INDEX 



429 



410; effect of silage on, 176; fertility 

 in, 408; flour, 336; of different breeds, 

 328; pails, 335; pasteurized, 335; 

 powder, 336; records, 337; references, 

 300, 349: standardized, 336; test, 

 336, 345; value of, 413. 



Milk-fever, 340. 



Millet, references, 243; seed vitality, 405. 

 seeding rate, 405; weight per bushel, 

 406. 



Milo, reference, 243. 



Modern conveniences for the home, 391. 



Mold, bread, 251. 



Mosquito, control of, 94, 258; life his- 

 tory of, 257. 



Mules, averages for ten-year periods in 

 the United States, total number, 

 total value, value per head, 418. 



Muriate of potash, 125. 



Muskmelon, seed vitality, 405. 



Mustard, spraying for, 246; seed vitality, 

 405. 



Mutations, 8. 



Mutton, references, 356. 



Mycelium, denned, 250. 



Natural selection, 7; development of 

 weeds by, 8. 



Neighbors, 376, 396. 



Nitrate of soda, 122; composition of, 

 408; effect on timothy, 132, 133. 



Nitrate of potash, composition of, 408. 



Nitrogen, amount in air, 116; amount 

 in plants, 63; amount in rainfall, 116; 

 amount in soils, 113; effect of time 

 of plowing on, 164; effect on color of 

 plants, 64; fixation with legumes, 116, 

 208; fixation without legumes, 119; 

 food for plants and animals, 60, 61; 

 forms of in fertilizers, 122; in manure, 

 136, 139, 140, 141; losses of, 121; 

 losses from manure, 141; of food 

 recovered in manure, 138; per cent 

 of in protein, 283; relation to soil 

 organisms, 97; sources of, 116. 



Nitrogen-free extract, 284. 



Nutrients, amount of in various feeds, 

 410. 



Nutritive ratio, defined, 293. 



Nuts, exports and imports, 415. 



Oats, 181; as a nurse crop, 183, 190; 

 averages for ten-year periods in the 

 United States, acreage, production, 

 yield per acre, total value, value per 

 acre, value per bushel, 416; breeding, 

 29; climate for, 181; cost compared 

 with corn, 182; digestible food per 

 acre, 160; digestible nutrients in, 

 410; fertility in, 408; fertilizers for, 

 131, 133, 181; ground, weight per 

 quart, 413; planting depth, 168; pro- 

 duction value as feed, 292, 412; 

 references, 270; rotations with, 270; 

 soils for, 181; uses of, 181; value 

 of the United States crop, 155, 413; 

 seed vitality, 405; seeding rate, 405; 

 water requirements, 67; weight per 

 bushel, 406; weight per quart, 413; 

 world's crop of, 154. 



Oats-barley-and-peas, 182. 



Oat hay, production value as feed, 411. 



Oat rust, 36. 



Oat smut, 36; control of, 254. 



Oat straw, fertility in, 408; digestible 

 nutrients in, 410; production value 

 as feed, 412. 



Onions, lime required, 126; references, 

 243; seed vitality, 405; weight per 

 bushel, 406. 



Oranges, propagation of, 42; references, 

 34, 271, 243. 



Orchards, discussion of, 227; planting, 

 227; pruning, 230; spraying, 229, 266; 

 tillage of, 228; value of products, 413. 



Orchard grass, 187; reproduction of, 

 38; seeding rate, 196, 197; seed 

 vitality, 405. 



Osmosis, definition and experiment, 65, 



Ovary, defined, 11. 



Oxford-down sheep, 351, 354. 



Oxygen, as food for plants and animals, 

 60, 61. 



Paris green, 264. 



Parsnip, seed vitality, 405. 



Pasteurized milk, 335. 



Pasture, discussion of, 182; adaptation 



of clover and grass varieties, 36, 39; 



management of, 197; references, 242; 



seed mixtures for, 196. 



