90 



INDEX. 



Experiments with rose soils, 



Mechanical composition of best rose soils, discussion of, 



Objects, ..... 



Plants, growth of, etc.. 



Renewal of soils, . . . , 



Results of the second year, 



Rose soils, mechanical analysis of. 



Soils used, notes on, 

 Feeds, digestion experiments with, . 



Alfalfa hay, ..... 



Corn fodders, ..... 



Proprietary grain mixtures, 



Red clover hay, .... 



Insects of the year 1911 in Massachusetts, 



Blister beetles, . . . , 



Malnutrition or overfertilization, tobacco injury due to, 



Soil solutions, concentration of, 



Soluble mineral constituents, discussion of. 

 Manure, chemical methods for the preservation of. 

 Maple leaves, bronzing of, ... . 



Methods of selection for plant improvement, 

 Need of seed law in Massachusetts, . 

 Nitrogen absorption capacity of several well-known chemicals 

 to determine the. 



Chemicals used, ..... 



Methods, ...... 



Nitrogen absorbed, tables. 

 Notable elm tree, ...... 



Age and growth, data on, . 

 Observations on the growth of elm trees, . 



Growth under different conditions, rate of, . 



Light on growth, effects of, . . . 



Plant improvement, methods of selection for. 



Cross-fertilized plants, consideration of. 



Introduction, ...... 



Superior strains, simple method of selecting. 

 Preservation of manure, chemical methods for, . 

 Rose soils, experiments with, . 



Mechani,cal texture of. 



Objects, .... 

 Seed law in Massachusetts, 



Publicity as a remedy. 



Seed laws, nature of. 

 Selection for plant improvement, methods of. 

 Soils, experiments with rose, 

 Spraying, coarse nozzle versus mist nozzle, 

 Tobacco injury due to malnutrition or overfertilization. 



Analyses of soils, tables of, . . . 



Hot water soluble constituents, discussion of. 



Injury, description of, ... . 



Rotation remedy, ..... 



Soil solutions, concentration of, 



Solul)le mineral constituents, discussion of, 



Water soluble potash, discussion of, . 



experiments 



PAGE 



60 

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 75 



61, 



37, 



26 

 26 

 27 

 29 

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 73 

 21 

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 22 

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66,68 

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 76 

 21 

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 35 



39,41 

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