INDIANA. 105 



leading farmers to adopt the methods recommended and followed in 

 these extension and demonstration activities. The results of the soil 

 investigations throughout the State, for instance, are believed to 

 have turned the tide of sentiment from one of soil depletion to one 

 of soil upbuilding and improvement. 



INDIANA. 



Agricultural Experiment Station of Indiana, Lafayette. 



Department of Purdue University. 



Akthub Goss, M. S., a. C, Director. 



Changes made in the organization of the Indiana station during 

 the year included a separation of the departments of horticulture and 

 entomology, the former being placed in charge of C. G. Woodbury 

 and the latter in charge of J. Troop. The chemical department of 

 the station was abolished and the chemical work on soils and crops 

 was placed under the department of agronomy. The station has a 

 continuing State appropriation apportioned as follows : General pur- 

 poses, $10,000; soil and crop work, $15,000; horticulture, $10,000; 

 station extension, $10,000; dairy work, $10,000; animal diseases, 

 $5,000; poultry, $5,000; and live stock feeding, $10,000. In addition 

 to the station-extension fund a continuing appropriation of $30,000 

 was made the past year. A new horticultural building with green- 

 houses was in process of constraction, the greenhouses being prac- 

 tically completed. The station mailing list now contains about 37,000 

 names. 



The Adams fund work of the Indiana station continued to center 

 on four projects. The investigation of rusts progressed in a thorough 

 and systematic way, and the work on cedar apple rust was practically 

 completed up to publication. The growing of rusts under control 

 in the greenhouse in order to study their full life history yielded some 

 important results, especially regarding forms on meadow grasses, but 

 weather conditions interfered with the work to some extent. 



Hog-cholera studies, including laboratory investigations, were con- 

 tinued and considerable work was done in testing the normal salt 

 solution. The production of hyperimmune hogs with a virulent nor- 

 mal salt solution proved less successful than it did when the work 

 was first begun. The intraperitoneal, intramuscular, and intravenous 

 methods of inoculation were compared, with the result that the intra- 

 peritoneal method of producing a hyperimmune hog was discarded 

 because of unsatisfactory results. The study of cholera blood and 

 virulent blood filtrates was continued, and a line of inoculation work 

 for the purpose of determining the comparative virulence of blood, 

 urine, virulent normal salt solution, filtered and unfiltered, from a 

 cholera hog was begun. 



