432 



INDEX 



Liming, benefits of, 399, 400 



benefits acid soil, 338 

 Litmus tests for sour soils, 401 

 Live-stock excrements, value of, 316 

 Loams, sandy, 55 



clay, 58 



Loam soils, value of, 59, 93 

 Loams, gravelly and stony, 59 

 Loess soils, composition of, 62, 



where found, 63 

 Louisiana, rotation in, 409 

 Lupines grown for green-manuring, 

 341 



Maine, rotation in, 409 



Mains, rules for estimating size of, 

 223 



Manure, green, darkens soil, 35 

 two kinds, 829 

 horse, cow, and hog, value of, 



349 



horse, value of, 349 

 how it benefits the soil, 346 

 improve texture of the soil, 347 

 pits, 855 

 quality of, 350 

 rotted, best for lighter soils, 



360 



sheep and poultry, 850 

 spreaders, 363 



Manures and fertilisers as soil 

 cleansers, 319 



Manures, animal, value of, 316 



amount made on the farm, 



358 



excel in nitrogen, 362 

 farm, analyses of, 422 



average values of, 850 

 green feeds aid production of, 



358 



how much to use, 361 

 how to apply, 863 

 how to care for, 354 

 how wasted, 351 

 injury from heating, 353 

 loss from escape of urine, 354 

 loss from fermentation, 353 

 loss from leaching, 352 

 new theory as to action, 319, 



320 



plant food in, wasted, 352 

 spreading in winter, 360 

 trie real value of, 346 

 to estimate plant food in, 359 



Manures to prevent loss by heating, 

 356 



when to apply, 860 

 Marl, effect of, 402 

 Marshes, drainage of, 201 

 Maryland, rotation in, 409 

 Massachusetts, rotation in, 410 

 Measuring water, methods of, 262 

 Meal, cottonseed, contents of, 378 

 Mechanical vs. chemical analysis, 71 

 Michigan, rotation in, 410 

 Mineral contents of soil, 26, 28 

 Miner's inch, definition of, 263 

 Mississippi, rotation in, 410 

 Missouri, rotation in, 410 

 Modules, 263 

 Montana, rotation in, 411 

 Morains, 12 



Mosaic law as to fallowing, 296 

 Moss, sphagnum, 47 

 Mouldboard, plow, 131 

 Moving water, action of, 16 

 Muck, crops for, 62 



soils, 60 



wood ashes for, 62 

 Mulch, definition of, 91 



in dry fanning, 107 



prevents loss of soil water, 91 

 Mulches, the most effective, 91 

 Muriate of potash, contents of, 385 



value of, 385 



Native plant food in farm soils, 421 

 Nebraska, rotation in, 411 

 Nevada, rotation in, 411 

 New Hampshire, rotation in, 411 

 New Jersey, rotation in, 412 

 New Mexico, rotation in, 412 

 New York, rotation in, 412 

 Nitrate of soda, Chili salt-petre, con- 

 tents of, 378 

 Nitric acid ferment, 40 

 Nitrification of soils, 40 

 Nitro-culture, bacteria, 835 

 Nitrogen fertilisers quickly soluble, 



396 

 Nitrogen-fixing bacteria, 40 



process of, 329, 334 

 Nitrogen in soils, value of, 41 



most costly plant food, 377 



sources of, 377 



Non-leguminous plants as soil im- 

 provers, 341 

 North Carolina, rotation in, 412 



