Source: Dhaliwal and Arora (2000).
Year Cost of cultivation Cost of insecticides
(Rs/ha) Value (Rs/ha) As percentage of cost cultivation
1974-75
1979-80
1984-85
1989-90
1994-95
1394-80
1531.82
2642.93
4199.37
17311.03
30.42
70.17
314.67
651.91
2243.19
2.1
4.6
11.9
15.5
13.0