State : Tamil Nadu
Agro Climatic Region: East Coast Plains & Hills Region

NARP Zone Zonal Research Station Districts Suitable Crops Crop Information
TN-1 North-eastern Zone   Vridhanchalam   Chingleput, North Arcot, South Arcot, Aniyalur, Perambalur in Tiruchirapalli district.   Rice, Shorghum, Pearlmillet, Fingermillet, Redgram, Sugarcane, Groundnut, Gingelly.  RICE ,
PEARLMILLET ,
PIGEONPEA ,
SUGARCANE
 
TN-4 Cauvery Delta Zone   Aduthurai   Tanjore district and Muisri, Thiruchirapalli, Lalgudi, Tharaiyar, Kulithalai Talukas of Tiruchirapalli district, Aranthangi Taluk of Padukottai, Chidambaram and Kattumannarkoil Talukas of South Arcot district.  Rice, Maize, Cholam, Cumbu, Ragi, Blackgram, greengram, Groundnut, Coconut, Gingelly, castor.  RICE ,
MAIZE ,
BLACKGRAM ,
GREEN GRAM
 
TN-5 Southern Zone High Rainfall Zone   Aruppukottai   Ramanathapuram and Tirunelvali district, Dindigul, Natham, Mehur, Tirumangalam, Maduri North and South, Pudukkottai district,Kanyakumari district.  Rice, Maize, Cholam, Cumbu, Ragi, Blackgram, greengram, Groundnut, Cotton, Fodder crops, Gingelly, castor.  RICE ,
MAIZE ,
BLACKGRAM ,
GREEN GRAM
 

Agro Climatic Features of the Sub Regions
Sub Region Rainfall(in mm) Climate Soil Crop
North Orissa Coast  1287  Moist sub-humid  Deltaic alluvial, coastal alluvial, laterite, red   Rice, groundnut, jute, sesame, Ragi 
South Coastal Andhra  996  Semi-arid  Deltaic alluvium, deep black, red, sandy, red & bl  Rice, cotton, Jowar, tobacco, groundnut 
North Coastal Tamil Nadu  1036  Semi-arid  Red loamy, red sandy, coastal alluvium  Rice, groundnut, Bajra, Jowar 
North Coastal Andhra  1128  Dry sub-humid  Red loamy, laterite medium black, red, sandy, coas  Rice, Ragi, groundnut, Bajra, sesame 
Tanjavur  1113  Semi-arid to dry sub-humid  Deltaic alluvium, red loamy  Rice, groundnut, sesame, sugarcane 
South Coastal Tamil Nadu  780  Semi-arid (drier half)  Mixed Red & Black, coastal alluvium  Rice, cotton, Bajra, groundnut 
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Agro Climatic Regions in Tamil Nadu

State : Tamil Nadu
Agro Climatic Region: Southern Plateau and Hills Region

NARP Zone Zonal Research Station Districts Suitable Crops Crop Information
TN-2 North-western Zone   Paiyur   Dharmapuri District excluding hill areas, Salem excluding Tiruchengode, Perambalur Taluk of Tiruchirapalli district.  Sorghum, rice, Groundnut, Finger millet, Horse gram, Little millet, Tapioca, Cotton, Sugarcane, Cotton, Gingelly, Kodomillet, Vegetables, Mango, Tobacco, Chillies, Banana, Pulses.  RICE ,
SORGHUM ,
GROUNDNUT ,
TAPIOCA
 
TN-3 Western Zone   Bhawanisagar   Periyar and Coimbatore district, Tiruchengode, Taluk of Salem, Karur Taluk of Tiruchirapalli and Northern part of Madurai.  Sorghum, groundnut, Rice, Pulses , Millets, Cumbu, Sugarcane, Cotton, Ragi, Blackgram, Greengram, Gingelly, Sunflower, Redgram, Turmeric, Maize, Banana, Castor, Onion, Tobacco, Vegetables, Spices& Plantation crops, Tuber crops, Flower& others.  SORGHUM ,
TURMERIC ,
MAIZE ,
ONION
 

Agro Climatic Features of the Sub Regions
Sub Region Rainfall(in mm) Climate Soil Crop
South Region of Karnataka and North Region of Tamilnadu (Sub-region-5)  865  Semi-arid  Red loamy, red sandy  Ragi, Jowar, groundnut, rice 
Northern Dry Region of Karnataka (Sub-region-1)  769  Semi-arid & arid  Medium, black, Red loamy  Jowar, cotton, groundnut, Bajra 
South Telangana (Sub-region-3)  725  Semi-arid & arid  Red sandy, medium to deep black  Jowar, rice, castor, groundnut 
North Telangana (Sub-region-4)  1001  Semi-arid (wetter half)  Deep black, medium black  Rice, Jowar, maize, cotton, groundnut 
Central Region of Karnataka and Rayalseema (Sub-region-2)  677  Semi-arid  Red loamy, medium black, red sandy, coastal alluvi  Groundnut, Ragi, Jowar, Rice 
Central Plateau of Tamilnadu (Sub-region-6)  841  Semi-arid to Dry sub-humid  Mixed red and black red loamy, deltaic alluvium  Rice, Jowar, groundnut, Bajra 
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Agro Climatic Regions in Tamil Nadu

State : Tamil Nadu
Agro Climatic Region: West Coast Plains & Ghats Region

NARP Zone Zonal Research Station Districts Suitable Crops Crop Information
TN-6 High Rainfall Zone   Pechiparai  Kankyakumari District  Rice, banana, Mango, Jackfruit Tapioca, Ceshewnut, Cocconut, Tamarind, Palmayr, Clove, Vegeatables.  RICE ,
BANANA ,
PALMYRA ,
TAPIOCA
 
TN-7 High Altitude   Thadiankudisai   Nilgiris, Shevroys, Elagiri-Javachi, Kollimalai, pachdi Malai, Annamalais, Palnis and Podhezai Malai.  Wheat, Garllic, Lime, Lemon, Pomegranet, Beans Chowchow, Cotton, Pineapple, Pepper, Cardemum,Coffee, Potato,Banana, Mandarin, Orange, Pear,   RICE ,
BANANA ,
COFFEE ,
POTATO
 

Agro Climatic Features of the Sub Regions
Sub Region Rainfall(in mm) Climate Soil Crop
Hilly  226  Per humid  Red loamy, mixed red and black  Rice, Ragi, Jowar, groundnut 
Coastal Hilly  3640  Per humid & humid  Laterite, red loamy, coastal alluvium  Rice, Ragi, sesame, niger 
Coastal Midland  3127  Dry sub-humid & per humid  Red loamy, coastal alluvium, laterite  Rice, tapioca, Ragi, banana 
Midland  2727  Per humid  Laterite, red loamy, coastal alluvium  Rice, tapioca, groundnut, banana 
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