Those who intend to spray next year should'try 40 gallons 

 per acre of a 10 and a 15 per cent solution of Sulphate of Iron 

 at the proper stage. 



V. EFFECT ON THE CORN 



The crops sprayed comprised both oats, barley, and the 

 spring wheat. In a few cases it was reported that after spray- 

 ing the corn became greener, but certainly this applied to the 

 portions dressed with Sulphate of Iron rather than to those 

 dressed with Sulphate of Copper. There was no complaint 

 from any centre of deterioration either in quality or quantity 

 of the grain crops sprayed. Neither was there any difference 

 observed in times of ripening. 



VI. EFFECT ON CLOVERS AND GRASSES 



The experiments conducted by me last year in Scotland 

 on the spraying of charlock growing among young seeds led 

 me to the conclusion that the npplication of Sulphate of Iron 



(For description see following page) 



