18 



1 Three other samples of this brand showed a deficiency of about 35 cents per ton; and two other samples were 

 well up to the guarantee. 



2 Another sample of this brand. No. 241, showed no commercial deficiency. 



' Another sample of this brand. No. 1015, showed no commercial deficiency. 

 ♦ Another sample of this brand showed no commercial deficiency. 

 ' A compasite of nine samples. 



QUALITY OF PLANT FOOD IN COMPLETE FERTILIZERS. 



Nitrogen. — The average total nitrogen in mixed complete fertilizers was 

 nearly .3 per cent, of which half was in forms immediately available and half 

 in organic form. About one-third of the organic nitrogen was soluble in 



