1897.] PUBLIC DOCUMENT — No. 33. 171 



REPORT OF THE CHEMIST. 



DEPARTMENT OF FERTILIZEES AND FERTILIZER 

 MATERIALS. 



Charles A. Goessmann; Assistants: H. D. Haskins, R. H. Smith 



Part I. Field Experiments. 



1. Experiments to studj' the effect of raising leguminous crops 



in rotation with grain crops on the nitrogen sources of the 

 soil. 



2. " Nitragin," a germ fertilizer for the cultivation of leguminous 



crops. 



3. Observations with leguminous crops at Amherst. 



4. Mixed annual forage crops v. clovers. 



5. Experiments to study the economy of using natural phosphates 



in place of acid phosphates (superphosphates). 



6. Experiments to ascertain the influence of different mixtures 



of chemical fertilizers on the character and yield of garden 

 crops. 



Part II. Work in the Chemical Laboratory. 



1 . Report on inspection of commercial fertilizers. 



2. New laws for the regulation of trade in commercial fertilizers. 



3. Report on general work in the laboratory. 



4. Compilation of analyses of manurial substances, fruits, garden 



crops and insecticides. 



