

Compiled May 1958 by 



The State Experiment Stations Division, Agri- 

 cultural Research Service, U.S. Department of 

 Agriculture, Washington 25, D. C, for use of 

 workers in agricultural research in the subject- 

 matter areas presented. For information on 

 specific research projects write to the Director 

 of the Station where the research is being con- 

 ducted. 



Issued July 1958 



ii 



