millets

(a) How soil acidity affects crop production ? Elaborate the remedial procedures of soil acidity. (20 marks) (b) Classify various natural resources. Discuss the steps for long term conservation of natural resources. (20 marks) (c) Describe the importance of millets in Indian Agriculture. (10 marks)

हिंदी में पढ़ें

(a) मृदा अम्लता फसल उत्पादन को कैसे प्रभावित करती है ? मृदा अम्लता के सुधार हेतु विभिन्न विधियों को विस्तार पूर्वक लिखिये । (20 अंक) (b) विभिन्न प्राकृतिक संसाधनों का वर्गीकरण करें । प्राकृतिक संसाधनों के दीर्घकालिक संरक्षण हेतु विभिन्न चरणों की विवेचना करें । (20 अंक) (c) भारतीय कृषि में मोटे अनाजों के महत्व का वर्णन कीजिए । (10 अंक)

Answer approach & key points

Framework: Concept > Practice or process > Data > Indian application. (a) explain: definition/context > points in order > small example > short close | (b) discuss: intro > 3-4 dimensions > example > balanced close | (c) describe: define > structure or process in order > labelled diagram > significance Full marks: Precise chemical mechanisms, specific schemes, and data-driven conservation strategies.

  • Aluminium and Manganese toxicity mechanism
  • Phosphorus fixation by Fe/Al oxides
  • Lime (Agar) application and CEC increase
  • Gypsum use for sodic-acidic soils
  • Renewable vs Non-renewable classification
  • In-situ vs Ex-situ conservation methods
  • Sustainable yield and carrying capacity
  • Institutional framework (e.g., NITI Aayog)
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Q4
50M discuss Herbicide resistance, soil structure, agroforestry

(a) Discuss about the types of herbicide resistance in weeds with specific example in Indian perspective. Discuss the management practices dealing with herbicide resistance in weeds. (20 marks) (b) Why do we consider soil structure an important soil property for crop production ? How is soil structure changed by various factors ? (20 marks) (c) Describe various components of agroforestry and state the benefits of agroforestry also. (10 marks)

हिंदी में पढ़ें

(a) खरपतवारों में शाकनाशी प्रतिरोध (हर्बिसाइड रेजिस्टेंस) के प्रकारों की चर्चा भारतीय परिप्रेक्ष्य में विशिष्ट उदाहरण के साथ करें । खरपतवारों में शाकनाशी प्रतिरोध के प्रबंधन के तरीकों की विवेचना कीजिए । (20 अंक) (b) फसल उत्पादन के लिये मृदा संरचना को एक महत्वपूर्ण मृदा गुण क्यों माना जाता है ? मृदा संरचना विभिन्न कारकों से कैसे बदलती है ? (20 अंक) (c) कृषि वानिकी के विभिन्न घटकों का वर्णन करें एवं कृषि वानिकी के लाभों का भी उल्लेख करें । (10 अंक)

Answer approach & key points

Framework: Concept > Practice or process > Data > Indian application. (a) discuss: intro > 3-4 dimensions > example > balanced close | (b) explain: definition/context > points in order > small example > short close | (c) describe: define > structure or process in order > labelled diagram > significance Full marks: Precise technical terminology, specific Indian examples, clear logical flow, and comprehensive coverage of all sub-parts.

  • Target-site vs non-target-site resistance
  • Specific Indian weed-herbicide example (e.g., Barnyard grass)
  • Management: rotation, mixtures, non-chemical control
  • Mechanism of resistance (e.g., EPSPS gene)
  • Definition of soil structure (aggregates)
  • Impact on aeration, water, and root penetration
  • Factors: tillage, organic matter, compaction
  • Link between structure and crop yield
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B

Q5
50M 150w Compulsory discuss SHGs, FPOs, KCC, Soil Health Card, bunding, watershed, cooperatives, NGOs

