324 AGRICULTURAL EXPERIMENT STATION. [Jan. 



I. 

 COMMUNICATION ON COMMERCIAL FERTILIZERS. 



1. General introduction. 



2. State laws for the regulation of trade in commercial fer- 

 tilizers. 



3. List of licensed manufacturers and dealers from May 1, 

 1894, to May 1, 1895. 



4. Analyses of licensed fertilizers. 



5. Analyses of commercial fertilizers and manurial substances 

 sent on for examination. 



6. Miscellaneous analyses. 



7. Miscellaneous fodder analyses. 



1. General Introduction. 



Fifty-eight manufacturers and dealers have applied for and 

 received licenses for the sale of their various brands of fer- 

 tilizers in our State. Twenty-five of them are residents of 

 other States. 



Two hundred and seventy-four samples of licensed articles 

 have been collected in all parts of the State by an authorized 

 agent of the station.* Two hundred and fifty-three of them 

 have been carefully analyzed at the chemical laboratory of 

 the station, with the following results : four samples con- 

 tained all three essential constituents above the highest 

 guarantee ; twenty-five contained two of the essential ele- 

 ments above the highest guarantee ; seventy contained one 

 essential element above the highest guarantee ; thirty-four 

 contained three essential elements above the lowest guar- 

 antee ; seventy-four contained two essential elements above 

 the lowest guarantee ; eighty-seven contained one element 

 above the lowest guarantee ; one contained three essential 

 elements below the lowest stated guarantee ; seventeen con- 

 tained two essential elements below the lowest stated guar- 

 antee ; seventy-six contained one element below the lowest 



* Mr. H. D. Haski'ns, a graduate of the Massaclnisetts Agricultural College, of the 

 class of '90, and for four years past an assistant in the chemical laboratory of the 

 Massachusetts State Experiment Station. 



