No. 6. 



DEPARTMENT OF AGRICULTURE. 



901 



A compui'isoii of I lie a\tM'a.ii-e composition of all saiupieB of com 

 plete fertilizers for which .i^uarauties are recorded with the average 

 of the correspouding guaranties, for several seasons past including 

 those of this season follows: 



Average Composition and (Juaiiinty Compared. 



Fall, 1901. 

 Phosphoric acid: 



Total 



Available, 



Potash 



Nitrogen, 



Spring, 1902. 

 Phosphoric acid: 



Total 



Available 



Potash, 



Nitrogen, 



Fall, 1902. 

 Phosphoric acid: 



Total 



Available 



Potash 



Nitrogen 



Spring, 190.3. 

 Phosphoric acid: 



Total 



Available, 



Potash 



Nitrogen, 



Fall, 1903. - 

 Phosphoric Acid: 



Total 



Available 



Potash 



Nitrogen, 



A comparison of selling prices with the computed commercial 

 value is presented in the following table: 



