582 



INDEX. 



Lime, 449-461 ; abundant occurrence 

 of, 452 ; action of, 461 contradic- 

 tory, 450 not thoroughly under- 

 stood, 449 on nitrogenous organic 

 matter, 460 on soil's texture, 455 ; 

 antiquity of, as a manure, 449 ; 

 binding effect of, 457 ; biological 

 action of, 459 ; caustic, 453 ; chem- 

 ical action of, 457 ; decomposes 

 minerals, 458 ; different forms of, 

 453 ; effect of, on soils, 112 ; fixed 

 by soils, 58 ; in ash of plants, 54 ; 

 mechanical functions of, 455 ; mild, 

 453 ; necessary for nitrification, 

 171, 459 for plant-growth, 55, 

 450 ; neutralises acidity in soils, 

 458 ; phosphates of, 385-388 ; pig 

 excrements contain, 281 ; prevents 

 clay puddling, 456 ; returned to 

 soil, 452 ; soils contain, 450-452. 



Limestone, analyses of, 106 ; evapora- 

 tion of water from, 99 ; occurrence 

 of, 452. 



Linseed, imports of, 153 ; manurial 

 constituents of, 282. 



Linseed-cake, manurial constituents 

 of, 282. 



Liquid manure, 442-444. 



Lithia in ash of plants, 55. 



Litter, loam as, 239 ; peat as, 240 ; 

 straw as, 236 ; uses of, 236. 



Lloyd on fattening animals, 253. 



Loam, as litter, 239 ; evaporation of 

 water from, 99 ; poor in fertilising 

 matter, 239. 



Lobos, guano deposits at, 327. 



Lobos de Afuera guano, 302, 327. 



Macabi Island guano, 302, 327 ; ni- 

 trogen in, 329 ; phosphoric acid in, 

 329. 



Maercker, Professor, on destruction 

 of nitrifying organisms, 177. 



Magnesia, fixed by soils, 58 ; in ash 

 of plants, 54 ; in pig excrements, 

 281 ; necessary for nitrification, 

 171; necessary for plant -growth, 

 55 ; sulphate of, as a fixer, 246, 285. 



Maize, absorbs ammonia, 352 ; fer- 

 tilising ingredients removed from 

 soil by, 485 ; manurial constituents 

 in, 282 ; source of nitrogen, 153. 



Maiden Island guano, 309, 328 ; 

 phosphoric acid in, 330. 



Malpighi on importance of atmo- 

 spheric air for germination, 39. 



Malt-dust, manurial constituents in, 

 282. 



Manganese, oxide of, in ash of plants, 

 04. 



Mangels, fertilising ingredients re- 

 moved from soil by, 485 ; guano a 

 manure for, 318 ; mauurial con- 

 stituents in, 282 ; manuring of, 

 346, 511, 513, 514 ; Rotham- 

 sted experiments on growth of, 

 568. 



Manitoba soils, nitrogen in, at various 

 depths, 156 ; rate of nitrification 

 in, 186. 



Manure, cow, 247 ; farmyard, 223- 



292 ; horse, 243 ;' liquid, 442-444 ; 

 meaning of word, 109 ; pig, 250 ; 

 sewage, 430-441 ; sheep, 251 ; stable, 

 from peat-moss, 283 wheat-straw, 

 283. 



Manures, action of, 61 ; analysis of, 

 interpretation of, 539-544 ; appli- 

 cation of, 474-492 ; method of, 531- 

 538 ; cash prices of, 555 ; equal 

 distribution of, 531 ; functions of, 

 109 ; increase soil - fertility, 474 ; 

 intrinsic value of, 545 ; lasting 

 effects of, 483 ; methods of valuing, 

 544 ; minor artificial, 424 - 429 ; 

 mixing of, 531-538 ; nitrogenous, 



293 - 359 ; phosphatic, 359 - 417 ; 

 potassic, 418 - 423 ; quantities of, 

 applied to oats, 504 ; unexhausted, 

 549-552, 558 ; units for determining 

 commercial value of, 554 ; valuation 

 of, 539-559 ; value of, deduced from 

 experiments, 548 ; various classes 

 of, 111-114. 



Manurial constituents of various 

 foods, 282. 



Manurial ingredients, unit value of, 

 544. 



Manuring of, barley, 495-498 ; beans, 

 525-527, 530 ; cabbages, 528 ; cere- 

 als, 493-504 ; clover, 524 ; common 

 farm crops, 493-530 ; grass, 504- 

 510 ; hops, 528 ; leguminous crops, 

 522-528 ; mangels, 511, 513, 514 ; 

 oats, 493 - 504 ; peas, 527 ; pota- 

 toes, 517-522 ; roots, 510 - 517 ; 

 turnips, 510, 511, 513-517 ; wheat, 

 499-501. 



