Table of Contents 



PAGE 



Administration ^^' 



Agricultural Extension Work ^48 



The Agricultural Experiment Station 549 



A New Department 550 



Changes in Personnel 55U 



Resignations 55_J. 



Appointments and Promotions 551 



Publications °^2 



Technical Papers 55^ 



Projects ^^p 



Finances ^oo 



Agricultural Chemistry 557 



Research 



Swelling Coefficient of Dry Soils When Wetted 557 



Alkali Studies ^^"^ 



Influences of Concomitant Conditions of the Toxicity of Black 



Alkali ^^^ 



The Tempe Drainage Ditch 559 



Prussic Acid Poisoning by Johnson Grass 561 



Miscellaneous ^^^ 



Agronomy : ^ ^^^ 



Projects 



Contiiiiaation of Studies at the Prescott Dry-Farm 563 



A Continuation of Studies at the Sulphur Spring Valley Dry- 

 Farm 564 



Legumes and Their Culture for Southwest Conditions 564 



A Study of the Varieties and Methods of Cultivation of In- 

 dian Corn and the Various Sorghums 566 



The Cultivation and Field Management of Egyptian Cotton 566 



Cultivation and Management of Winter and Spring Grains, In- 

 cluding Wheat, Barley, Oats, and Rye 567 



Effect on Field Crops of Dynamiting Subsoil 570 



Varietal and Cultural Tests of Grain and Forage Crops and 



of Grass and Miscellaneous Crops 570 



Cooperative Crop Experiments 570 



A Study of Indian Agriculture .' 570 



Seed Certification Work 571 



Extension Work 571 



Publications 571 



Miscellaneous 572 



Animal Husbandry 573 



Work of the Year 573 



Feeding Cotton Seed to Range Steers 574 



Feeding Cotton Seed to Pregnant Ewes 575 



Botany : 576 



Effects of Scant Rainfall 576 



Character of Arizona Rainfall 577 



Browse Pastures Versus Grass Pastureis 577 



Instructional Duties 578 



Preparation of Bulletins 579 



Dairy Husbandry 580 



Sudan Grass Hay Versus Alfalfa Hay for Dairy Cows 581 



Green Alfalfa Versus Alfalfa Hay for Dairy Cows 581 



Milk Substitutes for Feeding Calves 582 



Entomology 583 



Work on the Arizona Pink Bollworm 583 



Wheat Injury Due to Hylemyia cilicrura ^ 583 



Work with Bees 584 



Miscellaneous 586 



