354 



Index to Volume III. 



results 1900. 36: opp. 196. 

 surveyed areas in Salt River Valley 



(Fig. 28). 40:259. 

 Tempe soil sheet. With 40. 

 vegetable garden at Station farm (Fig. 



2). 35: opp. 116. 

 vegetation on desert land (Plate 



XXIV). 40: opp. 290. 

 vineyard and orchard, winter-irriga- 

 ted. (Fig. 4). 37: 214. 

 wash in San Simon Valley (Fig. 2.) 



38 : 252. 

 wild barley (Fig. 7). 38: 289. 

 winter-irrigated orchard (Fig. 4). 34: 

 74. 

 IMPROVEMENT OF ARIZONA 



SOILS. 34:71-73. 

 Indian agriculturists. 40: 281 . 

 corn. An. Rep. 1900: 157. An. 

 Rep. 1901 : 323. 

 INQUIRY INTO THE CAUSE AND 

 NATURE OF CROWN-GALL. 

 33 : 7-64. 

 Insecticides. 34: 83, 84. 

 Insect investigations in Salt River Val- 

 ley. An. Rep. 1900: 145, 146. 

 INSECTS ON TREES, DANGER OF 

 INTRODUCING. 34:82-84. 

 sugar-beet. 36:202. 

 INSECTS, WINTER REMEDIES FOR 



INJURIOUS. 34:87,88. 

 Institute work. An. Rep. 1900:148. 

 Irrigating water, see Irrigation, Water, 



and Waters. 

 Irrigation, see also Water and Waters, 

 above-ground operations and results, 



1899-1901. 37:211-221. 

 aim of. 37:218. 

 Arizona, prehistoric. 4:0:287. 



present. 40:287. 

 condition of orchard after winter. 37 : 



238. 

 cultivation lessened by winter. 37 : 

 218. 

 and weed destruction. 37:220,221. 



effect of summer. 37 : 219, 220, 238. 



on Arizona agriculture. 34: 113. 

 experiments, principles involved in. 

 37: 216-221: 

 purpose of. 37: 211, 237. 

 reasons for favorable results of. 



37 : 216-219. 

 scope of. 37: 211. 

 sugar-beet. An. Rep. 1900: 163- 

 165. 

 frequency of. 35:123. 

 IRRIGATION, GRAZING VERSUS. 

 34: 113-115. 

 grazing vs. 38: 249-255. 

 heavy vs. light. 37 : 240. 

 methods of orchard, prevalent. 37: 



210, 211. 

 moisture content determinations in 



connection with. 37:222-228. 

 necessary for an orchard. 37: 236. 

 IRRIGATION OF DECIDUOUS OR- 

 CHARDS, WINTER. 37: 207- 

 240. 

 summary and conclusions regarding. 

 37 : 237-240. 

 of orchards, winter. An. Rep. 1900: 

 162, 163. An. Rep. 1901: 324. 

 See also Winter irrigation, 

 preparation for. 35:122-124. 

 spring vegetable garden, arrangement 



for. 38:271-273. 

 studies. An. Rep. 1901: 323, 324. 

 summer, effect of. 37: 219, 220, 238. 



one advisable. 37:221. 

 underground investigations, 1899-1900. 



37 : 222-237. 

 water supply for, see Water, 

 waters of Salt River Valley, see Water. 

 IRRIGATION, WELL WATERS FOR. 



38 : 280-284. 

 IRRIGATION, WINTER, OF DECID- 

 UOUS ORCHARDS. 37: 207- 

 240. 

 experiments in, purpose of. 37 : 21 1 . 

 method of. 37:214,216. 



