🗺️ Agro-Climatic Zones of India

The same crop recommendation cannot be used everywhere in India. Rainfall, temperature, soils, relief, and growing period change too much from region to region. Agro-climatic zoning was developed to solve that problem by grouping areas with similar agricultural conditions so crop planning becomes more realistic.

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What is an agro-climatic zone?

An agro-climatic zone is a region grouped on the basis of factors such as:

• climate
• rainfall
• soil
• topography
• length of growing period

The purpose is practical. Zoning helps match:

• crops
• varieties
• farming systems
• water-management strategies
• regional technologies

to the local environment.

Agro-climatic zoning is a planning tool that reduces the risk of using unsuitable crop recommendations in unsuitable regions.

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Why agro-climatic zoning matters in agronomy

Zoning helps in:

• selecting suitable crops and cropping systems
• planning region-specific technology transfer
• matching irrigation need with rainfall environment
• reducing climate-related production risk
• improving regional agricultural planning

In short, zoning converts climate information into farm-planning value.

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Planning Commission agro-climatic regions of India

The source notes that the Planning Commission divided India into 15 agro-climatic regions. The exact boundaries are administrative and ecological, but the agronomic purpose is to distinguish major production environments.

1. Western Himalayan Region

Includes areas such as:

• Jammu and Kashmir
• Himachal Pradesh
• hill parts of northern India

General features:

• cold-region and mountain soils
• steep slopes
• undulating terrain

2. Eastern Himalayan Region

Includes:

• Assam
• Sikkim
• West Bengal hill areas
• north-eastern states

General features:

• high rainfall
• high forest cover
• shifting cultivation in some areas
• runoff and erosion problems in disturbed areas

3. Lower Gangetic Plains Region

Mainly associated with:

• West Bengal

General features:

• alluvial soils
• flood proneness in many tracts

4. Middle Gangetic Plains Region

Includes:

• parts of Uttar Pradesh
• Bihar

General features:

• important agricultural plains
• considerable irrigation in the cropped area

5. Upper Gangetic Plains Region

Includes parts of:

• Uttar Pradesh

General features:

• canal and tube-well irrigation
• strong groundwater potential

6. Trans-Gangetic Plains Region

Includes:

• Punjab
• Haryana
• Delhi
• adjoining plains

General features:

• high sown area
• high irrigation intensity
• high cropping intensity
• strong groundwater use

7. Eastern Plateau and Hills Region

Includes parts of:

• Maharashtra
• Uttar Pradesh
• Odisha
• West Bengal

General features:

• irrigation through canals and tanks in parts
• shallow to medium-depth soils

8. Central Plateau and Hills Region

Includes parts of:

• Madhya Pradesh
• Rajasthan
• Uttar Pradesh

9. Western Plateau and Hills Region

Includes parts of:

• Maharashtra
• Madhya Pradesh
• Rajasthan

General feature noted in the source:

• average rainfall around 904 mm

10. Southern Plateau and Hills Region

Includes parts of:

• Andhra Pradesh
• Karnataka
• Tamil Nadu

General features:

• important dry-farming areas
• cropping intensity around 111% in the source notes

11. East Coast Plains and Hills Region

Includes:

• Odisha
• Andhra Pradesh
• Tamil Nadu
• Puducherry

General features:

• canal and tank irrigation in many tracts

12. West Coast Plains and Ghats Region

Includes parts of:

• Kerala
• Goa
• Karnataka
• Maharashtra
• parts of Tamil Nadu

General features:

• varied rainfall
• varied soils
• diversified cropping patterns

13. Gujarat Plains and Hills Region

Mainly:

• Gujarat

General features:

• arid to semi-arid conditions in many parts
• low rainfall over large areas
• irrigation through wells and tube wells

14. Western Dry Region

Mainly:

• Rajasthan desert and adjoining dry tracts

General features:

• hot sandy desert
• erratic rainfall
• high evaporation
• scanty vegetation
• deep and often brackish groundwater
• frequent drought or famine tendency

15. The Islands Region

Includes:

• Andaman and Nicobar Islands
• Lakshadweep

General features:

• equatorial character
• very high rainfall
• long rainy season
• large forest cover

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Agro-climatic zones of Andhra Pradesh

The source further divides the cropped area of Andhra Pradesh into seven zones based mainly on rainfall, soil type, and topography.

