CONTENTS. 



Part II. 



Summary of leading conclusions, 

 Alfalfa co-operative experiments, 

 Types of corn best suited to Massachusetts, 

 Complete analyses of corn grown in competition for the Bowker 

 prize, ........ 



Methods of selection for plant improvement, 

 Experiments to determine the nitrogen absorption capacity of sev 

 eral well known chemicals, .... 



Chemical methods for the preservation of manure, 



Gypsum or land plaster, .... 



Precipitated gypsum, ... 



Gypsum-superphosphate and superphosphate, 



Sulfuric acid, ...... 



Kainit, ....... 



Tobacco injury due to malnutrition or overfertilization, 

 Digestion experiments with cattle feeds, 



Corn fodders (varieties), .... 



Proprietary grain mixtures, .... 



Alfalfa hay, ...... 



Red clover hay, ...... 



Bronzing of maple leaves, ..... 



Coarse nozzle versus mist nozzle spraying, . 

 Experiments with rose soils, .... 



A notable elm tree, ...... 



Some observations on the growth of elm trees, 

 Do we need a seed law in Massachusetts? 

 Diseases more or less common during the year, 

 Insects of the year 1911 in Massachusetts, . 



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