New York Agricultural Experiment Station. 199 



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

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



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

 analysis in 30 different brands, the deficiency varying from 0.01 to 

 1.55 per cent, and averaging 0.43 per cent. In 14 of the 30 brands, 

 the deticienc}' was below 0.25 per cent. ; in 5 brands, it was above 

 0.25 and below 0.50 per cent. ; in 7 brands, it was above 0.50 and 

 below 1 per cent, ; in 4 brands, the deficiency was above 1 and 

 below 2 per cent. 



