INDEX. 317 



INDEX. 



Advantages of Semi- Arid Region, XVII, 130. 



Agricultural Science, Progress in, 279. 



Air in the Soil, XIV, 111; nitrogen as plant food, 112; rain crust ani how broken up 

 113; shutting out the air, 113, 115. 



Alfalfa, XXV, 226; plan of seeding, 227; preparing fields for, 229. 



Arbor Lodge, 244, 245. 



Arboriculture, XXVIII, 241. 



Arid plants, seeking new, 232. 



Barnyard Manures, XIX, 148. 



Basis of Prosperity, IV, 24. 



Beet Culture with Irrigation, 220; without irrigation, 225. 



Beets, sugar, growing, 218; modern factory, 221; under Campbell system, 223. 



Blowing of the lighter soils, 178. 



Burning stubble, 195, 



Burlington farm, model, 16; results, 256. 



Campbell, H. W., portrait, frontispiece; at dry farming congress, 297; history of 

 his work, 305. 



Campbell system, developed, 7; vegetables in Colorado, 29; with sugar beets, 223; 

 corn, 167, 171; world-wide fame, 286;, in irrigation, 235; commended by Mor- 

 ton, 246; results, 255; domain, 276; at dry farming congress, 297; history, 305; 

 in correspondence course, 311. 



Capillary attraction, illustrated, 118. 



Century Magazine on Campbell system, 290. 



Check row planting, 160. 



Climate, no change in, 274. 



Colorado, eastern, wheat, 190; results of crops, 257; corn in, 25. 



Conditions changing by reason of good farming, 274. 



Crops, markets, and prices, XXXVIII, 282. 



Corn growing, XX, 156. 



Corn, in Colorado, 25; root development, 165; by Campbell method, 167, 171; area 

 for, 170; testing seed, 172; use of lister, 158. 



Correspondence course in Soil culture, XLV, 311. 



Correspondence and comment, XLII, 298. 



Cowan, John L., in Century, on Campbell system, 290. 



Curtis, Wm. E., on Campbell system, 289. 



Cultivation, of the soil, XVII, 137; late, of trees, 209; of potatoes, 202; time of, 144; 

 result of good, 166. 



Cultivators, 169. 



Culture, summer vs. summer fallow, 76. 

 )eep cultivation and root development, 200. 

 )epths of seeding, proper, 185; effect of different, 185. 



)isk harrow, VII, 37; when to use, 38; after harvest, 39; following the harvester, 39; 

 size of, to use, 42. 



Disking, effect of, 48; in early spring, 177. 



Diversified farming, 252. 



Domain of soil culture, XXXVI, 276. 



Drills, 178; kinds of grain, 181; seeding with, 182, 



Drawbacks to humid region, 133, 



