Zone Area Total Area (million ha) District Covered Average Rainfall (mm) Temp OC Major Crops Soils Agriculture Research Station  Adaptive Trial Centres 
Max. Min. Kharif Rabi
IA Arid western plain 4.74 Barmer & part of Jodhpur 200-370 40.0 8.0 Pearlmillet Mothbean Sesame Wheat, Mustard, Cumin Desert soils and sand dunes aeolian soil, coarse sand in texture some places calcareous Mandore, Jodhpur Rampura
IB Irrigated north western plain 2.10 Sriganganagar, Hanumangarh 100-350 42.0 4.7 Cotton, Clusterbean Wheat, Mustard, Gram Alluvial deposites calcareous, high soluble salts & exchangeable sodium Ganganagar Shri Karanpur, Ganganagar & Hanumangarh
IC Hyper arid partial irrigated zone 7.70 Bikaner, Jaisalmer, Churu 100-350 48.0 3.0 Pearlmillet Mothbean Clusterbean Wheat, Mustard, Gram Desert soils and sand dunes aeolian soil, loamycoarse in texture & calcareous Beechwal Bikaner Loonkaran Bikaner
IIA Internal drainage dry zone 3.69 Nagaur, Sikar, Jhunjhunu, Part of Churu 300-500 39.7 5.3 Pearlmillet Clusterbean Pulses Mustard, Gram Sandy loam, sallow depth red soils in depressions Fatehpur, Sikar  
IIB Transitional plain of Luni basin 3.00 Jalore, Pali, Part of Sirohi, Jodhpur 300-500 38.0 4.9 Pearlmillet Clusterbean sesame Wheat, Mustard Red desert soils in Jodhopur, Jalore & Pali sierzems in Pali & Sirohi Keshwana, Jalore Sumerpur, Pali
IIIA Semi arid eastern plains 2.96 Jaipur, Ajmer, Dausa, Tonk 500-700 40.6 8.3 Pearlmillet Clusterbean Sorghum Wheat, Mustard, Gram Sierozens, eastern part alluvial, west north west lithosols, foot hills, brown soils Durgapura, Jaipur Tabiji, Ajmer
IIIB Flood prone eastern plain 2.77 Alwar, Dholpur, Bharatpur, Karoli, S.Madhopur 500-700 40.0 8.2 Pearlmillet Clusterbean Groundnut Wheat, Barley, Mustard, Gram Alluvial prone to water logging, nature of recently alluvial calcareous has been observed Navgaun, Alwar Malikpur, Bharatpur
IVA Sub-humid southern plains 3.36 Bhilwara, Sirohi, Udaipur, Chittorgarh 500-900 38.6 8.1 Maize, Pulses, Sorghum Wheat, Gram Soil are lithosolsat foot hills & alluvials in plains Udaipur Chittorgarh
IVB Humid sothern plains 1.72 Dungarpur, Udaipur, Banswara, Chittorgarh 500-1100 39.0 7.2 Maize, Paddy Sorghum Blackgram Wheat, Gram Predominantly reddish medium texture, well drained calcareous, shallow on hills, deep soils in valleys    
V Humid south eastern plain 2.70 Kota, Jhalawar, Bundi, Baran 650-1000 42.6 10.6 Sorghum Soyabean Wheat, Mustard Black of alluvial origin, clay loam, groundwater salinity Ummedganj, Kota Chattarpura, Bundi