52 FOOD FOR PLANTS 



hand, over the entire surface of the tobacco field you 

 are fertilizing, at the rate of 150 pounds per acre. 

 One hundred and fifty pounds of Nitrate is equal in 

 bulk to about one and one-half bushels. 



Formula for Tobacco. 



Nitrate alone 150 lbs. per acre 



or preferably 



Nitrate 200 lbs. per acre 



Acid Phosphate 200 lbs. per acre 



When potash salts can conveniently be obtained 

 we advise the use of fifty pounds of sulphate of 

 potash to the acre every other year. 



