422 



INDEX 



Pastures — ■ continued : 



rotations of, 371. 



temporary, 379. 



testing seed for, 377. 

 Pea, the field, 316. 

 Peanut, 321. 

 Pearl millet, 226. 

 Perennial grasses, 194, 210. 

 Perennial rye grass, 219. 

 Phaseolus vulgaris, 320. 

 Phleum pratense, 194. 

 Pisum sativum, 316. 

 Plants : 



classes of, 6. 



classification of, 2. 



cultivated, 1, 8. 



dicotyledonous, 7. 



divisions of, 6. 



families of, 3. 



food supply of, 1. 



genera, 2. 



kingdoms, 1. 



life of, 7. 



monocotyledonous, 7. 



naming of, 3. 



orders of, 6. 



species of, 3. 



uncultivated, 8. 



uses of, 2. 



varieties of, 3. 

 Plowing : 



fall, 63. 



spring, 65. 

 Poa compressa, 206. 

 Poa pratensis, 201. 

 Pollination of legumes, 242. 

 Polygonaceae, 189. 

 Potato : 



adaptation of, 360. 



blights of, 368. 



description of, 359. 



dry rot of, 369. 



fertilizers for, 362. 



harvesting of, 366. 



history of, 358. 



insect enemies of, 366. 



northern grown seed, 362. 



planting of, 361. 



production of, 359. 



Potato — continued: 



rotations for, 360. 



running out of, 364. 



scab, 368. 



storage of, 366. 



sun sprouting of, 361. 



varieties of, 363. 



yield of, 359. 

 Poulard wheat. 111. 

 Price of grain, 392. 



Rape : 



adaptation of, 333. 



cultural methods, 335. 



description of, 333. 



uses of, 334. 

 Red clover, 254. 

 Red-top : 



adaptation of, 208. 



cultural methods of, 209. 



description of, 206. 



distribution of, 208. 



seed, weight per bushel, 207. 



uses, 208. 

 Red-winter wheat, 123. 

 Rice : 



adaptation of, 187. 



botanical characters of, 184. 



by-products of, 186. 



cultural methods of, 188. 



harvesting of, 189. 



history of, 184. 



imports of, 185. 



irrigation of, 185, 188. 



kernel of, 185. 



production of, 186. 



roots of, 184. 



seeding of, 188. 



spikelets of, 185. 



upland, 185, 188. 



uses of, 185. 



yield of, 187. 

 Roller, use of, 67. 

 Root crops, 11, 323. 

 Rutabaga, 331. 

 Rye: 



adaptation of, 181. 



botanical characters of, 177. 



bread from, 178. 



