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AGRICULTUmiffiMi(T STATIOt^ 



BXJI_.JL.H]TI3Sr nsTo. 33. 



MARCH, 1889. 



On Commercial Fertilizers 



The new duties assigned to tlie director of the station render it 

 necessary, to discriminate in the future, in official publications of the 

 results of analyses of commercial fertilizers and of manurial sub- 

 stances in general, bettoeen analyses of samples collected by a duly quali- 

 fied delegate of the Experiment Station, in conformity with the rules 

 prescribed by the new laws, cmd those analyses which are made of sam- 

 ples sent on for that purpose by outside parties. In regard to the for- 

 mer alone, can the director assume the responsibility of 3, carefully 

 prepared sample, and of the identity of the article in question. 



The official report of analyses of compound fertilizers and of all such 

 materials as are to be. used for manurial purposes, which are sold in 

 this State under a certificate of compliance with the present laws for 

 the regulation of the trade in these articles, has been restricted by our 

 State laws to a statement of chemical composition and to such addi- 

 tional iuformation as relates to the latter. The practice of affixing to 

 each analysis of this class of fertilizers an approximate commercial 

 valuation per ton of their principal constituents has, therefore, to be 

 discontinued. This change, it is expected, will tend to direct the at 

 tention of the consumers of fertilizers more forcibly towards a consid- 

 eration of the particidar composition of the different brands of fertilizers 

 offered for their p)atronage, a circumstance not unfrequently over- 

 looked. 



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