4 N. H. AGR. EXPERIMENT STATION [Bulletin 248 



last year when the corresponding per cent was 19.6. Many 

 of the deficiencies were comparatively negligible, the small 

 deficiency in one constituent being offset in value by over- 

 run in other constituents. 



A detailed summary of the deficiencies in the 38 brands 

 which failed to meet their guarantees follows : 



Total 

 Brands Deficiencies 



Nitrogen, total phosphoric acid, available 



phosphoric acid and potash 1 4 



Nitrogen, total phosphoric acid and 



potash 1 3 



Nitrogen, available phosphoric acid and 



potash 



Nitrogen, total phosphoric acid and 



available phosphoric acid 



Nitrogen and total phosphoric acid 1 2 



Nitrogen and available phosphoric acid 1 2 



Nitrogen and potash 2 4 



Nitrogen 18 18 



Total phosphoric acid, available phos- 

 phoric acid and potash 



Total phosphoric acid and potash 



Available phosphoric acid and potash 1 1 



Potash 2 2 



Total phosphoric acid and available phos- 

 phoric acid 6 12 



Total phosphoric acid 1 1 



Available phosphoric acid 4 4 



38 53 



NITROGEN DEFICIENCIES 

 One hundred twelve brands were guaranteed to contain 

 nitrogen in amounts varying from 0.82 per cent to 10 per 

 cent. Twenty-four failed to meet the guarantee. The 

 amounts of the deficiencies were 0.05 per cent; 0.05 per 

 cent; 0.08 per cent; 0.11 per cent; 0.11 per cent; 0.11 per 



