CONTROL SERIES NO. 137 



FERTILIZER TONNAGE 

 Tonnage of Fertilizers Sold in Massachusetts 



Tonnage of Mixed Fertilizers, January 1, 1947, to December 31, 1947 



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

 available phosphoric acid, potash. 



Tonnage of Unmixed Materials, January 1, 1947, to December 31, 1947 



