258 AGRICULTUEAL EXPERIMENT STATION. [Jan. 



Second, with a statement of the amount of phosphoric 

 acid, of nitrogen and of potassium oxide guaranteed in each 

 distinct brand. 



Third, with the fee charged by the State for a certificate, 

 which is five dollars for each of the following articles : nitro- 

 gen, phosphoric acid and potassium oxide guaranteed in any 

 distinct brand. 



2. The obligation to secure a certificate applies not only 

 to compound fertilizers but to all substances, single or com- 

 pound, used for manurial purposes, and ofiered for sale at 

 ten dollars or more per ton of two thousand pounds. 



3. The certificate must be secured annually before the 

 first of May. 



4. Manufacturers, importers and dealers in commercial 

 fertilizers can appoint in this State as many agents as they 

 desire, after having secured at this office the certificate of 

 compliance with our laws. 



5. Agents of manufacturers, importers and dealers in 

 commercial fertilizers are held personally responsible for 

 their transactions until they can prove that the articles they 

 ofier for sale are duly recorded in this office. 



6. Manufacturers and importers are requested to furnish 

 a list of their agents. 



7. All applications for certificates ought to be addressed 

 to the Director of the Massachusetts State Asricultural 

 Experiment Station. 



Arrangements are made, as in previous years, to attend 

 to the examination of objects of general interest to the farm- 

 ing community, to the full extent of existing resources. 

 Requests for analyses of substances — as fodder articles, 

 fertilizers, etc. — coming through officers of agricultural 

 societies and farmers' clubs within the State will receive here- 

 after, as in the past, first attention, and in the order that the 

 applications arrive at the office of the station. The results 

 will be returned without a charge for the services rendered. 

 Application of private parties for analyses of substances, free 

 of charge, will receive a careful consideration whenever the 

 results promise to be of a more general interest. For 

 obvious reasons, no work can be carried on at the station of 

 which the results are not at the disposal of the managers for 



