CONTENTS 



PACe 



Administration 239 



The experimental field 240 



General progress for the year 242 



The Salt River Valley Farm 242 



The Yuma Date Orchard 244 



The Tempe Date Orchard 244 



Tl\e dry-farms 245 



The Northern Arizona Dry-farm 246 



Requirements for future progress 246 



Personnel 247 



Publications 248 



Financial 249 



Agronomy 251 



Phoenix Farm 251 



Crops grown 251 



The new Experiment Station Farm, near Mesa 258 



The Johnson grass experiment 258 



Wheat and alfalfa 260 



Prescott Dry-farm 263 



Crops 264 



Silos 265 



General conclusions 265 



Sulphur Spring Valley Dry-farm 266 



Water supply 266 



Crops " 266 



Conclusions 269 



Botany 270 



Root-rot disease 270 



Publications 271 



Studies in the flora 273 



Miscellaneous 274 



Horticulture 275 



Work with lettuce 275 



Arizona climate and bean anthracnose 276 



Storage of sweet potatoes 277 



Keeping eggplant 277 



Plant Breeding 278 



Wheat 278 



Alfalfa 279 



Grain sorghums 280 



Animal Husbandry 281 



Sheep investigations 281 



Feeding 'Tepary beans to hogs 286 



Effect of rolled barley on alfalfa-beet pulp ration for milk production 288 



Ostrich investigations 290 



Instruction and executive work 293 



Entomology 294 



Chemistry 296 



Salton Sea water 297 



Caliche 298 



Plant stimulation with non-essential elements 300 



Changes in chemical character of the Tempe Drainage ditch water. . . 300 



Miscellaneous 301 



Irrigation investigations 303 



Casa Grande Valley 303 



