14 



The summary of commercial shortages of complete fertilizers as compared with 

 1921 is given below: — 



The following table shows the average figure by which analysis of each manu- 

 facturer's goods was above or below the minimum guarantee. This is in reality an 

 average of brands sampled, and has no reference to the tonnage put out by the several 

 companies. In all probabilitj^, however, it fairty indicates the extent to which the 

 various companies succeed in making their fertilizer approximate the guarantee under 

 which it is sold. The plus sign before the figure indicates the average overrun; the 

 minus sign, the average deficiency shown by each firm. 



Mixing Efficiency Table. 



