97 



Slag Experiments— cow^J. 



Swedes (Hurst's Monarch) Produce per Acre. 

 Great Harpenden Field, 1922. 



Note.— "Full Quantity" Slag is No. 20, 1275 lb. per Acre. 



No. 2. 1225 ,. 

 No. 1. 875 .. 



Description of Slags Used. 



