162 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Blister-rust control S. B. Detwiler, forest pathologist in 



"* charge. 



Cotton, truck, and forage crop disease 



investigations W. A. Orton, pathologist in charge. 



Crop physiology and breeding investi- 

 gations W. T. ywingle, physiologist in charge. 



Soil-bacteriology investigations Directed by K. F. Kollennan, associate 



chief oX bureau. 



Soil-fertility investigations ___ Oswald * Schreiner. biochemist in 



charge. 



Crop acclimatization and adaptation 



investigations O. F. Cook, bionomist in charge. 



Fiber-plant investigations L. H. Dewey, botanist in charge. 



Drug, poisonous, and oil plant investi- 

 gations W. W. Stockberger, physiologist in 



charge. 



Plant physiological and fermentation 

 investigations H. L. Shantz, physiologist in charge. 



Agricultural technology N. A. Cobb, technologist in charge. 



Seed-testing laboratories ; enforcement 



of seed-importation act E. Brown, botanist in charge. 



Cereal investigations C. R. Ball, cerealist in charge. 



Tobacco and plant-nutrition investiga- 

 tions W. AV. Garner, physiologist in charge. 



Alkali and drought resistant plant in- 

 vestigations T. H. Kearney, physiologist in charge. 



Sugar-plant investigations C. O. Towusend, pathologist in charge. 



Economic and systematic botany Frederick V. Coville, botanist in 



charge. 



Dry-land agriculture E. C. Chilcott. agriculturist in charge. 



Western irrigation agriculture C. S. Scofield, agriculturist in charge. 



Horticultui'al and pomological investi- 

 gations L. C. Corbett, horticulturist in charge. 



Gardens and grounds E. M. Byrnes, assistant in charge. 



Demonstrations on reclamation proj- 

 ects A. C. Cooley, agriculturist in charge. 



Arlington Experiment Farm^ E. C. Butterfield, assistant horticul- 

 turist in charge. 



Foreign seed and plant introduction David Fairchild, agricultural explorer 



in charge. 



Forage-crop investigations C. V. Piper, agrostologist in charge. 



Congressional seed distribution R. A. Oakley, agronomist in charge. 



Biophysical investigations G. N. Collins, botanist in charge. 



From September 1, 1921, to August 31. 1922, the changes in the 

 personnel of the bureau were as follows : Resignations, 347 ; deaths, 9 ; 

 transfers from bureau, 10 ; furloughs, 5 ; retirements, 1 ; terminations 

 of appointments, 427. In the same period 1,143 appointments were 

 made, a net increase of 344. On September 1, 1922, the numerical 

 strength of the bureau was as follows : In Washington, 672 ; outside of 

 Washington, 1,318; total, 1,990. The total number of employees in 

 the bureau on the same date a year ago was 1,851. 



The new publications of the bureau (Department Bulletins, Farm- 

 ers' Bulletins, circulars, and miscellaneous documents, with con- 

 tributions to the Yearljook and to the Journal of Agricultural 

 Research) number 127, containing 3,114 pages, 280 full-page plates, 

 and 627 text figures, issued in first editions aggregating 1,165,650 

 copies. The number of publications issued during the preceding 

 fiscal year was 139. containing 3,223 pages, 238 full-page plates, and 

 793 text figures, the first editions aggregating 1,738,100 copies. The 

 contributions of this bureau to the series of Farmers' Bulletins num- 

 bered 37 in 1918, 29 in 1919, 14 in 1920, 37 in 1921, and 17 in the 



