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ICAR AIEEA (PG) JRF - Agricultural Meteorology Syllabus & Exam Pattern

Prepare for your exam with the latest official syllabus, detailed topic-wise breakdown, and mark distribution.

Comprehensive syllabus for the ICAR JRF (Junior Research Fellowship) entrance exam for the discipline \'Agricultural Meteorology\'. Important: This falls under the Major Subject Group \'Physical Science\' (Code 03). There is a COMMON Question Paper for this entire group. Therefore, to secure a rank in Ag. Meteorology, you must also prepare the Soil Science syllabus, as the paper contains questions from all sub-subjects in the group.

Exam Overview

Conducting Body National Testing Agency (NTA)
Exam Frequency Annual
Major Subject Group Physical Science (Code 03)
Subjects in Group Ag. Meteorology, Soil Science, Ag. Physics, Ag. Chemicals
Total Marks 480 (120 Questions x 4 Marks)

Exam Pattern

Exam Structure
Section Content Questions Marks
Part A General Knowledge / General Agriculture 20 MCQs 80
Part B Core Subject Group (Meteorology + Soil Science + Physics) 100 MCQs 400
Total 120 MCQs 480

Strategy Note: The paper is usually dominated by Soil Science questions (~50-60%) and Ag. Meteorology/Physics questions (~30-40%). You cannot clear this exam by studying Meteorology alone.

Subject-wise Syllabus

General Meteorology
Agricultural Meteorology
Forecasting & Climate
Related Subjects
Core Unit: General Meteorology & Atmosphere +
  • • The Atmosphere High
    Vertical structure of atmosphere (Troposphere to Thermosphere); Composition of air; Standard atmosphere; Atmospheric pressure: Vertical variation, Isobars, Pressure gradient force, Coriolis force, Geostrophic wind, Gradient wind.
  • • Solar Radiation Very High
    Nature of radiation; Laws of radiation (Planck's, Stefan-Boltzmann, Wien's, Kirchhoff's); Solar Constant; Depletion of solar radiation (Absorption, Scattering, Reflection); Albedo (Planetary and Surface); Net Radiation; Greenhouse effect.
  • • Atmospheric Temperature High
    Daily and seasonal variations; Vertical temperature distribution (Lapse rates: ELR, DALR, SALR); Inversion of temperature (Types and significance); Adiabatic processes; Heat budget of Earth.
  • • Atmospheric Humidity Medium
    Vapor pressure (Saturation VP); Relative Humidity, Absolute Humidity, Specific Humidity, Mixing Ratio; Dew point temperature; Psychrometry principles; Condensation nuclei.
Core Unit: Applied Agrometeorology +
  • • Monsoon & Precipitation Very High
    Forms of precipitation (Rain, Drizzle, Snow, Hail, Dew, Frost); Mechanism of Indian Monsoon (South-West and North-East); Onset and withdrawal; Monsoon depressions; Western disturbances; El Nino, La Nina, and ENSO effects on Indian agriculture; Cyclones and Anticyclones.
  • • Crop Weather Relations High
    Phenology; Cardinal temperatures; Growing Degree Days (GDD); Photothermal Units (PTU); Heliothermal Units (HTU); Photoperiodism; Vernalization; Effect of weather variables on crop growth and yield.
  • • Evapotranspiration (ET) High
    Evaporation vs Transpiration; Potential Evapotranspiration (PET) vs Reference ET (ETo); Measurement (Lysimeters, Pan evaporimeter); Estimation methods (Penman-Monteith, Thornthwaite, Blaney-Criddle); Water Use Efficiency (WUE).
  • • Weather Hazards Medium
    Drought (Types: Meteorological, Hydrological, Agricultural); Floods; Frost damage and control; Heat waves and Cold waves; Wind protection (Shelterbelts and Windbreaks).
Core Unit: Forecasting, Micromet & Climate Change +
  • • Weather Forecasting High
    Types: Nowcasting, Short range, Medium range, Long range; Methods: Synoptic, Statistical, Numerical Weather Prediction (NWP); Agromet Advisory Services (AAS) in India; NCMRWF.
  • • Micrometeorology Medium-High
    Definition and scope; Boundary layer climatology; Microclimate of crop canopies; Wind profiles (Logarithmic law); Surface energy balance (Bowen ratio).
  • • Climate Change Medium
    Global Warming; Greenhouse Gases (GHGs) and their GWP; Impact of climate change on agriculture; Mitigation and Adaptation strategies; International protocols (Kyoto, Montreal, Paris Agreement); IPCC.
  • • Remote Sensing in AgMet Low-Medium
    Basics of RS; Spectral reflectance of vegetation, soil, water; Vegetation Indices (NDVI); Satellite applications in weather forecasting and drought monitoring.
Crucial: Related Physical Science Subjects +
  • • Soil Science (Mandatory) CRITICAL (50% of Paper)
    See Soil Science Syllabus. Focus on: Soil Physics (Texture, Structure, Soil Water, Soil Temp), Soil Fertility (Nutrients), and Soil Chemistry (Colloids).
  • • Agricultural Physics Low
    Basic physics principles applied to agriculture; Thermodynamics; Fluid mechanics.

Recommended Books

Book NameAuthor/PublisherImportance
Principles of Agronomy and Agrometeorology S.R. Reddy Essential (Basics)
Introduction to Agrometeorology H.S. Mavi High (Standard Text)
Agricultural Meteorology G.S.L.H.V. Prasada Rao High (Good for Indian context)
General Meteorology H.R. Byers Medium (For conceptual physics)
Textbook of Agricultural Meteorology M.C. Varshneya and P.B. Pillai Medium

Frequently Asked Questions

I only want to study Ag Meteorology. Do I really have to study Soil Science? +

Yes. The exam code 03 (Physical Science) is a single paper. You will be competing against Soil Science students answering the same paper. If you skip Soil Science questions (which are 50-60% of the paper), you will not score enough to get a rank.

What instruments should I know? +

Study the working principles of: Stevenson Screen, Max-Min Thermometer, Thermograph, Barometer (Aneroid/Mercury), Anemometer (Cup), Wind Vane, Psychrometer, Hair Hygrograph, Rain gauge (Non-recording/Recording), Pyranometer, Sunshine Recorder (Campbell-Stokes).

Are Köppen's Climate Classifications asked? +

Yes. You should know the major climatic groups (A, B, C, D, E) and the specific codes for Indian climate regions.

Which institutes are best for M.Sc. Ag. Meteorology? +

PAU Ludhiana, CCS HAU Hisar, Anand Agricultural University (AAU), and GBPUAT Pantnagar are renowned for their AgMet departments.