EARLY CELERY 131 



all growers. There are several require- 

 ments that a spraying machine should in- 

 clude to give the highest results.' 



1. It should have a pump of large enough 

 capacity to maintain a pressure of about 100 

 pounds. 



2. It should have an agitator arranged so 

 that it will keep the mixture in motion at, 

 all times. 



Growing early Celery under canvas, to obtain the 



earliest product. 

 Photo by C. E. Dimon. 



3. It should have sensible arrangement 

 of the nozzles, the more modern method 

 being with two nozzles arranged to 'throw 

 the spray at each side of the row of celery, 

 thereby completely covering all parts of the 

 plant. 



