6 N. H. AGR. EXPERIMENT STATION [Bulletin 231 



were comparatively negligible, however, the small defici- 

 ency in one constituent being offset in value by overi-un 

 in other constituents. 



A detailed summary of the deficiencies in the 62 brands 

 which failed to meet their guarantees follows: 



Brands 



Nitrogen, available phosphoric acid, total 



phosphoric acid and potash 1 



Nitrogen, total phosphoric acid and potash 

 Nitrogen, available phosphoric acid and 



potash 2 



Available phosphoric acid, total phos- 

 phoric acid and potash 4 



Total phosphoric acid and potash 2 



Available phosphoric acid and potash 2 



Nitrogen and potash 4 



Nitrogen, total phosphoric acid and avail- 

 able phosphoric acid 6 



Nitrogen and available phosphoric acid... 1 



Nitrogen and total phosphoric acid 2 



Potash 9 



Available phosphoric acid and total phos- 

 phoric acid 9 



Total phosphoric acid 10 



Available phosphoric acid 



Nitrogen 10 



Total 62 



Total 

 Deficiencies 



4 

 



12 

 4 

 4 

 8 



18 

 2 

 4 

 9 



18 



10 







10 



109 



NITROGEN DEFICIENCIES 



Six brands of nitrate of soda and two brands of sul- 

 phate of ammonia were analyzed. All fully met their 

 guarantees except one brand of nitrate of soda which was 

 deficient by 0.63 per cent. One hundred and twelve other 



