1912 Started as Research Station at Manganallur
1922 Shifted to Aduthurai as Agricultural Research Station
1962 Upgraded as Regional Research Station
1973 University Research Centre (TNAU) started
1981 State Regional Research Station and University Research Centre merged and named as Tamil Nadu Rice Research Institute and brought under TNAU
1985 Elevated as Directorate



Extent                         :           64 hectares 
                      :           110 N

Longitude                   :           790 E
Altitude                       :           19.5 m MSL
Average Rainfall         :           1139.0 mm
Soil                             :           Alluvial clay
pH                               :           About 7.5 (normal)
Irrigation                     :           Borewells / filter points and Veera Chozhan channel


  • To meet the research requirements of the region with the help of existing Agricultural Colleges and Research centres
  • To perform lead function for rice and rice based cropping system research
  •  Acts as Co-ordinating Research Centre for rice in Tamil Nadu State, Directorate of Rice Research (Hyderabad), CRRI (Cuttack) and IRRI (Philippines)
  • To coordinate the research programmes of all the stations of the state on rice and rice based cropping system research
  • To serve as testing and verification centre for the technologies developed at other stations and applicable to the region
  • Organizing need based training programmes for farmers, farm women, unemployed youth and women self help groups
  • Conducting front line demonstration (FLD) for popularizing improved varieties and technologies
  • Rendering farm advisory service
  • Attending to office call made by extension personnel, farmers etc.
  • Coordinating with other development departments like state department of agriculture, horticulture etc. in research and extension activities.


  • Germplasm characterization for drought and micronutrients
  • Evolution of aerobic rice varieties with improved water use efficiency for garden land and rainfed cultivation
  • Development of rice varieties with excellent cooking and eating qualities for commercial value and export
  • Evaluation of high yielding rice varieties / hybrids to identify the resistant sources against major diseases in Cauvery Delta Zone
  • Enhancement of hybrid rice seed production through integrated management of sheath rot and grain discolouration
  • Research on bio fortification of rice with micronutrients iron and zinc  
  • Organic rice farming
  • Weed shift and their related problems
  • Precision farming to increase input use efficiency
  • Refinement of sustainable farming system models
  • Jute and Mesta as alternate crops for fibre production
  • Mechanization of rice cultivation
  • Upscaling and Extension of SSNM in cauvery delta region
  • Chemistry of organic / Natural Farming of Irrigated rice in the delta
  •  Copper Nutrition in Irrigated rice
  • Managing poor quality irrigation water for rice
  • IPM with emphasis of INM
  • Pest management strategies for organically grown rice
  • Development of eco-friendly botanical formulations for the management of major pests and diseases
  • Identification of effective newer antagonistic organism for disease management in rice
  • Training and up scaling of microbial techniques
  • Development of integrated disease management (IDM) strategies for major diseases in rice hybrids
  • TOT through cyber extension network
  • Suggesting market structure for organic farm produce

View of Main Building

TRRI, Aduthurai Entrance (Old)

Old View of Main Building

Breeding Unit Building

 Field trials in early days

During the Governer Alexander visit