Source-wise Irrigated Area in Karnataka
Unit: Area in Lakh hectares
Sl. Source 1990-91 2000-2001 2010-11 2011-12 % of Gross area
No.   Net Gross Net Gross Net Gross Net Gross
1 Canals 8.62 10.92 9.66 12.54 11.57 15.22 11.78 14.73 36
2 Tanks 2.40 2.68 2.61 3.04 1.97 2.23 1.78 1.96 5
3 Wells 5.40 6.70 4.79 5.73 4.37 4.99 4.23 4.75 11
4 Tube/Bore  Wells 1.73 2.25 5.39 6.81 12.81 15.55 12.78 15.40 37
5 Lift Irrigation  1.23 1.43 0.95 1.20 1.06 1.33 0.90 1.17 3
6 Other Sources * 1.75 2.00 3.03 3.39 3.12 3.47 2.93 3.36 8
  Total 21.13 25.98 26.43 32.71 34.90 42.79 34.40 41.37 100
  * Includes temporary irrigation also.              
Source: Annual Seasonal and Crop Report of DE&S. Bangalore.