1. Krishna-Godavari Zone

Includes parts of:

• East Godavari
• West Godavari
• Krishna
• Guntur
• adjoining areas of Khammam, Nalgonda, and Prakasam

General features:

• rainfall about 800-1100 mm
• deltaic alluvium, red soils with clay, red loams, coastal sands, and saline soils

Important crops:

• paddy
• groundnut
• jowar
• bajra
• tobacco
• cotton
• chillies
• sugarcane
• horticultural crops

2. North Coastal Zone

Includes:

• Srikakulam
• Vizianagaram
• Visakhapatnam
• uplands of East Godavari

General features:

• rainfall around 1000-1100 mm
• strong south-west monsoon influence
• red soils with clay base, acidic pockets, and lateritic soils

Important crops:

• paddy
• groundnut
• jowar
• bajra
• mesta
• jute
• sunnhemp
• sesame
• black gram
• horticultural crops

3. Southern Zone

Includes:

• Nellore
• Chittoor
• southern parts of Prakasam and Cuddapah
• eastern parts of Anantapur

General features:

• rainfall about 700-1100 mm
• red loamy soils

Important crops:

• paddy
• groundnut
• cotton
• sugarcane
• millets
• horticultural crops

4. North Telangana Zone

Includes:

• Adilabad
• Karimnagar
• Nizamabad
• northern Medak
• major parts of Warangal
• parts of Nalgonda and Khammam

General features:

• rainfall about 900-1500 mm
• chalkas, red sandy soils, deep loams, and very deep black soils

Important crops:

• paddy
• sugarcane
• castor
• jowar
• maize
• sunflower
• turmeric
• pulses
• chillies

5. Southern Telangana Zone

Includes:

• Hyderabad
• Rangareddy
• Mahabubnagar except southern border
• parts of Nalgonda
• southern Medak
• north-western Warangal

General features:

• rainfall about 700-900 mm
• red earth with loamy subsoil

Important crops:

• paddy
• sunflower
• safflower
• grapevine
• sorghum
• millets
• pulses
• orchard crops

6. Scarce Rainfall Zone

Includes parts of:

• Kurnool
• Anantapur
• western Prakasam
• northern Cuddapah
• southern border of Mahabubnagar

General features:

• rainfall about 500-750 mm
• red earths, red sandy soils, and some black cotton soils

Important crops:

• cotton
• korra
• sorghum
• millets
• groundnut
• pulses
• paddy in suitable pockets

7. High Altitude and Tribal Areas

Includes high and tribal tracts of:

• northern Srikakulam
• Vizianagaram
• Visakhapatnam
• East Godavari
• Khammam

General features:

• rainfall more than 1400 mm

Important crops:

• horticultural crops
• millets
• pulses
• chillies
• turmeric
• pepper

Summary Cheat Sheet

Topic	Key Point
Agro-climatic zone	Region grouped by climate, soils, rainfall, and related agricultural conditions.
Why zoning matters	Helps match crops, varieties, and technologies to the local environment.
India zoning basis	Climate, rainfall, soil, topography, and growing conditions.
Planning Commission regions	India was divided into 15 major agro-climatic regions in the source notes.
High-intensity plain regions	Trans-Gangetic and major Gangetic regions are important for irrigation and cropping intensity.
Dry-region example	Western Dry Region is hot, sandy, low-rainfall, and drought-prone.
Andhra Pradesh zoning	The source divides Andhra Pradesh into 7 agro-climatic zones.
Core agronomic lesson	Regional crop planning becomes stronger when recommendations follow agro-climatic reality.

References

1 source • [1]

[1]

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