TaCRI’s Sirari Sub-Station in Tarime is one of the two newest sub-stations to serve coffee growers in Tarime District that lies near Lake Victoria bordering Kenya. Tarime is reknown for its natural (hard) Arabica coffee. The district has an estimated 35,000 ha that can be put under coffee production. Area under coffee production currently stands at 2,850 ha under Arabica production and 50 ha under Robusta production by about 7,750 smallholders in 46 villages for natural Arabica and about 400 farmers in 15 villages for Robusta. Average production for the district is around 2,300 tons per year - an average of 0.38 tons per ha of clean coffee.
Tarime receives bi-modal rainfall of between 1200-1600mm (highlands) and 900-1200mm (midlands). The long rainy period is between March and May and short rainy period is between August and November.
Function of Sirari Sub-Station is to support the development of the coffee industry in Tarime and adjacent districts by disseminating proven technologies to district extension staff, farmers, and estates through the provision of training courses, promoting extension messages, to support the central research programme by facilitating on farm and on station research, facilitate effective two-way linkages, facilitate Participatory Approach and implement Village Based Training.