Discuss the followings in about 150 words each: (a) Self Help Groups (SHGs) and Farmers Producers Organizations (FPOs) (10 marks) (b) Kisan Credit Card and Soil Health Card (10 marks) (c) Contour bunding and Graded bunding (10 marks) (d) Rain water harvesting and Watershed Management (10 marks) (e) Cooperative Societies and Non Government Organizations (NGOs) (10 marks)

हिंदी में पढ़ें

निम्नलिखित प्रत्येक की लगभग 150 शब्दों में विवेचना कीजिए : (a) स्वयं सहायता समूह एवं कृषक उत्पादक संगठन (10 अंक) (b) किसान क्रेडिट कार्ड एवं मृदा स्वास्थ्य कार्ड (10 अंक) (c) समोच्च बंधन एवं वर्गीकृत बंधन (10 अंक) (d) वर्षा जल संग्रहण एवं जलसंभर (वाटर शेड) प्रबंधन (10 अंक) (e) सहकारी समितियां एवं गैर सरकारी संगठन (एन.जी.ओ.) (10 अंक)

Answer approach & key points

Framework: Concept > Practice or process > Data > Indian application. (a) discuss: intro > 3-4 dimensions > example > balanced close | (b) discuss: intro > 3-4 dimensions > example > balanced close | (c) discuss: intro > 3-4 dimensions > example > balanced close | (d) discuss: intro > 3-4 dimensions > example > balanced close | (e) discuss: intro > 3-4 dimensions > example > balanced close Full marks: Clear distinction between the two concepts in each part, specific examples, and correct terminology.

  • Define SHGs (self-help, micro-credit, women-centric)
  • Define FPOs (collective marketing, input procurement, value addition)
  • Contrast primary objective (financial inclusion vs market power)
  • Mention institutional support (NABARD, Ministry of Agriculture)
  • Define KCC (collateral-free credit, crop-wise limit)
  • Define SHC (soil testing, nutrient recommendation)
  • Link KCC to timely availability of funds for inputs
  • Link SHC to precision farming and reducing fertilizer cost
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Q6
50M describe Agricultural extension, KVKs, contingent crop planning, agricultural marketing

(a) What are the target groups in Agricultural Extension ? What role KVKs can play to reach such target groups ? (20 marks) (b) Narrate various components of contingent crop planning in dry land agriculture. (20 marks) (c) Enlist the problems of agricultural marketing in India and also describe the role of market intelligence in addressing these problems. (10 marks)

हिंदी में पढ़ें

(a) कृषि विस्तार में लक्ष्य समूह क्या होते हैं ? कृषि विज्ञान केंद्र ऐसे लक्ष्य समूहों तक पहुँचने के लिए क्या भूमिका निभा सकते हैं ? (20 अंक) (b) शुष्क भूमि कृषि में आकस्मिक फसल नियोजन के विभिन्न घटकों का वर्णन करें । (20 अंक) (c) भारत में कृषि विपणन की विभिन्न समस्याओं को सूचीबद्ध करें तथा इन समस्याओं के समाधान में बाजार आसूचना की भूमिका का भी वर्णन करें । (10 अंक)

Answer approach & key points

(a) explain: definition/context > points in order > small example > short close | (b) describe: define > structure or process in order > labelled diagram > significance | (c) analyse: intro > causes > effects > stakeholders/linkages > way forward Full marks: Precise definitions, specific KVK/IMD/e-NAM references, clear 'if-then' logic for planning.

