550 ANNUAL EEPORTS OF DEPARTMENT OF AGRICULTURE. 



pleted and the first year's work done in a three-year study of the 

 cost of producing wheat in Sherman County, Oreg. Tabulation of 

 data from the 1921 cotton-cost study has been completed and 200 

 new cotton-cost records have been obtained in Alabama. The rice- 

 cost survey, begun late in the fiscal year 1921, has been practically 

 completed; work on a study of potato costs has been brought to a 

 close, and a preliminary survey has been made in the sugar-cane 

 region of Louisiana with a view to making a study of the cost of 

 producing sugar. 



In a study of the cost of keeping horses and cost of horsepower, 

 274 records were obtained during the year. A report of this study 

 has been submitted for publication. 



Work has been completed on the summarization of available ma- 

 terial on basic-cost factors of staple crops, and the results have been 

 published in Department Bulletin 1000, Labor and Material Re- 

 quirements of Field Crops, which constitutes a reference work in the 

 field of cost studies. The results of these studies are summarized in 

 the following table. 



