Agro-Climatic Zones

The National Agricultural Research Project was launched in 1979 by the Indian Council of Agricultural Research (ICAR) for agro climatic zonation or ecological land classification. It listed 126 zones.

  • The National Bureau of Soil Survey & Land Use Planning (NBSS&LUP) in 1992 gave twenty agro-ecological zones based on the growing period as an integrated criterion of effective rainfall, soil groups, delineated boundaries adjusted to district boundaries with a minimal number of regions.
  • Finally, in 1988, the Planning Commission divided India into 15 agro-climatic regions with 73 sub-regions.

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