VI 



CONTENTS. 



Report of the department of agriculture — concluded. 

 Field G, comparison of potash salts, . 

 North corn acre, .... 

 North soil test, .... 



Grass plots, . . . . . 



Sulfate of ammonia v. nitrate of soda as a top-dressing for permanent 



mowings, 

 The lime experiment, 

 Variety test work, .... 

 Report of the department of botany, 

 Report of the department of chemistry. 

 Research section, .... 

 Fertilizer section, .... 

 Fertilizers registered. 

 Fertilizers collected and analyzed, . 

 Other activities of the fertilizer section. 

 Vegetation tests, .... 

 Feed and dairy section. 

 The feeding stuffs law, . 

 The dairy law, .... 

 Milk, cream and feeds for free examination. 

 Water, ..... 



Testing of pure-bred cows for advanced registry. 

 Miscellaneous chemical work. 

 Numerical summary of laboratory work. 

 Report of the department of entomology, . 

 Report of the department of horticulture. 

 Report of the department of microbiology. 

 Report of the department of poultry husbandry. 

 Report of the department of veterinary science. 

 Prevention of hog cholera. 

 Study of Bacterium pullorum infection. 

 Suppression and eradication of bacillary white diarrhcea in fowl 



Part II. 



Bulletin 168. Report of cranberr3- substation for 1915, 

 Introduction, . 

 Fungous diseases, 

 Storage tests, . - . 



Practical conclusions based on the results of the storage tests, 

 Resanding, 

 Fertilisers, 

 Insects, .... 



The gypsy moth, . 



The cranberry tip worm. 



The black-head fire- worm. 



The cranberry fruit worm. 

 Bog management. 



Possibility of applying the new plan to dry bogs. 

 Bulletin 169. Connecticut Valley onion supply and distribution. 

 Part I.: — 



Supply and production, ....... 



Quantities and regions of production, .... 



General periods of shipments, ..... 



Onion districts in Massachusetts, ..... 



