Regional Agricultural Research Station (RARS) for High range zone is located at Ambalavayal Wayanad district. Ambalavayal is located about 25 km east of Kalpetta, the district headquarter. The station was established under Ex Service men Colonisation programme Wayanad, in 1946 by the then Madras Government. It became a part of Department of Agriculture, Government of Kerala in 1956 and was renamed as Central Horticultural Research Station in 1966. It was transferred to Kerala Agricultural University in 1972 and elevated as Regional Agricultural Research Station for High Range Zone in 1983.
The lead function of the station is to provide research support for agriculture in the High Range zone (Wayanad & Idukki districts and Nelliyampathy area of Palakkad district). Cardamom Research Station, Pampadumpara, Idukki district is a substation of RARS Ambalavayal. Research programmes on crop breeding and management aspects of pepper, ginger, rice, scented rice and cool season vegetables; studies on crop weather relationships, soil fertility management etc are undertaken. Research and infrastructure development programmes are funded by a number of agencies including Indian Council of Agricultural Research (ICAR), National Horticulture Mission (NHM), State Horticulture Mission (SHM), Rashtriya Krishi Vikas Yojana (RKVY), India Meteorological department (IMD) and Government of Kerala. At present there are eleven state funded research/development projects and fourteen programmes supported by other agencies.