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Agro-climatic Zonations in the IHR


Agro-climatic zone Climate Rainfall (in mm) State/regions
Zone I High altitude temperate                          (humid to cold arid) <1200 Jammu & Kashmir
Zone I Hill temperate  (per humid to sub-humid)  1200-1800 Himachal Pradesh and Uttaranchal
Zone II Per humid to humid 1800-2200 Nagaland, Mizoram, Manipur and Tripura
Zone II Per humid to humid 2200-2800 Sub Himalayan West Bengal, Sikkim, Assam and Meghalaya
Zone II Per humid to humid >2800 Arunachal Pradesh

[Source: Agro-climatic Regional Planning, Planning Commission, 1989]