INDEX 



Acid soil, 252. 



effect on clovers, 252. 



litmus test for, 254. 



how corrected, 258. 

 Agriculture defined, 287. 

 Air, amount iii soil, 25. 



in soil, effect upon temperature, 

 31. 



space in soil, how increased, 25. 



why necessary in soil, 25. 

 Alfalfa, 246. 



methods of culture, 267. 



range of, 246. 

 Alsike, 249. 



methods of culture, 270. 



range of, 249. 

 Anthers defined, 108. 

 Apple, age of bearing wood, 298, 

 295. 



how pruned, 302. 



Bacteria, how added to the soil, 

 260. 



necessary to clovers, 255. 

 Barley, climatic range, 221. 



preparation of seed bed for, 221. 



uses of, 221. 

 Barnyard manure, care of, 336. 



composition of, 333. 



how fertility is lost from, 336. 



value of, 333, 337. 

 Bast fibers, 105. 

 Beans, how grown, 326. 

 Beets, how grown, 317. 

 Bermuda grass, 234. 



advantages of, 234. 



disadvantages of, 234. 



how propagated, 234. 



range and character of, 234. 

 Blackberry, age of bearing wood 

 297. 



how pruned, 297, 301. 



Blue grass, 230. 



advantages of, 232. 



character and value, 230. 



disadvantages of, 232. 



seeding of, 231. 

 Bordeaux mixture, how made, 131., 



how used, 131, 309. 



strength for stone fruits, 132. 

 Bread mold, 126. 

 Brome grass, 233. 



advantages of, 233. 



disadvantages of, 233. 



value of, 233. 



Cabbage, how grown, 317. 

 Calyx defined, 108. 

 Cambium layer defined, 104. 

 Carbon, 10. 

 Carbon dioxide, 69. 



given off by germinating seeds, 

 69. 



test for, 69. 

 Carrots, how grown, 318. 

 Celery, how grown, 324. 

 Cereals defined, 203. 



leading in various countries, 203. 

 Chaffiness defined, 156. 

 Cherry, pruning of, 301. 



age of bearing wood, 295. 

 Cloddy fields, cause of, 39. 

 Clover, crimson, 245. 



range of, 245. 



Japan, methods of culture, 270. 



Japan, range of, 242. 



red, methods of culture, 266. 



red, range of, 248. 



sweet, methods of culture, 269. 



sweet, range of, 248. 



white, methods of culture, 270. 

 Clovers, causes of failure, 250. 



effect of acid soils, 252. 



effect of careless seeding, 256. 



343 



