Introducing on farm 28 Iowa, experiments 257 Leaf spot in 211 Pig raising 158 Seed for 29 Spring sowing 54, 55 Irish, C. W., depth of root growth 6 Irrigation after cutting 73 Alfalfa under 72 Before cutting 73 California 238 Colorado 244 Co-operative experiments 76 Effect on hay 76 Excessive 72 Gila River 234 Harrow 24 Idaho 253 Influence on composition 74 Influence on seed 28 Increases protein 75 Necessary to saturate soil 78 New Mexico 283 Oregon 295 Salt River 236 Spring 73 Utah bulletin 74 Water to acre, Utah 77 _Irrigation Farming_ quoted 73 Irrigated land, yield 10, 23 Irrigations, number of 77 Italy, seed from 32 Jefferson, book dedicated to 3 Jenkins, Dr. E. H., report 247 Jones, John, report 306 Jones, O. S., report 301 Jordan, Dr. W. H., opinion of feed 141 Kafir corn preceding alfalfa 49 Fed with alfalfa 125 Feed composition 136 Kansas, alfalfa flowers 176 Alfalfa for dairyman 149 Alfilaria for 228 Annual top dressing 70 Bees 175, 176 Bulletin, balanced ration 135 Broadcasting at experiment station 56