CONTENTS. 9 



Work and expenditure ■; of the agricnltural experiment stations — Cont'd. Page. 

 Statistics of land-grant colleges, etc. — Continiied. 



Statistics of the land-grant colleges and universities — Continued. 



Table G. — Additions to equipment in 1905 172 



Table 7. — Disbursements from the United States Treasury to 

 the States and Territories of the appropriations under the act 



of Congress approved August 30, 1890. . . ^ 174 



Statistics of the agricultural experiment stations 176 



Table 8.— General statistics, 1905 176 



Table 9. — Revenue and additions to equipment in 1905 182 



Table 10. — Expenditures from the United States appropriation 



for the year ended June 30, 1905 184 



Table 11. — Disbursements from the United States Treasury to 

 the States and Territories of the appropriations under the act 



of Congress of March 2 , 1887 1 86 



The Association of American Agricultural Colleges and Experiment 



Stations 187 



Nineteenth annual convention 187 



General sessions 187 



Section on college work and administration 192 



Section on experiment station work 194 



Drainage investigations . 197 



The evolution of farm-implement investigations 211 



Introduction 211 



Implement testing in Europe - 211 



Sweden 211 



Denmark 213 



Norway 213 



Germany _.....'. 214 



Italy :..;;.;;;: 216 



France .....J..J.^ J.__ 217 



Other countries 217 



International Congress of Agricultural Mechanics, at Liege, Belgium, 



1905 _ 217 



Need of farm implement investigations in the United States. 219 



Some needed investigations .... 220 



Tillage implements .._.__ 220 



Seeding and planting implements 220 



Harvesting and thrasliing machinery . . ... . „ 221 



Motive power for farms 221 



Some experiment station work relating to the food and nutrition of man. . . 225 



Introduction 225 



Production and distribution of food 227 



Improvement in yield and quality of cereals 228 



Improvement in character of dairy products . 230 



Food preservation and preparation 233 



Food adulteration 236 



Conclusion 336 



Some results of experiment station work with insecticides 239 



General insecticide methods , 239 



The lime-sulphur-salt wash 240 



Petroleum insecticides 249 



Fumigation with hydrocyanic-acid gas 254 



Arsenical insecticides 257 



Soap insecticides 260 



