Massachusetts 

 Agricultural Experiment Station 



BULLETIN No. 227 FEBRUARY, 1926 



THE CONNECTICUT VALLEY 

 ONION INDUSTRY 



PROGRESS REPORTS 

 OF 



EXPERIMENTAL WORK 



This bulletin contains four papers summarizing the experimental work 

 of the Station which is of special value to onion growers. The subjects 

 reported upon are as follows: 



The Present Status of the Connecticut Valley 



Onion Industry Lorian P. Jefferson 



Fertilizers for Connecticut Valley 



Onions A. B. Beaumont and O. E. Street 



Onion Blight or Downy Mildew A. Vincent O 



smun 



A Study of the Life History and Control of 



the Onion Thrips A. I. Bourne 



Requests for bulletins should be addressed to 



AGRICULTURAL EXPERIMENT STATION 



AMHERST, MASS. 



