1896.] PUBLIC DOCUMENT — No. 33. Ill 



REPORT OF THE CHEMIST. 



DEPARTMENT OF FERTILIZERS AND FERTILIZER 

 MATERIALS. 



CHARLES A. GOESSMANN. 



Part I. On Field Experiments. 



1. Experiments to study the effect of raising leguminous crops 

 • in rotation with grain crops on the nitrogen sources of the 



soil. 



2. Observations with mixed forage crops as fodder supply. 



3. Experiments to study the economy of using natural phos- 



phates in place of acid phosphates (superphosphates). 



4. Experiments to ascertain the influence of different mixtures 



of chemical fertilizers on the character and yield of garden 

 crops. 



5. Experiments to study the effect of phosphatic slag and nitrate 



of soda as compared with ground bones on field crops. 



6. Experiments to study the effect of rotation of manures on per- 



manent grass lands. 



Part II. On the Work in the Chemical 

 Laboratory. 



1. Report on inspection of commercial fertilizers. 



2. Report on general work in the laboratory. 



3. Compilation of analyses of manurial substances. 



4. Compilation of analyses of fruits, garden crops and insecti- 



cides. 



