430 



INDEX 



Kames, formation of, 45 

 Kansan glaciation, 46 

 Karraker, substances in solution 

 play little part in capillary move- 

 ment, 205 



Keewatin center of accumulation, 45 

 King, F. H., amount of soil carried, 

 Mississippi River, 35 



aspirator, 128 



computed surfaces of soil par- 

 ticles of different kinds of 

 soil, 181 



depth of mulches, 235 



difference in temperature due to 

 slope, 305 



effect of drainage on tempera- 

 ture, 224 



effect of windbreak on evapora- 

 tion, 301 



manure in surface causes rise 

 of water into upper three feet, 

 212 



movement of moisture from wet 

 to dry soil slow, 203, 204 



rain caused rise of water from 

 subsoil, 205 



sampling tube, 119 



spring discharge greater with 

 falling barometer, 219 



water evaporated with water 

 table at varied depths below 

 surface, 210 



water used per pound of dry 

 matter, 188 



weight of particles with film of 

 water, 33 



Labradorean center of accumula- 

 tion, 45 



Lacustrine soils, 37 

 Lake Agassiz, 38 

 beds, 37 

 Chicago, 38 



level floor with distinct shore 



line, 37 



filling with peat, method of, 29 

 Maumee, 38 



terraces and beaches, 37 

 Lakes, ox-bow, 28 

 Lands, alkali, 278 



value of, 290 

 preparation of, for irrigation, 



259 



surface lowered through solu- 

 tion of limestone, 24 



Lang, specific heat of soil constit- 

 uents, 299 

 Lapham, J. E. and M. H., Bureau of 



Soils, soil survey, 78-111 

 latitude, affecting organic content 



of soils, 145 

 or angle of sun's rays affecting 



soil temperature, 304 

 Lawes and Gilbert, water trans 

 pired by growing plants per pound 

 of dry matter, 188 

 Leaching of manure, factor in loss 



of organic matter, 164 

 of soil, organic matter lost bv, 



152 



nitrates lost by, 322 

 Legumes, composition of tops and 



roots, 398 



Level bench terrace, 366 

 Leverett, F., connects loess with 



lowan glaciation, 62 

 depth of drift, Illinois, 42 

 run-off for Illinois river basin, 



358 

 Light, effect of, upon soil bacteria, 



321 



' Light " soil, defined, 134 

 Liquid manure, value of, excreted 



by farm animals, 162 

 Lime, 403 



and magnesia in soils, 75 

 carbonate carried by Thames 



River, 23 



effect of, on number of bac- 

 teria, 321 

 on flocculation, 137 

 forms of, air-slaked lime, lime- 

 stone, marl, quicklime, 405 

 in prairie compared with tim- 

 ber soils, 75 

 quick-, loss of organic matter 



due to use of, 152 

 Limestone, 403 



addition of, aid in producing or- 

 ganic matter, 158 

 and rock phosphate, effect of, on 



growth of clover. 159 

 application of, aid in preventing 



erosion, 361 

 best form to apply, 406 

 boulder with glacial scratches, 



42 



calcite, 5 



composed chiefly of shells, 9 

 containing crinoid stems, 9 



