Appendix 8 1 89 



costs per tubewell. Irrigated acreage in the land series did 

 not include this irrigation. 



d. Tractors: Prices from Agricultural Prices in India and from 

 Escorts Limited. 



e. Implements: Prices from Tara Shukla, Capital Formation in 

 Indian Agriculture, Vora and Co., Bombay, 1965, updated 

 through wholesale price index. 



/. Bullocks: Prices obtained from Punjab Farm Account 

 data and from Farm Management Survey data. Depreciation 

 maintenance and fodder included in the overall price, 

 since much livestock feed is not captured in the output 

 data. 



g. Labor: Wage rates from Agricultural Wage Rates in India 

 (1971 data provided by the Ministry of Agriculture) were 

 averaged over districts, months, and tasks. Males and 

 females were given separate wages, and cultivators were 

 given the same average wage as the field laborers. 



4. The annual input index growth rates were weighted by 

 1960-61 factor share from 1963 to 1961-62, by 1965 shares 

 from 1962-63 to 1967-68, and by 1970 shares for the remain- 

 ing years. These weighted aggregate input index changes 

 were incremented to form the input index. 



