STATE OF ILLINOIS 

 DEPARTMENT OF REGISTRATION AND EDUCATION 

 NATURAL HISTORY SURVEY DIVISION 



EXPERIMENTAL FIELD STUDIES 

 ON SHADE TREE FERTILIZATION 



E. B. Himelick 



Dan Neely 



Webster R. Crowley, Jr. 



t 



Illinois Natural History Survey 

 Biological Notes No. 53 N »l mim sum 



nun 



Urb 



ana, Illinois 



June, 1965 



