FOOD FOR PLANTS 63 



with those secured in 1918, and confirm the view 

 that rational fertilizing with Nitrate does not appear 

 to exhaust the soil in the net result as much as does 

 doing without fertilizers. 



Instructions for Using Nitrate of Soda on Corn. 



As soon as the corn is planted in the spring, apply 

 the Nitrate of Soda by broadcasting it evenly over 

 the entire surface of the corn field you are fertilizing 

 at the rate of 200 pounds per acre, which is equal in 

 bulk to about two bushels. 



Our Formula for Corn. 



Nitrate alone 200 lbs. per acre 



or preferably 



Nitrate 300 lbs. per acre 



Acid Phosphate 300 lbs. per acre 



When potash salts can be conveniently obtained 

 we advise the use of fifty pounds of muriate of 

 potash to the acre every other year. 



