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Experiment Stations INIA Treinta y Tres
INIA Treinta y Tres


INIA Treinta y Tres integrates the network of regional centres of the Instituto Nacional de Investigación Agropecuaria (INIA).  Its head offices and labs are located in the Department of Treinta y Tres, 8 kms. outside the capital city of this Department.


Experiment Station

Located in its head site are offices, laboratories, seed processing plant, administration, library and the regional director’s office. Besides, there are two Experiment Units belonging to this Regional Direction.

"Paso de la Laguna" Experiment Unit, which is representative of the Lowlands Zone (Zona Baja), is dedicated to research in rice, including also in itself the “Rice-Livestock Production Unit” (UPAG).

"Palo a Pique" Experiment  Unit (UEPP), is representative of the Rolling Uplands  Zone, dedicated to research on: cow-calf and sheep livestock systems, pastures, and crops and livestock rotation systems.



Brief History

1970 – The “Estacion Experimental del Este” (Eastern Experiment Station) is created by means of a National Decree of September 17th 1970, as a result of the work and recommendations emerged from the Economic and Social Development Program of the Merin Lake Basin (a three-party Project by the Governments of Uruguay and Brazil together with UNDP/FAO) and priorities allocated by Uruguay’s Ministry for Livestock and Agriculture, to the solution of technological problems for the farming systems of the Eastern Region. The said Experiment Station initiates its activities within the administration of the “Centro de Investigaciones Agrícolas Alberto Boerger” (CIAAB).

1989 – National Act 16.065 creates the National Institute for Agricultural Research (Instituto Nacional de Investigacion Agropecuaria – INIA). Along with it “Estación Experimental del Este” becomes one of its regional centres.

1998 – A new building for INIA Treinta y Tres headquarters is inaugurated on Route 8 Km. 281.



INIA – Treinta y Tres Today

Besides having its headquarters located in the Department of Treinta y Tres, this Station extends its influence to the Departments of Rocha, Maldonado, Lavalleja and parts of Cerro Largo, covering an area of approximately a fourth of the national territory.

Broadly, three zones are to be distinguished:

·        High Upland or Hill Zone, with moderate to steep slopes, and a high proportion of shallow soils, is clearly an area for livestock.

  • Rolling Upland Zone, with more gentle slopes and deeper soils, it is also livestock country although it potentially allows for a conservationist mixed livestock and crops farming.
  • Lowland or Rice Plains Zone, so called because of its characteristic flat topography and for the typical crop farmed in these soils.

Most of the area is dedicated to extensive farming systems, with beef and wool as the most important products of this region.  Rice, on its side, sown to less than 2% of the total regional area, accounts for nearly 30% of the Regional Gross Product.


At INIA Treinta y Tres six National Research Programs have projects or support activities being developed: Meat and Wool, Pastures and Forages, Production and Environmental Sustainability, Rainfed Crops, Vegetable Crops and Family Farming. It is also the head location for INIA’s NationalRice Research  Program.





Sra. Belky Mesones
E.mail: bmesones@inia.org.uy

Address: Ruta 8, Km. 281 - Treinta y Tres.
Tel:               598 (045) 22023        - Fax: 598 (045) 257

For more information on Libraries access: Library




Estación Experimental INIA-Treinta y Tres
Ruta 8 Km. 282 - Treinta y Tres
Tel.: ++ 598 452 2023
Fax: ++ 598 452 5701
E-mail: iniatt@tyt.inia.org.uy