578 



INDEX. 



sumed, 279 ; liquid, in farmyard 

 manure, 224 ; solid, in farmyard 

 manure, 224 ; solid, undigested 

 food in, 224 ; solid, voided by cows, 

 280, 292 ; solid, voided by horse, 

 292 ; solid, voided by oxen, 280 ; 

 solid, voided by sheep, 280, 292. 



Factors for calculating manurial in- 

 gredients into their different com- 

 pounds, 553. 



Falkland guano, 308 ; nitrogen in, 

 330 ; phosphoric acid in, 330. 



Fallow-fields, nitrates formed in, 188. 



Fanning Island guano, 328 ; phos- 

 phoric acid in, 330. 



Farmyard manure, 223-292 ; action 

 of, on soils, 273 ; ammonia in, 258 ; 

 amount produced on farm per year, 

 252 ; analyses of, 259, 286 ; appli- 

 cation of, 264 ; ash of, 287, 288 ; 

 carbonic acid gas in, 258 ; classes 

 of constituents of, 224 ; compared 

 with artificials, 476; composition 

 of, 259 ; denitrification in, 179 ; 

 depth to plough to, 267 ; effect of, 

 on potatoes, 520 ; fertilising matter 

 in, 270 ; fire-fang in, 264 ; fresh, 

 composition of, 286, 288 ; functions 

 of, 268 ; heat in fermentation of, 

 78, 253 ; humates in, 259 ; hurnic 

 acid in, 258 ; inadequate source of 

 nitrogen to soil, 271 ; indirect in- 

 fluence of, 273 ; influence of, on 

 soil, 475 ; Lawes, Sir J ohn, on 

 composition of, 291 ; Lord Kin- 

 naird's experiments with, 289 ; 

 marsh-gas in, 258 ; mineral matter 

 in, 260 ; moisture in, 260 ; nitric 

 acid in, 259 ; nitrogen in, 260 ; 

 ratio of, to ash ingredients, 271 ; 

 organic matter in, 260 ; phosphor - 

 etted hydrogen in, 258 ; phosphoric 

 acid in, 260 ; potash in, 260 ; pro- 

 ducts of decomposition of, 257 ; 

 rate of application of, 275 ; re- 

 trogression of nitrogen in, 142 ; 

 rotten, composition of, 287, 288 

 value of, 261 ; rotting, effects of, on, 

 262 ; solid excreta in, 224 ; sul- 

 phuretted hydrogen in, 258 ; sup- 

 plemented with nitrogen, 271 ; 

 supplemented with phosphoric acid, 

 272 ; temperature, effect of, on soil, 



79, 274 ; typical compost, 446 ; 

 ulmates in, 259 ; ulmic acid in, 

 258 ; unfavourable to certain crops, 

 477 ; urine in, 228 ; value of, 268 ; 

 variation in composition of, 223 ; 

 water in, 258. 



Fatty acids in guano, 305. 



Felspars, 103 ; albite, 103 ; composi 

 tion of, 103 ; labradorite, 220 ; 

 oligoclase, 103, 214, 220; ortho- 

 clase, 103, 214, 220; phosphoric 

 acid in, 211 ; potash manures, 213; 

 potash in, percentage of, 213, 220. 



Ferment, aerobic, 173, 255 ; anaerobic, 

 255. 



Fermentation, ammonium carbonate 

 formed during, 245 ; in bones, 

 365 ; heat of, 79 ; of farmyard 

 manure, 253 ; of guano, 299 ; tem- 

 perature of, 256. 



Fern, bracken, as litter, 241. 



Ferric chloride, test for sulphocyan- 

 ates, 355. 



Fertilisers and Feeding Stuffs Act, 543. 



Fertilising ingredients, amount of 

 soluble, in soil, 90 ; amounts re- 

 moved by different crops, 484, 485 ; 

 chemical condition of, in soil, 89 ; 

 lodge in seed, 491 ; in soil, 87. 



Fertility, of the soil, 65-97 ; poten- 

 tial, of soil, 214, 549 ; properties 

 necessary for, 66 ; supply of oxy- 

 gen necessary for, 81. 



Field experiments, 545, 548 ; educa- 

 tional value of, 547 ; on rate of 

 nitrification, 187. 



Finger-and-toe prevented by lime, 

 461. 



Fire-fang in farmyard manure, 264. 



Fischer on absorption of plant-food, 

 55. 



Fish-guano, 320-323 ; application of, 

 323 ; consumption of, 152 ; manu- 

 facture of, 321 ; nitrogen in, 321 ; 

 phosphoric acid in, 321 ; production 

 of, 322 ; source of nitrogen, 152 ; 

 value of, 322. 



Fixers, 246 ; chemical reactions with, 

 284. 



Fleece, potash in, 217. 



Fleischer, Professor, on solubility of 

 phosphates, 408. 



Flesh-guano, 320. 



Flint Island guano, 309. 



