Dec, 1930] FERTILIZER INSPECTION, 1930 5 



other deficiencies expressed as pounds per ton are as follows : 

 5.2 lbs., 5.4 lbs., 6.6 lbs., 7.0 lbs., 7.6 lbs., 9.4 lbs., 10.0 lbs., 

 11.0 lbs., 13.6 lbs., 14.8 lbs. The greatest deficiency, 14.8 

 lbs. is equivalent to approximately $3.50 per ton. 



PHOSPHORIC ACID DEFICIENCIES 



One hundred fifteen brands were guaranteed to contain 

 phosphoric acid. Twelve brands failed to meet the guaran- 

 tees. Four were deficient in total phosphoric acid, seven in 

 available phosphoric acid and one in both total and avail- 

 able phosphoric acid. Only three of these deficiencies would 

 amount to as much as $1.00 per ton. 



POTASH DEFICIENCIES 



One hundred samples were guaranteed to contain potash. 

 Nineteen failed to meet the guarantee. The greatest de- 

 ficiency is equivalent to less than $1.00 per ton. 



In the tabulation of the analyses in the following pages 

 deficiencies of two-tenths of one per cent or more are shown 

 in italics. The names of the manufacturers are arranged 

 alphabetically, and under the manufacturer the differ- 

 ent brands are arranged alphabetically or numerically by 

 formula. 



