CONTROL SERIES NO. 170 



FERTILIZER TONNAGE 



Tonnage of Fertilizer Sold in Massachusetts 



Tonnage of Mixed Fertilizers, January 1 to December 31, 1955 



♦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, 1955 



Material 



Process tankage and activated sewage 



Superphosphate 



Pulverized animal manures 



Cottonseed meal 



Ammonium nitrate 



Nitrate of soda 



Castor pomace 



Bone meal 



Muriate of potash 



Cyanamid 



Rock phosphate 



Sulfate of ammonia 



Urea 



Linseed meal 



Miscellaneous 



Totals 



Tonnage 



Jan 1 to 

 July 1 



2,778 



2,418 



1,870 



1,250 



934 



754 



624 



443 



315 



195 



106 



90 



88 



38 



105 



12,008 



July 1 to 

 Dec. 31 



1 ,346 



979 



425 



75 



265 



166 



210 



191 



148 



38 



137 



59 



23 



80 



198 



4,340 



Brands 



