INSPECTION OF COMMERCIAL FERTILIZERS 

 AND A(;RICI LTLIRAE LIME PRODUCTS 

 FOR THE SEASON OF 1959 



BY FERTILIZER CONTROL SERVICE STAFE 



John W. Ktizmcski, Research Professor, Official Chemist 



Albert K. Spclman, Associate Research Professor 



C. Tyson Smith, Associate Research Professor, MicroscopisI 



Bertram Gerstcn, Assistant Research Professor 



David K. Owen, Jr., Research Instructor 



Shirley J. Richards Research Instructor 



Joseph Conklin. Inspector 



Edward F. Vlach, Technical Assistant 



Paul Korpila, Laboratory Assislant 



Doris A. Kennedy. Senior Clerk and Stenographer 



PERTINENT FACTS 

 RELATING TO MASSACHUSETTS FERTILIZER LAW 



Commercial Fertilizers 



Legistration is required annually on January 1. 



legistration fee is $8 for each element; nitrogen, phosphoric acid, potash, and 



magnesia. 

 abel 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, 

 onnage reports are required semiannually, on January 1 and July 1. 



Lime Products 



legistration is required annually on January 1. 

 legistration fee: S12 for each brand. 

 abel 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 cal- 

 cium and magnesium, or calcium sulfate (in gypsum or land plaster) 



4ake checks payable to Massachusetts Agricultural Experiment Station and 

 send correspondence to 



JOHN VV. KUZMESKI 



Massachusetts Agricultural Experiment Station 

 .Amherst, Mass. 



