INSPECTION OF COMMERCIAL FERTILIZERS 



AND AGRICULTURAL LIME PRODUCTS 



FOR THE SEASON OF 1944 



By Fertilizer Control Service Staff: 



Philip H. Smith, Official Chemist, in Charge Henry B. Rodman, Junior Chemist 



fjohn W. Kuzmesici, Senior Chemist James T. Howard, Inspector 



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



Albert F. Spelman, Assistant Chemist Joseph Conlclin, Inspector 



C. Tyson Smith, Assistant Chemist Joseph A. Marte!!, Laboratory Assistant 



*Leo V. Crowley, Junior ChemiU Cora B. Grover, Senior Clerk 



*On military leave of absence. 



CONTENTS 



Page 



Pertinent facts relating to Massachusetts fertilizer law 2 



Manufacturers and brands 3 



Fertilizer tonnage 4 



Mixed fertilizers: 



Deficiency statistics 5 



Average variation table 6 



Small paclcage fertilizers 6 



Calculation of shortages 8 



Mixtures showing a commercial shortage of $1 or more per ton 10 



Mixtures substantially complying with guarantees 14 



Chemicals and raw products: 



Unmixed materials showing a commercial shortage of SI or mo:e per ton 17 



Nitrogen compounds 18 ' 



Potash compounds 18 



Phosphoric Acid compounds 19 



Products supplying nitrogen and phosphoric acid 20 



Pulverized animal manures 21 



Agricultural Lime products: 



Manufacturers and brands 23 



Variations and deficiencies 23 



Hydrated or slaked lime 25 



Pulverized limestone (fine-ground limestone) 26 



Ground limestone (coarse-ground limestone) 27 



Directory of manufacturers who registered fertilizers in 1944 28 



PERTINENT FACTS RELATING TO MASSACHUSETTS 

 FERTILIZER LAW 



Commercial Fertilizers 



Registration is required annually on January- 1. 



Registration fee is $8 for eacii element: nitrogen, phosphoric acid, potash, 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 ma\- 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 Januar\- 1 and Juh- 1. 

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





