4 N. H. AGR. EXPERIMENT STATION [Bulletin 254 



it was 19.6 per cent. Many of the deficiencies were compar- 

 atively negligible, the small deficiency in one constituent 

 being offset in value by overrun in other constituents. 



A detailed summary of the deficiencies in the 45 brands 

 which failed to meet the guarantees follows : 



Number 



of Total 



Brands Deficiencies 



Nitrogen, total phosphoric acid, available 



phosphoric acid and potash 



Nitrogen, total phosphoric acid and 



potash 



Nitrogen, available phosphoric acid and 



potash 



Nitrogen, total phosphoric acid and avail- 

 able phosphoric acid 



Nitrogen and total phosphoric acid 



Nitrogen and available phosphoric acid..-. 



Nitrogen and potash 



Nitrogen 



'Total phosphoric acid, available phos- 

 phoric acid and potash 



Total phosphoric acid and potash 



Available phosphoric acid and potash 



Potash 



Total phosphoric acid and available 

 phosphoric acid 



Total phosphoric acid 



Available phosphoric acid 



NITROGEN DEB^ICIENCIES 



One hundred eleven brands were guaranteed to contain 

 nitrogen in amounts varying from 0.82 per cent to 10 per 

 cent. Twenty-five brands failed to meet the guarantee. 

 Fifteen of these brands were deficient less than one-fourth 

 per cent or 5 lbs. of nitrogen per ton. The amounts of the 



