19 



The following deficiency statistics with reference to mixed complete fertilizers are 

 recorded : — 



Brands deficient in one element . 



Brands deficient in two elements 



Brands deficient in three elements 



Brands deficient in nitrogen 



Brands deficient in available phosphoric acid 



Brands deficient in potash . . . . 



109 

 28 

 7 

 38 

 99 

 62 



Twenty-one brands (about 7.5 per cent of the total number) showed a commercial 

 shortage of over $1 per ton. The summary of commercial shortages, as compared 

 with the 1920 inspection, is as follows: — 



The following table shows an analysis of the deficiency figures of each manu- 

 facturer's brands. It includes brands of mixed fertilizer, whether it be complete 

 fertilizers, ammoniated superphosphates, or superphosphates with potash. The data 

 are confined to nitrogen, available phosphoric acid, and water soluble potash. 



