INSPECTION OF COMMERCIAL FERTILIZERS 



AND AGRICULTURAL LIME PRODUCTS 



FOR THE SEASON OF 1942 



By Fertilizer Control Service Staff: 



Philip H. Smith, Official Chemist, in Charge James T. Howard, Inspector 



John W. Kuzmeski, Senior Chemist Comfort L. Whiting, Inspector 



H. Robert DeRose, Assistant Chemist Louis A. Graves, Inspector 



Albert F. Spelman, Assistant Chemist Joseph A. Martell, Laboratory Assistant 



Leo V. Crowley. Junior Chemist Cora B. Grover, Senior Clerk 



C. Tyson Smith Technical Assistant 



PERTINENT FACTS RELATING TO MASSACHUSETTS 

 FERTILIZER LAW 



Commercial Fertilizers 



Registr?tion is required annually on January 1. 



Registration fee is $8 for each element: nitrogen, phosphoric acid, pota.-h, mag- 

 nesia. 

 Label must show: 



Net weight of fertilizer 

 Name, brand or trade mark, and grade 

 Name and address of manufacturer 



Guaranteed analysis: nitrogen, available phosphoric acid, water soluble 

 potash. A guarantee of total phosphoric acid may be used instead of 

 available phosphoric acid for bone, untreated phosphate rock, tankage, 

 dried and pulverized manures, ground seeds, and wood ashes 

 Tonnage reports are required semi-annually, on January 1 and July 1. 

 Tonnage fee: 6 cents per ton of 2,000 pounds. 



Lime Products 



Registration is required annually on January 1. 

 Registration fee: $12 for each brand. 

 Label must show: 



Net weight of product 



Name, brand or trade mark, and form of lime 



Name and address of manufacturer 



Guaranteed analysis: calcium oxide, magnesium oxide, carbonates of calcium 

 and magnesium, or calcium sulphate (in gypsum or land plaster) 



Make checks payable to Massachusetts Agricultural Experiment Station and 

 send correspondence to 



PHILIP H. SMITH. 



Massachusetts Agricultural Experiment Station 



Amherst, Mass. 



