»78 ANNUAL REPORT OP THE Off. Doc. 



AVERAGE COMPOSITION AND GUARANTY COMPARED— Continued 



FaU, 1911 

 Phosphoric acid: 



Total, ._ 



Available, — 



Potash, 



Kitro£en, 



9.09 

 7.87 

 3.39 

 1.19 



It is of interest to note how closely the series of valuations based 

 upon the wholesale price of raw materials in the principal inarkets 

 during the most important buying season and upon certain average 

 allowances for expenses and profits on the part of the mixer and 

 jobber, coincides with the retail prices later ascertained. A compari- 

 son for several seasons past is given below: 



COMPARISON OF SELLING PRICE AND VALUATION, 1906-1911 



Complete fertilizers 



1906, Spring, .. 

 Fall 



1907, Sprlnff, - 

 Fall, 



1908, Spring:, .. 

 Fall, 



1909, Spring, .. 

 Fall 



1910, Spring, .. 

 FaU, 



1911, Spring. .. 

 Fall, 



Dissolved bone: 



1905, Spring, — 

 FaU, 



1906, Spring, — 

 FaU, 



1907, Spring, — 

 Fall, 



1908, Spring, -. 

 FaU, 



1800, Spring, „ 

 FaU 



1910, Spring, „ 

 FaU 



1911, Spring. „ 

 FaU. 



i.a 



1.12 



2.24 



1.88 



.64 



l.,54 



.43 



.14 



1.43 



.48 



.98 



.61 



— I.IS 



1.11 



—1.75 



3.27 



2.80 



4.92 



1.98 



3.57 



—.68 



—1.65 



—.70 



—.10 



3.49 



—3.91 



