684 ANNUAL REPORT OF THE 



Average Composition and Guaranty Compared- 



Off. Doc. 

 -Continued 



Fall, 1907 

 Phosphoric acid: 



Total -- 



Available, - 



Potash, - -— 



Mtrogen, 



Spring, 1908 

 Phosphoric acid: 



Total, - - - 



Available, 



Potash, 



Nitrogen 



Pall, 1908 

 Phosphoric acid: 



Total, 



Available, 



Potash, 



Nitrogen, 



Spring, 1909 

 Phosphoric acid: 



Total, — 



Available, 



Potash 



Nitrogen, - 



Fall, 1909 

 Phosphoric acid: 



Total, — 



Available, - 



Potash - — - - -- 



Nitrogen, 



Spring, 1910 

 Phosphoric acid: 



Total, - 



Available, 



Potash, 



Nitrogen, .' 



10.39 



8.34 

 3.18 

 1.39 



10.07 I 

 8.29 ' 

 5.04 

 1.64 



10.29 



8.29 

 3.24 

 1.24 



9.83 

 8.07 

 5.07 

 1.67 



10.13 

 8.27 

 3.41 

 1.33 



9.80 

 8.26 

 5.20 

 1.63 



9.42 

 8.07 

 2.72 

 1.29 



8.91 

 7.61 

 4.51 

 1.59 



9.31 



7.96 

 2.94 

 1.23 



8.98 

 7.60 

 4.89 

 1.60 



9.34 

 8.08 

 3.12 

 1.26 



8.80 

 7.62 

 4.68 

 1.60 



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

 upon the wholesale price of raw materials in the principal markets 

 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: 



