Rough Land in Preparation for Grass Seeding 

 Highland Experimental Farms, 1907. 



RESULTS OF FIELD EXPERIMENTS. 

 Average gross profit per annum and per acre: 



With -complete dressing 

 No. of years With Complete Without 



of experiment. Dressing. Phosphoric Acid. 



3 

 8 

 8 



2 



2 



6 

 6 

 4 

 3 

 4 



Average 



$14.86 



27-33 

 18.19 

 14.19 

 24.57 

 18.85 

 20.48 

 15.05 

 17.90 

 14.48 



$18.590 



$10.10 



12.95 



12.57 



9.62 



16.95 



4-95 

 16.29 

 12.95 

 18.10 



7.52 



$12.200 



$14.266 



3.878 



A mere cursory glance at this table will show you that 

 on each of the ten fields the highest gross profit has been 

 obtained by the complete dressing. If phosphoric acid or 

 potash was omitted, the gross profit fell, but it fell to the 



