EXPERIMENT STATION BULLETINS. 

 FERTILIZER ANALYSES. 



ANDREW J. PATTBN_, CHEMIST. 



Bulletin No. 232. 



The inspection and analyses of the commercial fertilizers offered for 

 sale in Michigan are made under authority of an act of the Legislature 

 approved March 10, 1885. The full text of the law is again printed 

 since many inquiries are continually received concerning it. 



Section 1. The People of the kitate of Michigan enact, That any 

 person or persons who shall sell or offer for sale in this State any com- 

 mercial fertilizer, the retail price of which exceeds ten dollars per ton, 

 shall affix on the outside of every package containing such fertilizer a 

 plainly printed certificate, stating the number of net pounds therein ; 

 the name or trademark under which such article is sold; the 

 name of the manufacturer; the place of manufacture, and a chem- 

 ical analysis, stating the percentage of nitrogen in an available form; 

 of potash soluble in water and of phosphoric acid in available form 

 (soluble or reverted) and the insoluble phosphoric acid. 



Sec. 2. Before ain' commercial fertilizer is sold or offered for sale, 

 the manufacturer, importer or party who causes it to be sold or offered 

 for sale within this State, shall file with the secretary of the State 

 Board of Agriculture a certified copy of the analysis and certificate 

 referred to in section one, and shall also deposit with said secretary a 

 sealed glass jar containing not less than two pounds of such fertilizer, 

 with an affidavit that it is a fair sample of the article thus to be sold or 

 offered for sale. 



Sec. 3. The manufacturer, importer, or agent of any commercial fer- 

 tilizer, the retail price of Avhich exceeds ten dollars per ton as aforesaid, 

 shall i)ay annually to the secretary of the State Board of Agriculture, 

 on or before the first day of May, a license fee of twenty dollars for 

 each and every brand of fertilizer he offers for sale in this State: Pro- 

 ridcd, That wlienever the manufacturer or importer shall have paid this 

 license fee his agents shall not be required to do so. 



Sec. 4. All such analyses of comiiiercial fertilizers required hj this 

 act shall be made under the direction of the State Board of Agriculture 

 and paid for'out of the funds arising from the license fees- provided for 

 in section three. At least one analvsis of each fertilizer shall be made 

 annually. 