  • List primary (farmers) and secondary (women, SC/ST, marginal) groups
  • Define KVK as a hub for demonstration and training
  • Describe KVK's role in bridging research and field
  • Mention specific KVK activities like field days or workshops
  • Define contingent crop planning (contingency planning)
  • Explain the 'if-then' decision tree structure
  • Link planning to rainfall thresholds (e.g., 50% of LRAI)
  • Mention specific dry land crops (e.g., Bajra, Moong, Guar)
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Q7
50M discuss Micro-irrigation, farm planning, Participatory Rural Appraisal

(a) Discuss about Micro-Irrigation Systems and their advantages in Indian Agriculture. (20 marks) (b) Describe the procedure of making successful farm plan. Write the characteristics of good farm planning. (20 marks) (c) Explain about Participatory Rural Appraisal technique for farmers' need identification. (10 marks)

हिंदी में पढ़ें

(a) सूक्ष्म सिंचाई प्रणालियों की विवेचना करें तथा भारतीय कृषि में इनके फायदे बताएँ । (20 अंक) (b) सफल प्रक्षेत्र योजना बनाने की प्रक्रिया का वर्णन करें । अच्छी प्रक्षेत्र नियोजन की विशेषताओं को लिखें । (20 अंक) (c) किसानों की आवश्यकताओं की पहचान के लिए सहभागी ग्रामीण मूल्यांकन तकनीक की व्याख्या करें । (10 अंक)

Answer approach & key points

Framework: Concept > Practice or process > Data > Indian application. (a) discuss: intro > 3-4 dimensions > example > balanced close | (b) describe: define > structure or process in order > labelled diagram > significance | (c) explain: definition/context > points in order > small example > short close Full marks: Comprehensive coverage of all sub-parts with specific examples, schemes, and tools.

  • Define micro-irrigation and list types (drip, sprinkler, sub-surface)
  • Explain water use efficiency and reduction in evaporation
  • Discuss nutrient delivery (fertigation) and yield improvement
  • Mention Indian context: water scarcity and PMKSY scheme
  • Outline procedure: data collection, goal setting, resource inventory
  • Describe evaluation of alternatives and final plan formulation
  • List characteristics: flexibility, realism, and specificity
  • Mention the role of record keeping in the process
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Q8
50M discuss Irrigation water quality, Integrated Nutrient Management, crop insurance

(a) Discuss the various parameters of quality of irrigation water. Write irrigation scheduling for pulses cultivation in arid and semi-arid regions. (20 marks) (b) Discuss the relevance of Integrated Nutrient Management in sustainable agriculture. Describe various types of biofertilizers. (20 marks) (c) Describe the importance of crop insurance for small and marginal farmers in India. Write the role of insurance companies for crop insurance. (10 marks)

हिंदी में पढ़ें

(a) सिंचाई जल गुणवत्ता के विभिन्न मापदंडों की विवेचना करें । शुष्क एवं अर्धशुष्क क्षेत्रों में दलहनी फसलों की खेती हेतु सिंचाई नियोजन को लिखें । (20 अंक) (b) टिकाऊ खेती में एकीकृत पोषण प्रबंधन की प्रासंगिकता की विवेचना करें । विभिन्न प्रकार के जैव उर्वरकों का वर्णन करें । (20 अंक) (c) भारत में लघु एवं सीमांत किसानों के लिए फसल बीमा के महत्व का वर्णन करें । फसल बीमा के लिए बीमा कंपनियों की भूमिका को लिखें । (10 अंक)

Answer approach & key points

Framework: Concept > Practice or process > Data > Indian application. (a) discuss: intro > 3-4 dimensions > example > balanced close | (b) discuss: intro > 3-4 dimensions > example > balanced close | (c) describe: define > structure or process in order > labelled diagram > significance Full marks: Precise parameters (EC/SAR), specific pulse stages, named biofertilizers (Azospirillum), and PMFBY details.

  • EC, SAR, RSC, and pH as quality parameters
  • Scheduling based on crop water requirement (CWR)
  • Critical growth stages for pulses (flowering/podding)
  • Specificity for arid/semi-arid water constraints
  • INM components: Organic, Inorganic, Biofertilizers
  • Sustainability benefits: Soil health, cost reduction
  • Types: N-fixers (Rhizobium), P-solubilizers, K-mobilizers
  • Mechanism of action for at least one biofertilizer
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