New York Agricultural Experiment Station. 157 



0.25 and below 0.50 per cent. ; in 11 brands, it was above 0.50 and 

 below 1 per cent. ; in 7 brands, the deficiency was above 1 and below 

 2 per cent. ; in 3 brands, it was above 2 and below 3 per cent. ; and 

 in 2 cases, it was above 3 per cent. 



Tlie amount of potash was below the manufacturer's guarantee- 

 analysis in 41 different brands, the deficiency varying from 0.01 to 

 3.56 per cent, and averaging 0.57 per cent. In 14 of the 41 brands, 

 the deficiency was below 0.25 per cent. ; in 10 brands, it was above 

 0.25 and below 0.50 per cent. ; in 13 brands, it was above 0.50 and 

 below 1 per cent. ; in 2 brands, the deficiency was above 1 and below 

 2 per cent. ; and in 1 brand it was over 3 per cent. 



