Northwestern Zone

The districts covered Salem, Namakkal, Dharmapuri, and Krishnagiri. The climate in this Zone is semi-arid, with hot and limited rainfall during the monsoon season. The annual rainfall was 875 mm. The region has predominantly red and laterite soils, less fertile than alluvial soils. The crops cultivated in this are Rice, Sorghum, Groundnut, Pulses, Millet (Pearl millet, Finger Millet), Cotton, and Gingelly. Plantation crops such as Arecanut, Cocoa, Coconut, and Pepper are grown.

Predominant Crop Impact

Base Period (1985-2014)                     Near Century (2021-2050)