Compiled May 19^8 by 



The State Experiment Station Stations Division, Agricultural 

 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 conducted. 



Issued June 1958 



ii 



