CONTROL SERIES NO. 174 



FERTILIZER TONNAGE 

 Tonnage of Fertilizer Sold in Massachusetts 



Tonnage of Mixed Fertilizers, January 1 to December 31, 1956 



*The grade represents the plant food guarantee and is expressed in the order of nitrogen, 

 available phosphoric acid, and potash. 



Tonnage of Unmixed Materials, January 1 to December 31, 1956 



Material 



Tonnage 



Jan 1 to 

 July 1 



July 1 to 

 Dec. 31 



Brands 



Process tankage and activated sewage 



Superphosphate 



Pulverized animal manures 



Cottonseed meal 



Ammonium nitrate 



Nitrate of soda 



Bone meal 



Muriate of potash 



Castor pomace 



Cyanamid 



Urea 



Sulfate of ammonia 



Rock phosphate 



Linseed meal 



Miscellaneous 



Totals 



3,706 



2,075 



1,486 



1,014 



747 



575 



444 



348 



288 



235 



107 



88 



65 



251 



1,370 



1,643 



565 



761 



378 



200 



248 



187 



116 



40 



41 



50 



47 



75 



190 



5,911 



